Final Drive Screen Assembly For Large Off-Highway Trucks Has Been Removed {4208,4051,4050}
Usage:
785B (6HK),
789B (7EK),
793C (4AR) Off-Highway Trucks
Description of Change: The 116-1992, 115-2443 and 116-1303 Screen Assemblies have been removed from the final drive groups on 785B, 789B and 793C Off-Highway Trucks. Removal of the screen assemblies will decrease restriction and allow final drive oil to return to the differential faster.
Adaptable To: Effective with 785B (6HK880), 789B (7EK665), 793C (4AR299) Off-Highway Trucks and is adaptable to all earlier models.
Screen Assemblies have been removed from 0R-9046 (15057), 0R-9049 (15057), 0R-9040 (14954) and 0R-9034 (14947) Wheel Arrangements.
Caterpillar Information System:
1998/03/30 New Custom Product Support Literature Is Available For 793C Trucks Equipped With 3Z-6278 Towing Bumper {0374,7156}
1998/03/30 Use 1U-9003 Brake Piston Puller For Disassembly And Assembly Of Hydraulic Brake Caliper Group {4256}
1998/03/30 Use FT2546 Preload Tool To Adjust Pinion Bearing Preload {3254}
1998/03/30 New Seat Air Suspension Increases Operator Comfort And Service Life {7300,7312,7318,7321,7324}
1998/03/30 Procedure To Install Rear Axle On Certain Off-Highway Trucks Has Been Changed {3278,4208}
1998/03/30 Use 133-8877 Field Service Tool Group For Routine Maintenance And Adjustment Operations {7500}
1998/03/30 Correction To Proper Assembly Of Elbow And O-Ring Seal For The Piston Pump Group {5055}
1998/03/30 Paint Color Changes Summarized {7581,7559}
1998/03/23 Replacements Products Available For 4C-4079 Brake And Component Cleaner{0680}
1998/03/23 Use 143-6092 Pressure Meter To Measure Differential, Static, And Peak Pressures In Hydraulic Systems{3000,4100,4112,4351,5050,5070,5450,5454,0727}
1998/03/23 Replacement Available For 7M-7260 Liquid Gasket{0648,0649,0651}
1998/03/23 Use 142-5055 Insulation Tester Group To Measure And Check Insulation Resistance{4450,0785}
1998/03/30 Use FT2461 Pressing Bar, FT2462 Pressing Tube, FT2463 Ring, FT2464 Plate, FT2465 Plate, FT2466 Mounting Plate, And FT2467 Rotating Plate To Disassemble And Assemble Variable Speed Fan Clutch {1359}
1998/03/30 Improved Drive Shaft Group Increases Service Life {3250,3000,3253}
1998/03/30 New Seat Suspension Increases Operator Comfort And Service Life {7312,7321,7318,7324}
1998/03/30 Use 125-5723 Socket Wrench Assembly For Removal And Installation Of Stake-Type Differential Pinion Shaft Nut {3254}
1998/03/30 New Seat Air Suspension Increases Operator Comfort And Service Life {7300,7312,7318,7321,7324}
1998/03/30 Proper Welding Procedures Are Necessary To Avoid Damage To Electronic Controls {0351}
1998/03/30 Retaining Compound Now Used On Tow Point Bushings {0649}
1998/03/30 Use 7X-1703 Adapter Group For Mounting 7X-1700 Communication Adapter On 8T-8697 ECAP {1900,0781}
1998/03/30 Use 9U-6803 Tester For Hydraulic Cylinders {7562}
1998/03/30 Use 137-2700 Bore Welding Group (110V), 138-8215 Bore Welding Group (110V With Auto-Skip), 138-8212 Bore Welding Group (220V) And 138-8213 Bore Welding Group (220V With Auto-Skip) For Building Up Worn Or Damaged Bores {0672}
1998/03/30 Use Measuring Tools For Crimp Diameter {0700}
1998/03/30 Stronger Injector Hold Down Bolt Used In Fuel Injection Pump Groups {1290}