An Improved Coupler Cylinder for Pin Grabber Is Now Used on Certain Excavators {5133}
- Excavator
- 329F (S/N: ERL1-99999)
- 335F (S/N: KNE1-99999)
- 336D (S/N: W3K1-99999)
- 336E (S/N: RZA1-99999; FJH1-99999; YEP1-99999; BZY1-99999)
- 336F (S/N: TZA1-99999; RKB1-99999; SSN1-99999; LTP1-99999; DFY1-99999)
- 349F (S/N: BZ21-99999; HPD1-99999)
- 335F (S/N: KNE1-99999)
- Work Tool
- QUICK COUPLER (S/N: CL21-99999; CP21-99999; HB21-99999; CL31-99999; HB31-99999; PG31-99999; CL41-99999; NC41-99999; PG41-99999; CL51-99999; HB51-99999; PG51-99999; PG61-99999; HB71-99999; HB91-99999; PGX1-99999)
Reference: Disassembly and Assembly, UENR3525, "Hydraulic Cylinder - Remove and Install"
Description Of Change: An improved coupler cylinder design has been put into production.
Cylinder design has been changed to increase the distance between ball plug and port configuration location relative with the manifold to cylinder weld joint heat affect zone. The improved design provides better seal against oil leaks.
Adaptable To: The following changes are adaptable to the products within the listed serial numbers.
Show/hide table
| |
| Illustration 1 | g06135714 |
|
(A) Ball plug port | |
Show/hide table
| |
| Illustration 2 | g06131453 |
|
(B) Improved cylinder design incorporates a chamfer on the manifold | |
Caterpillar Information System:
980M Tier 4 and 982M Tier 4 Wheel Loader Engine Supplement Water Pump - Remove and Install
PM820, PM822, and PM825 Cold Planer Machine Systems Rotor Drive Clutch - Remove and Install
C7.1 Engines and Generator Sets Valve Lash Is Excessive
C7.1 Engines and Generator Sets Power Is Intermittently Low or Power Cutout Is Intermittent
C7.1 Engines and Generator Sets Oil Pressure Is Low
C7.1 Engines and Generator Sets Oil Contains Fuel
994K Wheel Loader Machine Systems Cab - Remove and Install
C7.1 Engines and Generator Sets Oil Contains Coolant
980L Tier 3 Wheel Loader Machine System Lift Cylinder - Remove and Install
980L Tier 3 Wheel Loader Machine System Tilt Lever and Tilt Link - Remove and Install
C7.1 Engines and Generator Sets Oil Consumption Is Excessive
793D Off-Highway Truck Power Train Torque Converter
A New Procedure to Install the Front Axle Grease Line Protective Cover Is Now Available on Certain C & C2 Series Articulated Trucks {0679, 3013, 3278, 3282, 7150, 7450, 7510, 795C} A New Procedure to Install the Front Axle Grease Line Protective Cover Is Now Available on Certain C & C2 Series Articulated Trucks {0679, 3013, 3278, 3282, 7150, 7450, 7510, 795C}
XT6 ES Hose Replacement Procedure on Certain Asphalt Compactors {5057} XT6 ES Hose Replacement Procedure on Certain Asphalt Compactors {5057}
Replacing the Implement Pump on Certain Compact Track Loaders, Multi Terrain Loaders, and Skid Steer Loaders {3203, 5070, 5073} Replacing the Implement Pump on Certain Compact Track Loaders, Multi Terrain Loaders, and Skid Steer Loaders {3203, 5070, 5073}
Rework Procedure to Install the Counterweight and Treat the Subframe Weld on the C-Series Knuckleboom Loaders {0679, 4150, 7050, 7051, 7056} Rework Procedure to Install the Counterweight and Treat the Subframe Weld on the C-Series Knuckleboom Loaders {0679, 4150, 7050, 7051, 7056}
Check the Tilt Lever on R3000H Load Haul Dump Machines {6107} Check the Tilt Lever on R3000H Load Haul Dump Machines {6107}
Check the Hydraulic Tank Baffle on Certain Load Haul Dump Machines {5056} Check the Hydraulic Tank Baffle on Certain Load Haul Dump Machines {5056}
990K Wheel Loader Systems Steering Control Support
980L Tier 3 Wheel Loader Machine System Window Wiper and Wiper Motor (Front) - Remove and Install
980L Tier 3 Wheel Loader Machine System Window Wiper and Wiper Motor (Rear) - Remove and Install
980L Tier 3 Wheel Loader Machine System Seat - Remove and Install
Improved Modular Handle (Hoist) Is Now Used on Certain Large Off-Highway Trucks {3065, 5000, 5063, 5705} Improved Modular Handle (Hoist) Is Now Used on Certain Large Off-Highway Trucks {3065, 5000, 5063, 5705}
Procedure for Installing a Locking Set Screw into the Shift Handle on Certain Off-Highway Trucks {5063, 5705} Procedure for Installing a Locking Set Screw into the Shift Handle on Certain Off-Highway Trucks {5063, 5705}