1999/07/12 Caterpillar


New Service Parts For Fully Hydraulic Brake System Provide Improved Serviceability {4263}

Usage:


914G (7ZM600-Up, 9WM1299-Up) Wheel Loaders;
IT14G (8ZM500-Up, 1WN899-Up) Integrated Toolcarriers

Reference: Service Magazine, SEPD0470; May 3, 1999; Page 30; "Fully Hydraulic Brake System Now Standard Production".

The 160-0496 Accumulator Service Kit is now available as a service replacement part for the 149-5533 Brake Accumulator Group. The 149-5533 Brake Accumulator Group is a part of the 148-2578 Brake Accumulator & Mounting Group.

In addition, the 117-7800 Service Kit for the accumulator has been replaced by a new service repair kit. The effective part numbers for the 149-5533 Brake Accumulator Group are provided in Table 1.

NOTE: This information is applicable to 914G and IT14G machines, with effectivity as identified above.


Illustration 1.
The 149-5533 Brake Accumulator Group.

(1) 030-9613 Screw
(2) 1J-9671 O-Ring Seal
(3) 069-2535 Gas Valve
(4) 069-2536 Gas Valve Protector

Caterpillar Information System:

1999/07/12 New Bracket Assembly Improves Service Life Of Governor Control {1908}
1999/07/12 Flywheel Ring Gear Is Serviceable {1158}
1999/07/12 Oil Carryover Prevention {1317}
1999/07/12 A More Durable Alternator Mounting Configuration Is Now Available {1405}
1999/07/12 Stainless Steel Pin Available For Parking Brake Groups {4267}
1999/07/12 New Body Mounted Mud Guard Group Available {4220}
1999/07/12 New Joint For Transmission Oil Cooler Lines {1375,3154}
1999/07/12 New Engine Electronic Control Groups (Personality Modules) Available {1902}
1999/07/12 Correction To Certain Off-Highway Truck Service Manual Modules {0374,7521}
1999/07/12 Proper Cylinder Eye And Rod Eye Diameters Ensure Bearing Retention In Suspension Cylinders {7213}
1999/07/12 Improved Quick Coupler For Backhoe Loaders Provides Better Vertical Digging {6129}
1999/07/12 Supplement To Correct Power Train D&A On Assemble Final Drives {4050}
1999/07/12 New Tool Box Latch Provides Easier Use And Increased Reliability {7259}
1999/07/12 Hydraulic Cylinder Seal Kit Information Is Now On Line {0376,7555,7562}
1999/07/19 Reporting Incidents Through the Cat Neutral Net {0337}
1999/07/19 Specifications For 146-3503 Electric Starter Motor {1453}
1999/07/19 Improved Mountings For Air Dryer On Fuel Tanks {1273,4285}
1999/07/19 Corrections To 769D, 771D, 773D, And 775D Off-Highway Truck Service Manuals {0374}
1999/07/19 Thrust Buttons For Planetary End Housing Assembly Salvage Now Available {3150,3169}
1999/07/19 Dimensions For Re-Manufacture Of Brake Disc And Rotor {4457,4255}
1999/07/19 Caterpillar Electronic Technician (ET) Version 2.4 Improves The Software FLASH Process For Engine Electronic Control Measures {0785,7610}
1999/07/19 Front Crankshaft Seal Is Now Serviceable {1160}
1999/07/26 Improved Hydraulic Coupler Retrofit Instructions{6129,5057,5051}
1999/07/26 Improved Water Separator Group Used{1258,1260,1263}
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