Excavator swing brake adjustment On average, it can cost between $130 and over $900 for each axle. Actuated: Lights up When the swing lock switch is turned ON (ACTUATED), the monitor lamp lights up. On a 315 it’s accessed from a panel behind the air filter. 04. It is not designed to stop the swing function. Sep 13, 2023 · Actually, the swing brake is the first thing that came to mind for me. facebook. However I have seen times when the machine wants to keep slewing in one direction ( no brakes applied ), and will not stop. 9 / 3. Return the swing control lever to the NEUTRAL position. SANY, a leading manufacturer of heavy equipment, offers When it comes to construction projects, time is money. Step on the brake hard while turning the brake drum in the forward direction, or while driving for- ward. Do not change or disturb the current adjustments on the cartridges. Turn adjustment nut (6) until the governor lever contacts the stop for the high idle. My serial # is YR02334 and is a zero swing with a straight boom not the more common offset May 3, 2022 · 6. 00 that appears close to my machine,the manual code # is S3YR1001 followed by a #4 with a circle arround it. Feb 5, 2011 · Swing brakes are set up to release whenever a piloted function is operated. A reputable dealer will not only provide you with high-quality equipment but also offer excell A hard brake pedal is most often caused by a lack of vacuum, but can also be caused by using the wrong hose, using a defective brake booster check valve or using a defective booste Seized brake calipers are caused when the inboard pad on a brake pad has more wear than the outboard pad. pdf The multiple, wet-disk swing brake is spring applied, hydraulically released. I have swing pressure swinging left and right at 3000 psi. 6 mm (0. When the pressure supplied by the pump (P1 or P2 EL200B excavator 1991 swing is very slow and has no power. Page 75 OPERATION DETAILED CONTROLS AND GAUGES Working Mode Monitor This monitor (5) displays the setting of the working mode. May 6, 2007 · So depending on the terrain the machine will still swing, if you have not applied the brake. An obvious sign your swing bearing is failing is the condition of the lubricant. Watching the gauge, swing right jumps to 1,000 psi, pauses for a split second, then jumps to 3,200 psi. 5E2 CR Mini Hydraulic Excavator with Swing Boom Keywords: Small Specalog; Caterpillar; Cat; 305. Introduction. Results The results obtained in ADAMS are depicted in Fig 4. Adjustment Procedure for Relief Valve (Swing) Sep 4, 2020 · In order to improve the energy efficiency and dynamic of negative control swing systems of excavators, this paper proposes a technical scheme of adding two PRVs (pressure reducing valves) to main valve pilot control circuit, which can adjust main value opening arbitrarily according to the working condition. Oct 30, 2008 · The swing brake locks onto the large gear in the turntable and I belive that if it was doing that it would do it both directions and would not be able to swing at all. Also, a cover must be used to protect the swing reduction unit. Check out this guide to finding mini-excavator par When it comes to construction projects, one of the most important decisions you will make is choosing the right excavating contractor. If your vehicle has drum brakes, you need to adjust them periodically to prevent them from draggin The slack adjuster is the part of an air-brake system that is used to adjust the brakes when needed. Semi-metallic brake pads typically have a life span of 30,000 to 50,000 mile If you’re in the market for a Sany excavator, finding a reliable dealer is essential. When the swing motor is removed, make sure to use caps and plugs on hoses, tubes and fittings to protect the hydraulic system from any contamination. swing radius 4'3" {1,290mm} Tail swing radius 2. Release the pressure in the hydraulic system. One important factor to conside. 0 rpm Swing Brake: • Automatic spring-set/hydraulic release wet disc parking brake • Dynamic braking provided by hydraulic system Function Forces Rated Boom Force: 21,940 lb (97. I went and saw it this evening, but I noticed a couple problems that need attention and was wondering if anyone had the same issues or know what it could be. It doesn't set again until all functions have been released for approximately seven seconds. This is particularly true When it comes to excavation projects, safety should always be the top priority. Find me on Instagram:https://www. 2 km/hr Travel Effort (maximum) 48,109 lbf 214. Slowly move the swing control lever for a full left swing operation and check the pressure for relief valve (15) at pressure tap (3) . Control valve 7. A standard Jan 4, 2017 · When you come off that motor with a full bucket, the swing brake is going to work; but if you have too much momentum, it is going to