1997/12/01 Caterpillar


Improved Front Brake Cooling Hose Available For Oil Cooler Lines Group {4257,1365}

Usage:


793C (4AR) Off-Highway Trucks

Description of Change: Material for hose assemblies in oil cooler lines group has been changed. Material features improved service life of hose assembly. A longer bolt has also been added to facilitate assembly.

Adaptable To: The 153-2128 Hose Assembly is a direct replacement for the former 140-6363 Hose Assembly. The 153-2128 Hose Assembly used in 124-7700 Oil Cooler Lines Group (not serviced) is effective with 793C (4AR283-UP) Off-Highway Trucks and is adaptable to all earlier machines.

The 153-2129 Hose Assembly is a direct replacement for the former 140-6362 Hose Assembly. The 153-2129 Hose Assembly used in 124-7700 Oil Cooler Lines Group (not serviced) is effective with 793C (4AR283-UP) Off-Highway Trucks and is adaptable to all earlier machines.

The 8T-4910 Bolt (M12) is a direct replacement for the former 8T-6466 Bolt. The 8T-4910 Bolt used in 124-7700 Oil Cooler Lines Group (not serviced) is effective with 793C (4AR283-UP) Off-Highway Trucks and is adaptable to all earlier machines.


124-7700 Oil Cooler Lines Group.

(1) 153-2128 Hose Assembly.
(2) 8T-4910 Bolt (M12).
(3) 153-2129 Hose Assembly.
(A) Front Brake Cooler Filter.
(B) Diverter Valve.
(C) Hoist Valve.

Caterpillar Information System:

1997/11/24 Improved Switches Now Used To Prevent Open Contacts {1423}
1997/11/24 Correction To Service Manual SENR5664 {0374}
1997/11/24 Correction To Service Manual Module, SENR1327 {0374}
1997/11/24 New Basic Governor Groups (Woodward 3161) Have Self-Contained Oil Supply {1264}
1997/11/24 Listing Of Deutsch Connector Components {0374,1408}
1997/11/24 New Air Suspension Seat Increases Operator Comfort And Service Life {7312,7321,7318,7324}
1997/11/24 New Bag And Gas Valve With Stronger Charging Valve Assembly Improves Steering System Accumulator Service Life {5077,4331}
1997/11/24 Special Instruction, REHS0130, "Procedure To Retrofit 3516B EUI Engine In 793B Off-Highway Trucks Equipped With Vital Information Management System (VIMS)." {7601,1000}
1997/11/24 New Bellows Assembly In Turbocharger Groups Will Help Prevent Exhaust Leaks {1059}
1997/11/24 Self Locking Bolt Improves Retention In Steering Console Cylinder {4310,4338}
1997/11/24 Retrofit For Primary Fuel Filter Group Helps Protect The Fuel System {1260}
1997/11/24 Idler Counterweights Available {7055,7056,4159,4150}
1997/12/01 Wear Limits For Steering Linkage Ball Studs And Outer Race Bearings {4329,4318,4305}
1997/12/01 New Wiper Seals Increase Service Life Of Front Suspension Cylinders {7201}
1997/12/01 Correction To Service Manual Module, SENR1330 {0375}
1997/12/01 Correction To Service Manual Module, SENR1330 {0375}
1997/12/01 Correction To Electronic Implement Control Manual SENR5891 {5702}
1997/12/01 Propel Electronic Control System Service Manual Now Available {0354,0375}
1997/12/01 Procedure For Propel Pump Neutral Adjustment {4351}
1997/12/01 New Fuel Line Support Brackets Help Eliminate Vibration {1252}
1997/12/08 New Battery Cable Routing Improves Service Life{1402}
1997/12/08 Clean Sludge From Tandems Before Adding New Oil {4071,4064}
1997/12/08 Brake Screen Parts Now Serviced Separately{4295}
1997/12/08 Front Frame Counterweight Weld Procedure{7051,7055,7056}
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