1998/02/23 Caterpillar


Oil Savers Removed From 793C Rear Axle Housing Will Improve Life Of Differential Group{4001,3260}

Usage:


793 (3SJ),
793B (1HL),
793C (4AR) Off-Highway Trucks

Reference: Service Magazine; May 26, 1997; Page 4; "Foam Filled Oil Saver Tanks Used In Off-Highway Truck Rear Axle Groups To Increase Bearing Life."

Description of Change: The 130-2763 and 130-2764 Tank Assemblies have been removed from the 124-7721 Rear Axle Housing Group. When 130-2763 and 130-2764 Tank Assemblies are removed from the 124-7721 Rear Axle Housing Group an additional 170 L (44.85 gal U.S.) of oil is required. This additional oil will increase total oil capacity to 978 L (258.05 gal U.S.) and make more oil available at cold starts.

Adaptable To: Removal of 130-2763 and 130-2764 Tank Assemblies is effective with 793C (4AR313) and is adaptable to all earlier models.

Caterpillar Information System:

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1998/02/23 New Relief Valve Pressure Settings For Main Hydraulic System{5069,5117}
1998/02/23 New Cover And Insert Reduce Wear Between Leveler And Cover For Steering Pump Group{4306}
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1998/02/16 Proper Remote Air Bleed Installation Procedure For Machines Equipped With MTS Track Systems {4197}
1998/02/16 Air Bleed Procedure For Track Tensioning Ram Equipped With The Field Update Kit {4197}
1998/02/16 Track Alignment Procedure {4198}
1998/02/16 Cold Cylinder Cutout Strategy Added To The Electronic Control Module (ECM) Software {1902}
1998/02/16 Improved Bearings Used In Transmission Planetary Groups On Certain Off-Highway Trucks {3160,3186}
1998/02/16 Procedure For Engine Pre-Lubrication System Bypass On Certain Off-Highway Trucks {1469}
1998/02/16 Special Instruction, SEHS9364-02, "Off-Highway Truck Rear Wheel Salvage", Is Now Available {0374,4208}
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1998/02/23 Supplement For Disassembly And Assembly Of Front, Center, And Rear Differentials{3258}
1998/02/23 Corrections To Shiftpoint Specifications{3168}
1998/02/23 Supplement On Accumulator Precharge And Service Pressure{5081}
1998/02/23 Procedure To Disable Top Transmission Gears{3030,1400}
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1998/03/02 Use 137-3483 PTO Shaft Seal Installer To Maintain Correct Seal Depth When Assembling Retainer {0745,1165}
1998/03/02 Supplements List For Motor Graders {0374,0350}
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