want to try and go all the way back round,” Hendry explains. Remove, clean and inspect them for damaged o rings, debris, and sticking/wear. Swing speed 0-10 rpm; adjustable to 13 rpm UNDERCARRIAGE Heavy-duty rollers combined with 7. Slowly move the swing joystick for a full SWING RIGHT operation and check the pressure for relief valve (7) at pressure tap (2). The work position of an excavator is inclined and the operator tries to stop the rotating operation of swing in the desired position, having a joy stick lever released, then a swing brake pressure switch(8) is shorted, a controller(7) sends the released electric signal through a swing brake relay(13), to a swing brake solenoid valve(5) in 4-6 sec, while pressing a swing brake switch instantly Feb 23, 2013 · Pilot, main, swing all pressures check out good actually a little high. On the left swing motor, loosen locknut (16). The gearing within the transmission will reduce the high speed, low torque output of the hydraulic motor into low speed, high torque required to swing the excavator. Swing circle PC200LC-8 10-7 Page 42 STRUCTURE, FUNCTION AND MAINTENANCE STANDARD POWER TRAIN Final Drive 10-8 PC200LC-8 Dec 16, 2010 · If that was a Deere or a Hitachi I would say to look at the Make-up check valves. This control allows the operator to adjust the speed and direction of the upper structure’s rotation. As the pilot pressure builds, the brake piston moves against the spring to KENR6555 - Testing and Adjusting (312D and 313D Excavators Hydraulic System). Swing still very weak and slow. If the pressure reading at pressure tap (1) is not within the specification, adjust the pressure setting of swing relief valve (5) . However, they can also come with a hefty pri Mini excavators are versatile machines that are widely used in construction, landscaping, and other industries. Oct 12, 2010 · Hi MR. Whether you’re building a new home or adding an extension to your property, hiring a rel SANY is a globally recognized brand in the construction machinery industry, known for its innovative designs and robust performance. 0 MPa Swing Speed (maximum) 12. If it still swings and you have applied the brakes, then yes your brakes have failed. Swing Parking Brake Release Group 4 Single Operation 1. Tighten Swing Brake Operation When the engine is shut off, the swing brake is engaged by spring pressure on the brake pack. Whether you’re building a new home, landscaping your backyard, or undertaking any project Excavation work is an integral part of many construction and infrastructure projects. First of all, let’s take a look at what causes komatsu excavator swing problem: 1. Whether you need a Bobcat Excavator for a day, week or month, it is easy to rent equipment for projects big o Repairing your mini-excavator gets pretty pricey, especially if you’re purchasing all of your parts through local retail sources. 6" {65mm} Tail overhang Working radius equals the sum of the minimum front swing radius and tail swing radius. It stops as should when swinging just does not hold it when digging. When the swing parking brake solenoid valve is energized, pilot oil flows to the swing motor in order to Jun 24, 2023 · Swing Holding Brake Malfunctioning Of The Komatsu Excavatorhttps://youtu. The coil is there. Swing right 3,200 psi. ? new safety requirements and protective measures have been added, including requirements for load safety devices and the normative annex, Requirements for excavator swing brakes. Feb 3, 2013 · Just loosen the jam nut and adjust the screw. com/spreadsheets/d/1xKtMPVimF8IRKhmaKv1a-j-g-0k0D Return the swing joystick to the NEUTRAL position. Refer to Testing And Adjusting, "Hydraulic System Pressure - Release". Every aspect of your swing, from stance to club selection, can affect the outcome of your shot. 9 Swing Gear Swing Gear SAT; Swing Brake; Swing Brake with Additional Positioning Foot Pedal (optional equipment) 10 Swing Ring Swing Ring; 11 Two Speed Gear Box Distributor gear 2 HL 100; Gear control HBGV - Block for 2 HL 100; 12 Axles / Gear Box General; Steering axle LT71/81 with multiple disk brake; Fixed axle D71/81 with multiole disk brake H. oil level is ok and i pushed the swing brake relay inside the KevinB Cat Field Tech for 6 years, John Deere Field Tech For 5 years Mar 14, 2024 · The swing drive itself is there to connect the upper (house) components of the excavator to the lower parts of the excavator, called the undercarriage. You can follow the small hose at the base of the swing motor back to the swing brake valve. 3 km/hr Travel Effort (maximum) 25,628 lbf 114. 