Engine Oil Pump - Inspect
机油泵供油管的进口滤网可能会有阻塞。 该阻塞会导致气穴的形成和机油压力降低。 如果机油泵供油一侧发生漏气，也会导致气穴的形成和机油压力降低。 如果发动机机油泵旁通阀保持在开启位置，润滑系统会无法达到最大压力。 机油泵齿轮如果严重磨损的话，会使机油压力下降。
如果发动机机油泵的任何零件磨损到足以影响发动机机油泵的性能的话，则必需更换发动机机油泵。
Caterpillar Information System:
2007/09/01 Unauthorized Engine Modification {1000}
G3520B Industrial Engines CAN Data Link - Test
2007/11/01 The Remanufactured Control Group is Incorrect for the Application {1901, 7620}
2007/11/26 The Remanufactured Control Group is Incorrect for the Application {1901, 7620}
2007/09/10 A New Fuel Line and Hose Assembly are Used for the Fuel Cooler {1274}
C3.3 Industrial Engine Maintenance Interval Schedule
C3.3 Industrial Engine Fan Drive
Correct Usage of the Oil Rail Plug for the Cylinder Head on C9 Engines{1100} Correct Usage of the Oil Rail Plug for the Cylinder Head on C9 Engines{1100}
The Proper Procedures for Troubleshooting Mechanical Unit Injectors (MUI){1251, 1264, 1280, 1288, 1290} The Proper Procedures for Troubleshooting Mechanical Unit Injectors (MUI){1251, 1264, 1280, 1288, 1290}
2007/09/01 An Improved Oil Level Gauge Is Now Used {1326}
2007/10/08 New ECM Software Is Available for Gas Compression Applications {7620}
3500 Generator Sets Fuel System Secondary Filter - Replace
C3.4 Engines for Caterpillar Built Machines Finding Top Center Position for No. 1 Piston
14L Motor Grader Gear Pump (Transmission Charging and Scavenge) - Disassemble
C18 Power Module Before Starting Engine
G3408C and G3412C Engines Piston and Rings - Gallery Cooled Piston
14L Motor Grader Gear Pump (Transmission Charging and Scavenge) - Assemble
PM3500 Power Modules Overhaul Considerations
UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Log File Messages
3500 Generator Sets Air Shutoff - Test - Engines That Are Equipped with ADEM II or ADEM III Engine Control Modules (If equipped)
Copper Contamination of the Engine Oil in some 3500C Marine Engines{1000, 1348} Copper Contamination of the Engine Oil in some 3500C Marine Engines{1000, 1348}
3500 Generator Sets Emergency Stopping
G3408 and G3412 Engines Governor
C27 and C32 Generator Sets and C32 Power Module Return Fuel Lines{1274} C27 and C32 Generator Sets and C32 Power Module Return Fuel Lines{1274}