1992/11/30 Caterpillar


New Oil Pump Used As Service Replacement{3310}

Usage:


3192 And 7251 (74E1127-1480) Marine Transmissions

SUPPLEMENT: 06/17/96

Service Magazine; November 30, 1992; Page 7; "New Oil Pump Used As Service Replacement"for 3192 and 7251 Marine Transmissions.

The part number for Item 1 given in Chart A, 2H-2927 Seal, is not correct. The correct part number should be 2H-3927.

--------------- END SUPPLEMENT ---------------

Description of Change: A new oil pump and associated components are available as a service replacement for the former oil pump. The former oil pump is no longer available.


Illustration 1. Location of components required for service replacement of former 8L8541 Oil Pump.

Adaptable To: The former 8L8541 Oil Pump, used on the above marine transmissions, is no longer available. In those applications, the components identified in Chart A and Illustration 1 can be used as a service replacement for the former oil pump. Illustration 2 shows the locations of the 6I3597 Tube and 6I3738 Hose for "Standard Rotation."

Illustration 3 shows the locations of the 6I3737 Tube and 6I3738 Hose for "Opposite Rotation." Chart B lists the components that are removed and not reused when replacing the former 8L8541 Oil Pump.


Illustration 2. Location of components for Standard Rotation.


Illustration 3. Location of components for Opposite Rotation.

Caterpillar Information System:

1992/11/30 New Unit Injector Sleeve Used In Cylinder Head Groups{1125}
1992/11/30 New Cylinder Head Gasket Used{1124}
1992/11/30 Reporting Incidents{0337}
1992/11/23 Oil Filter Group Improved{1318}
1992/11/23 Be Sure To Use Correct Cup Plugs On 0R2077, 0R2554, And 0R3258 Remanufactured Short Blocks{1200,1201}
1992/11/23 New Service Seal Used In Altronic III Magnetos{1552}
1992/11/23 Procedure For Seating The Ball In The Fuel Return 4L8546 Check Valve{1274}
1992/11/23 Supplemental Coolant Additive Requirements{1352,1395,1063}
1992/11/23 New Gasket And Plate Used In Front Housing Group To Help Prevent Oil Leaks{1151}
1992/11/16 New Cylinder Head Gasket, Spacer Plate And Head Bolts Used; New Cylinder Liner Projection Measurement Method; New Cylinder Head Torque Sequence{1124,1221,1216}
1992/11/16 New Spacer Plate Gasket Provides Improved Sealing Around Push Rod Compartment{1221}
1992/11/16 New Connecting Rod Assembly Used{1218}
1992/11/30 Left Handed Threads In Compressor Nut On Some Caterpillar Turbochargers{1077,1053,1052}
1992/11/30 New Fuel Priming Pump Kit Available{1258}
1992/11/30 Procedure To Replace Cylinder Head Gasket{1124}
1992/11/30 Procedure To Clean High Performance Marine Engine Air Filter{0374,1054}
1992/11/30 New Cast Iron Deaerators Replace Former Aluminum Deaerators{1350}
1992/12/21 New Cylinder Head Bolt Tightening Procedure{1100}
1992/12/21 Modifying Former 2W8888 Rocker Arm Shaft For Use With New 8T7581 Rocker Arm Shaft Bolt{1102}
1992/12/21 New Bellows Assemblies Used In Turbocharger Groups{1052,1059}
1993/01/18 New Videotape "Detection of Air and Combustion Gases in the Cooling System" Available {0374,1350}
1993/01/18 Part Number References For 0R2818, 0R2819, And 0R3231 Remanufactured 3208 Truck Engines {0374}
1993/01/18 Cylinder Pack Puller Groups Improved {0705,1239}
1993/01/18 New And Remanufactured Fuel Injector Reference {1290}
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