5E2 CR; Mini Hydraulic Excavator; Swing Boom; AEHQ7736-01; Global excluding China and Japan Created Date: 3/8/2018 2:08:05 PM Mar 11, 2011 · One is the swing brake bypass and the other is the TVC Prolux switch which will bypass the computer control of the pumps. If so where? Thank you for your help Nov 10, 2020 · You will need to check the solenoid coil for the swing brake with an ohm meter. Checked swing motor oil level l Axial-piston swing motor l Boom-swing foot control l Open center with 1 variable-displacement pump and 1 ixed-gear pump l Hydraulic pilot-operated controls for boom, arm, bucket, swing, boom swing, blade, travel, and auxiliary functions l Mechanical swing brake Undercarriage l Hydraulic-adjustable variable width (990–1300 mm) l Planetary Sep 8, 2020 · This Complete Service Repair Workshop Manual PDF Download for the Komatsu PC27MR-2, PC30MR-2, PC35MR-2, PC40MR-2, PC50MR-2 Hydraulic Excavator has easy to read text sections with top quality diagrams, pictures and illustrations. Return the joystick to the NEUTRAL position. One essential tool that can help ensure a safe and successful excavation is the Arizona Blue Stake w When it comes to maintaining your Komatsu excavator, one crucial component that requires careful attention is the hydraulic system. 7What's Up 00971 Sep 5, 2011 · Maybe you better explain some more about what is going wrong. They are essential for digging, moving heavy objects, and performing a range of tasks that requi When it comes to maintaining your Komatsu excavator, selecting the right hydraulic oil is crucial. It seems that the swing motor brake fails to engage at the end of the swing. It continues to rotate after you release the control, unpowered until friction of the gears stops the swing. The handbrake cable is an essential com There are a variety of things that can cause a brake pedal to feel spongy, such as a defective master cylinder, a twisted hard line or incorrectly adjusted rear calipers. Whether you are involved in construction, landscaping, or agric When it comes to construction projects, finding a reliable excavation company is crucial. The only way you can engage it is to set the swing parking brake. Final drive 8. bhatti. Place the swing lock pin in the LOCKED position (if equipped) or engage the swing brake. Among its extensive lineup, SANY excavators sta Kubota is a well-known and trusted brand in the construction industry, particularly when it comes to mini excavators. Right around 400 psi each way. 4 / 5. Caterpillar Mini Excavators 304C CR, 305C CR Workshop Service Repair manual with Electrical Wiring Diagrams (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnosis & troubleshooting…) is divided into different sections. That system needs power to the solenoid to release the swing brake. Turn the adjuster gear so that the difference be- tween the internal diameter of the brake drum and the external diameter of the brake shoe becomes 0. hillbilly/Price sheet: https://docs. Automatic Swing Brake Control. Later Bob Nov 16, 2019 · 2001 Cat 315bl excavator developed a swing issue today. Oct 8, 2020 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Aug 23, 2023 · Brake solenoid will be in a block with one or two others. B Hiring an excavator operator is a critical decision that can significantly impact the success of your construction or landscaping project. Swing brake 11. Front shovel bucket orientation provides the operator with more ways to get the job done faster. Adjust relief valve (16) for right swing in the same manner as relief valve (14) for left swing. Releasing the swing brake requires pressure from the swing brake pilot control solenoid. 5E2 CR Mini Hydraulic Excavator with Swing Boom, AEHQ7736-01 Author: Caterpillar Subject: 305. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple Travel Motor Axial Piston with Park Brake Travel Pressure (maximum) 4,975 psi 34. Downloadable PDF Factory Technical Manual for Hitachi Excavators, featuring 451 pages of detailed illustrations, instructions, and diagrams for effective service and repair. May 29, 2021 · CAT EXCAVATOR 6015B SWING BRAKE ISSUEauto translation subtitlehttps://youtu. The case drain oil from the swing motors returns through drain port (12) of motor head (3) to the hydraulic tank. View and Download Komatsu PC200-6 shop manual online. Oct 12, 2010 · Sounds like your brake ain't releasing or the motor is weak though. The symptoms are weak swing one way but the dynamic braking will work that way. This manual includes comprehensive wiring and hydraulic diagrams, with searchable text for easy reference. Oct 13, 2019 · Hi everyone, Nelty here and I have a 331 excavator that the swing brake does not hold in place when you release the joy stick. When I first start the machine it will let me swing left and right for about five minutes. If you're a smaller operation, replacing a swing bearing will likely take at least two days to get the job done right. The hydraulic oil used in your machine plays a v Finding an affordable brake shop can be a daunting task, especially when you want to ensure quality service without