1997/03/24 Caterpillar


High Strength Screws Retain Pump And Motor Retraction Plate For Rotating Pump Groups {5431,5058,5070}

Usage:


D6H (3ZF, 4YF, 5HF, 6CF, 3YG, 4GG, 6CK, 8SK, 9KJ, 9LK, 1YL, 2TL),
D6R (7GR, 9BM, 5LN, 7KN, 9PN, 4TR),
D7H (5BF, 2RG, 3XG, 4FG),
D7R (2EN, 3DN, 6ER),
D8N (9TC, 1XJ, 5TJ, 7TK),
D8R (7XM, 9EM),
D11N (4HK),
D11R (8ZR) Track-Type Tractors;
215 (57Y, 14Z, 61Z, 95Z),
215B (9YB, 2XC, 4FC),
215C (4HG),
215D (9TF),
219 (5CF),
219D (5XG),
225 (51U, 76U, 61X),
225B (2ZD, 3YD),
225D (6RG, 2SJ) Excavators;
227 (10W) Loggers;
229 (1AG, 1GF),
229D (2LJ),
231D (5WJ, 1NK),
322 L (8CL, 8ML, 9RL),
325 L (7CJ, 7LJ, 2JK, 6KK, 8NK, 2SL, 9KL, 7LM),
330 L (6SK, 8FK, 2EL, 9ML, 5YM),
5130 (7TL, 5ZL) Excavators;
623E (5SG) Scrapers;
988F (8YG, 2ZR) Wheel Loaders

Description of Change: The retaining screws for the piston retraction plate have been changed for the rotating groups.

Higher strength Torx screws, allowing increased torque, replace the former screws to assure a better joint and prevent loosening of screws.

Adaptable To: The new Torx screws are adaptable to all models above. Refer to the illustration and chart for the rotating groups and new Torx screws.



Typical Rotating Group
(1) Retraction plate screw.

Caterpillar Information System:

1997/03/24 Exhaust Leaks Affect The 100-3055 Sensor {7601}
1997/03/24 New Brake Relay Valve With New Seal And Backup Ring Now Used To Improve Valve Operation {4280,4250}
1997/03/24 New 127-0353 Differential Bearing Cage With Thicker Flange Is Now Available {3258}
1997/03/24 Consist For Quick Coupler Group {6129}
1997/03/24 Improvements Strengthen Left And Rear Cab Handholds {7256,7301}
1997/03/24 Back-Up Rings Prevent O-Ring Seals From Pushing Out Of Control Valve Group For Dozer Lift {5051,5054,5079,5115,5123}
1997/03/17 Fan Belt Tightener Shaft Replacement Procedure Provides Grease Path to Bearings{1358}
1997/03/17 Improvements Made To Remanufactured 0R-3008 Fuel Transfer Pump{1256}
1997/03/17 VIMS Fuel Parameters Explained{7601}
1997/03/17 Setting User Access Rights For VIMS{7601}
1997/03/17 Special Instruction SEHS9824-01 Available For Cab Window Service Procedure; Provides New Adhesive Information For Improved Bonding Capabilities Under Cold Weather Conditions{7310}
1997/03/17 Lift Cylinder With Larger Diameter Bore Increases Lift Capacity{7562,5102}
1997/03/24 New VIMS Service Manual Is Available {7601}
1997/03/31 Production Improvements To Cab Rear Window {7301,7310}
1997/03/31 New Control Valve Groups For Attachments Have Stronger Valve Bodies {5054,5051}
1997/03/31 Filler Cap Assembly For Backhoe Loaders {1107,1316}
1997/03/31 Differences Between The B-Series Backhoe Loader And The C-Series Backhoe Loader Torque Converter Temperature Gauge {7477,7450}
1997/03/31 "Higher Viscosity Power Train Oil" Sticker Has Been Added To The Operation & Maintenance Manual {0645,4070}
1997/03/31 Bolt Lengths Changed In Oil Cooler Lines Group For Proper Fastening {1365,7554}
1997/03/31 New Thrust Washer Eliminates Use Of Retaining Screws In Final Drive; Eliminates Possibility Of Damage From Loose Retaining Screws {4051}
1997/03/31 Special Instructions REHS0019 And REHS0020 Available For Installation Of Differential Thrust Stops {3258}
1997/03/31 Procedure For Aligning Front Suspension Frame Group With The Output Transfer Gearbox {7200}
1997/03/31 Drum Drive Plate Wear {6605}
1997/03/31 Repair Centers For Topcon Sonic Grade/Slope Sensors Established {5645}
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