1997/01/20 Caterpillar

A Port Now Provided In The Engine Oil Filter Group For Scheduled Oil Sampling (S.0.S.) {7542,1306,1051}

Usage:

D350E (9LR),
D400E (2YR) Articulated Trucks

Description of Change: A port is now provided in the engine oil filter group for S·O·S. The port is located on the oil filter base cover that is attached to the air cleaner mounting bracket.

Adaptable To: The port for engine oil S·O·S. is in effect with D350E (9LR283) and D400E (2YR405) Articulated Trucks. The S.·O·S port can be added to earlier machines using the following method and the parts shown in the Chart 1.

Illustration 1. Parts to be Removed from the Engine Oil Filter Group

1. Remove the mounting bolts (1) that hold the engine oil filter base to the engine air cleaner mounting assembly (2). Move the oil filter base away from the air cleaner mounting assembly.

Illustration 2. Dimensions for Modifying the Air Cleaner Mounting Assembly

2. Modify the engine air cleaner mounting assembly using the dimensions given in Illustration 2 and Chart 2.

Illustration 3. Location of the Parts for the S·O·S. Port (4) 3J-1907 O-ring Seal. (5) 9S-4191 Plug.

Illustration 4. Location of the Parts for the S·O·S Port (6) 2P-4305 Gasket. (7) 7C-4038 Cover. (8) 3J-7354 O-ring Seal. (9) 8C-3445 Dust Cap. (10) 8C-3446 Valve.

3. Install the new parts on the engine oil filter base as shown in Illustration 3 and 4.

4. Mount the engine oil filter base on the modified air cleaner mounting assembly using the original mounting bolts.

Caterpillar Information System:

1997/01/20 Dump Body Mounted Mud Deflectors (Mud Flaps) Are Available To Prevent Mud From Being Thrown On The Back Of The Tractor {4220}

1997/01/20 Improved Bearings Used In Output Transfer Gear Group {3159}

1997/01/20 New Check Valve Group And Larger O-ring For Load Monitoring System Eliminates O-ring Interference {5067,7200}

1997/01/20 Increased Tightening Specification Improves Retention Of Thrust Washer Screws In Final Drive {4051}

1997/01/20 New Ether Starting Aid Groups Include Flexible Hose Assemblies Instead Of Tube Assemblies {1456}

1997/01/20 Modification Of Electronic Control Module (ECM) Controlled Variable Speed Fan Clutch Bracket-Shaft Assembly For Easier Fan Speed Sensor Removal {1359}

1997/01/20 "E-Trim" Unit Fuel Injectors {1290}

1997/01/20 Special Edition, SEPD0325, "Major Improvements And Service Information For 768C, 772B, 776C, 776D Tractors, 771C, 771D, 775B, 775D Quarry Trucks And 769C, 769D, 773B, 773D, 777C And 777D Trucks" Is Available {0374}

1997/01/20 Adjustment To Window Hold Back Latch Improves Operation {7301,7310}

1997/01/20 Cab Rear Window Improvements Provide Improved Sealing And Visibility {7301,7310}

1997/01/13 Quickly And Accurately Set Valve Lash{1105,0766}

1997/01/13 Use 125-9622 Seal Installer To Install 118-9163 Seal In Water Pumps{1361,0708}

1997/01/20 VIMS-PC Service Tool Operating System Environment Answers {7601}

1997/01/20 Methods Of Obtaining Engine Flash Files {1902}

1997/01/20 New Remanufactured Water Pump Groups Include Cast Iron Impellers {1361}

1997/01/20 Improved Multi-Row Modules (IMRM) Used In Caterpillar Radiators Have Different Designs {1353}

1997/01/27 Charcoal Air Filter Available Reduces Odors From Outside Air {7309,7320,7342}

1997/01/27 Improved Procedure For Preloading Final Drive Bearings Now Available {4050,4059}

1997/01/27 An Improved Adjustment Procedure For The Steering Console Cylinder Eliminates Steering Console Drift {4300,5258}

1997/01/27 Special Instruction, REHS0033, "Assembly Procedure For 777D Truck Body" Is Available {0374,7258,7960}

1997/01/27 New Temperature Sensor For Differential Improves VIMS Data Accuracy {3290,7601}

1997/01/27 New Shield In The Exhaust Shield Group Gives Improved Service {1067}

1997/01/27 New Pressure Switch Assembly Available To Allow The Jake Brake To Release At Low Engine Speed {1119}

1997/01/27 Installation Of The Parts Service 7N-3542 Core In The Basic Radiator Assembly {1353}