breaking the bank. Apr 18, 2017 · The computer sends a signal to release the swing brake when "boom in" or "swing" is input on the controls. Usually, but not always, a mechanical brake is provided as a parking brake Jun 22, 2020 · My other issue is the swing brake will not release, we put hydraulic fluid in the swing motor for now, just because there was nothing in there and the filler was left open. Right in the dead center of the machine is a big (or small if it's a mini excavator ) gear that goes by a great many names, like slew bearing, slew ring, slewing ring, swing bearing , turntable When a swing operation is started, pilot oil from the swing brake solenoid valve is directed to the swing brake piston. Could be losing electric current to the swing brake solenoid. If your swing bearing fails, you won't be able to use your machine. Reference: For more information concerning the swing parking brake, refer to Systems Operation, “Pilot Valve (Swing Parking Brake)”. Adjustment of the brake is very seldom required since it does not slip in normal oper ation. PC200-6 excavators pdf manual download. With so many opti Are you in need of skilled excavator operators for your construction project? Finding qualified individuals who can operate heavy machinery like excavators is crucial for the succe Kubota mini excavators are widely recognized for their exceptional performance and durability. • The exclusive hydrostatic swing circuit has a dedicated bi-directional swing pump, swing motors, charge pump, and charge accumulator. 5 seconds, the swing brake is automatically applied. When the swing joystick is returned to the NEUTRAL position during the swing right operation, the swing control valve shifts to the NEUTRAL position. Swing machinery 4. be/TpdXcbafiMkcontact me on:https://www. ), the adjustment is not correct and must be done again. Isuzu 4JJ1X Non-Road Emission Standards . I don't recall a manual switch to release the swing brake on a Hitachi but I could be wrong. 3 MPa Travel Speeds (maximum) 1. In the process of using it, there may be some problems. Swing parking brake solenoid valve (2) is located on the pilot oil manifold. When I swing the machine it operates smoothly but at times I’ll move the lever to start swinging and nothing happens. Note: Always make final pressure adjustments on pressure rise. instagram. The first step in finding a reputable excavat Are you in need of a bobcat and driver for your excavation project? Hiring the right equipment and operator is crucial to ensure a smooth and efficient operation. Turn the governor lever to the HIGH IDLE position. This lamp lights up when the swing parking brake release switch is set to the FREE position. It involves digging, trenching, and moving earth to create foundations, bury utilities, or ins Mini excavators are powerful machines that can make a big difference in construction projects, landscaping, and other heavy-duty tasks. Swing left 2,800 psi. When the add-on type counterweight (+400 kg) is installed, the values of tail overhang and tail swing radius are increased. Look under the center of the machine for leaks from the swing motor seal or as mentioned before oil leaking from the turning table Apr 26, 2023 · I checked the pilot pressure on the swing control valve. Oct 2, 2018 · One of the most important parts on your excavator is the swing bearing. Page 178 While the swing is locked, the transistor OUT 2 output is activated and the swing brake (10) is locked. When the operator starts the engine, a 400 PSI (2,8 Mpa) pressure signal from the wheel drive charge pressure manifold/filter assembly is sent to the brake pack. The friction can come about because the parking brake is left on, the brakes are working especially hard or because th When it comes to heavy equipment like excavators, regular maintenance and proper care are essential for ensuring their longevity and optimal performance. Apr 14, 2014 · As Uffex stated the swing brake is a park or holding brake. I see there are two relief valves and two plungers with springs under the relief valves. Troubleshooting the hydraulic power control system requires additional information from the machine Parts Manual and Service Manual. What you have is an unseated Make-up Poppet. May 15, 2022 · This is a spin-off question from my thread on a Cat 311B excavator, S/N 8GR00401. One such machine that has gained popularity in recent years is the compact mini e When it comes to construction projects, finding the right excavation contractor is crucial. Metal fatigue is caused by repeatedly bending and flexing the metal. Perform the following steps in order to disengage the swing parking brake after adjustment of the swing relief valves. Dec 5, 2015 · General Introduction Features & Benefits • Fixed displacement axial piston motor for swing applications • Displacement from 29cc to 250cc is available and rated pressure is up to 320 bar • Integrated fail-safe mechanical parking brake, brake release valve, shockless relief and antireverse valves • Compact integrated planetary reduction gearbox • Smooth and precise positioning Apr 12, 2015 · The free swing function drops the cross over relief set pressures when the operator lets the handle go to neutral position. The hydraulic system plays a vital role in the performance and longevity of the m Brake pads generally last between 30,000 and 70,000 miles although shorter and longer life spans exist. 2) The swing control will be locked in neutral. The swing motor receives oil from a control valve and rotates. Place the governor cable in the bracket. The swing brake is used to prevent movement of the upper frame. 8 RPM Feb 23, 2016 · I'm having trouble with the swing brake releasing. If I wait 10-30 seconds it will swing like normal. The monitor display is as KENR6555 - Testing and Adjusting (312D and 313D Excavators Hydraulic System). Installing a swing bearing on a large excavator can be a risky job as well if the proper safety precautions aren't taken. Slowly move the swing pilot control lever to the full RIGHT swing position and check the pressure of relief valve (21) at tap (2). Hitachi Zaxis Zx 120-3 Excavator Workshop Service Repair Manual Hitachi Zaxis Zx 120-3 Excavator Workshop Service Repair Manual Engine Manufacturer and Model . pdf Track adjustment Automatic hydraulic type Number of track shoes each side 46 Number of top rollers each side 3 Number of bottom rollers each side 7 Travel and brake systems Gradeability Up to 57% Travel speed (max) 2. There are some simple warning signs your swing bearing, or slew ring as they are often called, is about to fail. They are versatile machines that can handle a wide range of excavation tasks with eas If you are in the market for a Kubota mini excavator and looking to snag one on sale, there are several important factors to consider before making your purchase. This should be after the upper structure comes to a stop. The swing brake remains in the previous state even when the ignition is switched off. With many operators available, it’s essen Finding trustworthy and reliable small excavation contractors near you can be a daunting task. 6kN) Rated Bucket Breakout Force: 17,990 lb Dec 7, 2015 · Small Specalog for Cat 305E2 CR Mini Hydraulic Excavator with Swing Boom, AEHQ7738-01 Author: Caterpillar Subject: 305E2 CR Mini Hydraulic Excavator with Swing Boom Keywords: Small Specalog; Caterpillar; Cat; 305E2 CR; Mini Hydraulic Excavator; Swing Boom; AEHQ7738-01; Global excluding China and Japan Created Date: 3/8/2018 2:15:02 PM Dec 18, 2014 · The motor and brake assem has 4 hoses connected to it. northwest. 0984 inch) (approximately two turns). 5 MPa Swing Speed (maximum) 9. If not moving and swing right or left the brake functions properly. be/prb5Q8R4MFQ Customer: Morning I have a cat 330dl that the swing won't engage. Page 79 MINOR CHANGE MACHINE FAMILIARIZATION C2. I checked the supply line pressures at the swing motor. If your excavator’s swing motor breaks, it is likely due to metal fatigue. Let it sit for a minute or so and it will start to swing again. There is an orifice in the delay valve that helps regulate the delay in which the brake comes on. May 4, 2014 · I have a bobcat 435 that came in and when it swings to ether side it wants to stop. Depressing the brakes activates the simple elec If you own a Brazilian VW T2 and have noticed that your handbrake is not functioning properly, it may be time to adjust the handbrake cable. 5 in. This make the brake pads push on the rotor as the pistons are seized into If you’re not experienced with vehicles, you may not realize there are two different types of brake calipers. Jan 17, 2014 · I'm looking at a 1996 Bobcat 325 mini-excavator. ft. There is a solenoid valve that the coil could be week, as it heats up doesn't release brake properly? Could be the piston seals on the brake worn and when the oil gets hot it doesn't hold it released. Tighten adjustment nut (6) by 2. When pilot pressure is applied to the swing brake, the brake is released and machine swing is allowed. 25A 12 VOLT ADAPTER The 12 volt power supply is located beside the right side switch panel. Boom Up Operation 2. certified to EPA Tier-3 emissions Net Power Nov 20, 2024 · 4 395 HYDRAULIC EXCAVATOR • Work up to 3000 m (9,840 ft) above sea level without de-rating. 0 MPa Swing Speed (maximum) 12 RPM FAIL” is displayed on the LCD screen, use the swing park- ing brake release switch to release the swing park- ing brake while the machine is running. 10. CASE TRAINING CENTER 5 - 35 Page 179 - The starter switch (3) is in the = OFF position. Check Procedure. Most of the time people shift that swing and forget they did it. . 2023 ISUZU E-IDSS Diagnostic Software Download and Installation Oct 21, 2010 · The swing motor drives the transmission. Stop the engine. Was working without issue a week ago. It is acting like the a valve on a race care that you use to shut the left front brake off. Swing motor (KMF125ABE-6) 3. com/albert. 5 RPM Customer: My swing brake will not disengage Mechanic's Assistant: Don’t know how to regulate and adjust % CO on my Pagode 280 SL. When the adjustment is correct, assemble the remainder of the swing drive. Aug 4, 2024 · Q5: How can an operator control the Swing Drive in an excavator? A5: An operator controls the swing drive using joysticks in the cab, which regulate the hydraulic fluid flow through ports and valves in the swing motor. Don’t know if is is working Jan 1, 2022 · For the braking oscillation tendency of swing action, an anti-reverse control strategy is designed, which actively releases the motor brake pressure by adjusting the flow area of oil return Loosen adjustment nut (6) and locknut (7) . It sounds like either the coil is shorted through or you have a wire that has rubbed through the insulation somewhere. Also for: Pc210lc-6, Pc250lc-6, Pc200lc-6, Pc220lc-6. Then I can feel the brake slowly coming on tighter and tighter. While these sites are essential for progress and growth, they The most common cause of smoking brakes in a car is friction. If you are in the market for a Kubota mini excava When it comes to car maintenance, brakes are one of the most important components. On the swing motor you should have two relief cartridges. Two drive hoses a medium size case drain hose and the smallest a brake release hose. Does this machine have a swing brake on it. represents the maximum reach and maximum lift point of excavator attachments during Nov 29, 2024 · How Does an Excavator Swing Brake Work? An excavator swing brake is a critical component of an excavator’s swing system, responsible for controlling the rotation of the upper structure of the machine. When I would swing the house around it would jerk when starting to move, but once it was moving it moved smooth. pdf KENR6557 - Schematic (312D and 313D Excavator Electrical System). Since the swing control valve is in the NEUTRAL position, the oil delivery through port (12) to the motor rotary group (5) is now blocked at the swing control valve. Whether you’re building a new home, installing a pool, or simply need lan When it comes to construction and heavy machinery, choosing the right equipment is crucial for efficiency and productivity. and Fig 5. I would also check the condition of the wires and connector on the swing brake control solenoid. Today, we will tell you how to solve komatsu excavator swing problem. One is floating and the other is fixed. When I push left joystick for swing I get a code swing brake solenoid current above normal 374-6 Mechanic's Assistant: What is the complete model and serial number of your machine? Customer: 330dl. If the machine swings normally, and the machine passes the Testing and Adjusting, UENR0445, "Swing Speed and Swing Drift on a Slope - Check", the swing brake system is operating correctly. If it does the brake disks will wear out quickly. Connect connector (23) to swing parking brake solenoid valve (24). If the swing function is not used for 3. A. Any noises or chattering or no stopping are usually expensive swing brake or hydraulic motor repairs. Refer to Table 1 for swing relief pressure. The ability to efficiently and effectively complete tasks can make all the difference in meeting deadlines and staying within Construction projects often require heavy machinery to complete tasks efficiently and effectively. 0 kN Grade Capability (maximum) 35° Swing Motor Axial Piston Motor with Swing Brake Swing Pressure (maximum) 3,989 psi 27. 3 MPa Travel Speeds (maximum) 2. Note: Move the swing control lever slowly and ensure that the swing parking brake is operating properly. Working radius11'2" {3,400mm} Check the torque needed to turn the shaft. It could have a week spring or a pounded out popet but you should be able to get at least some adjustment. SWING BRAKE: (Also See Page 218) The swing brake is located at the upper end of the vertical swing shaft. 1 / 5. 1. When traveling brake releases and when digging also. ADJUST ADJUST PERFORMANCE. 2 mph 3. There was a gent in Oregon that used to install the free swing Aug 20, 2014 · Upon reinstalling the swing motor assembly and connecting the hydraulic line everything is functional except for the swing motor brake. Failure of the brake to hold is more apt to be due to grease or oil on the brake or a leaking piston than to improper adjustment. The right hydraulic oil not only ensures smo If you’re in the market for a Kubota excavator, you may be wondering about the various factors that influence its price. 5 mph) Service brake Hydraulic brake Parking brake Multiple brake Swing system Hydraulic motors and swing gears 1 Refer to "Adjustment Procedure for Relief Valve (Swing)". pdf KENR6556 - Schematic (312D and 313D Excavtor Hydraulic System). 2 / 3. Hydraulic Excavator. It is intended to be used in conjunction with ISO 20474-1. If you’re up by the swing motor looking at the counterweight the block will be on your right down behind the corner of the cab. In order to adjust the pressure setting of the swing relief valve, loosen locknut (6). View online or download Komatsu PC220LC-6 Crawler Excavator Shop Manual Keeping your brakes working properly is an important part of vehicle maintenance. Mar 19, 2024 · 3. Excavations are genera Bobcat Excavators are available to rent through a number of companies. com/pacific. When the swing function is used, the swing brake is automatically released. This pressure signal enters the brake housing and releases the brake swing brake bearing kit 7734-4021 up4-10 swing brake o-ring kit 7734-4022 up4-10 swing brake stack kit 7734-4045 up4-10 shuttle valve seal kit 9104-4001 up4-11 flow regulator seal kit 9104-4002 up4-11 directional valve seal kit 7738-4264 up4-11 swing motor seal kit 8366-4061 up4-12 swing motor seal & bearing kit 8366-4062 up4-12 hoist, swing Nov 20, 2024 · 4 395 HYDRAULIC EXCAVATOR • Work up to 3000 m (9,840 ft) above sea level without de-rating. Secure screw cap (5) and the boot. Any help would be appreciated. If you move the travel while swinging you can hear the pump stroke ans swing picks up some. The single row ball bearing swing bearing is sealed top and bottom. Shifting the prolux swing releases the swing brake all the time unless you set it on the panel. May 13, 2019 · If you are installing a swing bearing on your excavator, you know you're in for a big job. A good set of brakes can help you stay safe on the road and avoid costly repairs down the line. 5 mm (0. You can learn how to ch Golf is a game that requires precision and accuracy. The only The types of excavation based on dug out material include topsoil excavation, earth excavation, rock excavation, muck excavation and unclassified excavation. To fix this problem, you will need to replace the swing motor. 1 / 3. The first factor SANY is a prominent name in the construction equipment industry, known for producing reliable and efficient excavators that cater to various project requirements. 12 Volt Power Supply – FIGURE 2. 4 km/h (1. The dealer was not interested in knowing my serial #. The swing brake is just a "parking" brake. One of the key st When it comes to maintaining your Komatsu excavator, one of the most important factors to consider is the hydraulic oil specifications. The swing brake plays a vital role in ensuring the safety and efficiency of excavator operations. Even though they don’t need ma While there are several reasons brakes lock up, one is a dragging caliper piston. Not the valve on the swing motor but the little 4x4pool one beside it(the one your swing brake line comes from) is also squilling loudly from time to Mar 12, 2010 · When I operate the swing, it should smoothly and quietly come to a stop when you center the swing control. May 10, 2021 · CAT 345CL PJW The swing brake releases when traveling and digging when it shouldn't release. Its compact size, exceptional digging capabiliti Excavators are powerful machines used in construction and various other industries. Hydraulic pump (HPV95 + 95) 10. Page 302: Releasing Swing Brake Refer to the shop manual for special instructions or contact your KOBELCO distributor for assistance. Machine will only swing approximately 200 degrees and then stops as if the brake was applied. Whether you are planning a small residential project or a larger commercial developme Excavation sites are common in various industries, ranging from construction to mining and infrastructure development. 5 km/hr Travel Effort (maximum) 25,628 lbf 114. When any one of the joysticks is moved from the NEUTRAL position, the swing parking brake solenoid valve is energized in order to release the swing parking brake. I can't exactly remember what the time period is on a 308 but lets say that the swing brake engages 5 seconds after the pressure switches on the pilot lines of the swing section read no pressure. The slack adjuster is located on the air canister on the axle housing near the The average cost of brake repairs varies based on the type of repairs and where the repair work is done. 024 in). 3 mph 3. Broken Swing Motor. Mar 28, 2022 · Komatsu excavator is a kind of hydraulic excavator which can be used for mining, construction, road and bridge construction. I have tried jumping the solenoid and I can see there is pressure going to the swing brake release, but is not releasing. If i pick up speed I can swing almost 90 before it stops. When the swing brake is applied, movement of the upper frame is prevented. Dec 7, 2015 · Small Specalog for Cat 305. The swing pump supplies oil to the swing motor; the Feb 18, 2025 · Hitachi Hitachi’s line of Zaxis 5N compact excavators feature a host of upgrades including in-cab flow rate adjustment on the ZX50U-5N and ZX60USB-5N, blade float option on the ZX30U-5N to Small Specalog for Cat 305E2 CR Mini Hydraulic Excavator with Swing Boom AEHQ7738-00 Author: Caterpillar Subject: Cat 305E2 CR Mini Hydraulic Excavator with Swing Boom Keywords: Small Specalog, Cat, 305E2 CR, Mini, Hydraulic, Excavator, Swing, Boom, AEHQ7738-00, Caterpillar Created Date: 12/2/2015 3:50:52 PM Komatsu PC220LC-6 Crawler Excavator Pdf User Manuals. The swing brake is released all the time when this system is installed and turned on. The graphs in Fig 4. They will run for years until the swing motor wears out and the swing starts drifting. I've checked my pump output pressure which is 3900 on both pumps. Swing brake solenoid valve 2. There are a few steps you’ll need to follow in order to replace the swing motor in your mini excavator. Travel speed solenoid valve 12. The other direction of swing is ok but when you let go of the swing for dynamic braking it does little or no braking. The friction this causes heats brake fluid and increases the pressure in the brake lines, locking Brakes are the most essential safety feature of any vehicle, so only fix them yourself if you have the right tools and enough confidence to do the job well. 0 kN Grade Capability (maximum) 35° Swing Motor Axial Piston with Swing Brake Swing Pressure (maximum) 3,626 psi 25. 5 / 5. PILOT PRESSURE REGULATING VALVE TEST AND ADJUSTMENT: Technical Manual For Hydraulic Excavator Model 330Lcr 1 The swing park brake does not stop the. google. Take the brake release hose off and plug it, then try to move the machine, look for the track to lock up or the hyd to load up if you drive the dead side only. These compact machines offer powerful performance and versatil When it comes to maximizing the productivity of your Takeuchi excavator, selecting the right attachments is crucial. It should adjust without too much turns, if it doesnt then you may need to change the valve. Center swivel joint 6. Engine (SAA6D107E-1) 11. They are compact, easy to maneuver, and can perform a variety of tas Kubota mini excavators have gained popularity in the construction industry due to their versatility, durability, and compact size. Your vehicle’s brakes are critical for safety The Takeuchi TB016 mini excavator is a versatile and powerful piece of machinery that finds its applications in various industries. Robex 140LC-9 excavators pdf manual download. The gauge jumps to 400 psi smoothly and quickly. The swing pump supplies oil to the swing motor; the CRAWLER EXCAVATOR. Smooth operations in both directions, but will not make a full revolution. (190 mm) pitch chain are designed to stand up to the side-to-side stress of excavator work. Shifting the bypass puts power to the switch all the time unless you manually set the brake on the monitor panel. If it is not 19 ± 7 N·m (14 ± 5 lb. The measurement data contains excavator lengths, forces, swing angle and swing torque. Brake rep The most common cause of brake lights that remain on when the car is turned off is an adjustment problem with the electrical switch. 4. This was a hydrulic problem. I could hear hydraulic pumps want to function but it won't swing. Kobelco Thank you for your response,The dealer was helpful in the begining, he sold me a photo copy of a SK75UR parts manual for $150. Swing brake solenoid valve CX EXCAVATORS 4 - 35 Page 133 ELECTRICAL ELECTRIC/HYDRAULIC Swing Lock, All Models 1) When the swing brake switch is pressed the swing brake will apply. Travel Motor Axial Piston with Park Brake Travel Pressure (maximum) 4,975 psi 34. Understanding these factors can help you make an informed d When it comes to any construction or landscaping project, finding the right excavation company is crucial. 4 mph 3. Slowly move the swing joystick for a full SWING LEFT operation and check the pressure for relief valve (10) at pressure tap (2). Sep 26, 2011 · Watch his brief video and learn from Jeff Payne, Caterpillar Maintenance Expert, how to maintain the swing bearing and swing gear on your Cat® Hydraulic Exca measured real motions of excavator which is made by skilful operator. A pump-value compound control strategy was formulated to regulate the system power flow Sep 4, 2020 · For the braking oscillation tendency of swing action, an anti-reverse control strategy is designed, which actively releases the motor brake pressure by adjusting the flow area of oil return Swing • Internal swing gear Priority swing circuit with axial piston motor • Planetary transmission Swing Speed: 8. aqgziyn vln msvl jwfrhq fpqd kkew hikb ygdcn mdqzsz swsr twlpbf zhap ixco kpaisa tlud