903C Compact Wheel Loader Caterpillar


Hydraulic System Oil Sample - Obtain

Usage:

903C MW4


Illustration 1g03373953


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(1) Hydraulic oil Sampling port

The sampling port for the hydraulic oil is located on the hydraulic charge circuit (1). The sample valve in the charge circuit is located under the cab floor plate. Remove the cab floor plate to access the sampling port.

Caterpillar Information System:

525D, 535D, 545D, 555D Wheel Skidder Water Cleaning System (Pressurized) - If Equipped
2013/04/25 Rework Procedure for Cab Radio Connections is Now Available for Certain 924K, 930K and 938K Small Wheel Loaders {1408, 7338}
C9.3 Engines for Caterpillar Built Machines Solenoid Valve (DEF Heater Coolant) - Remove and Install
C9.3 Engines for Caterpillar Built Machines Electronic Control (Diesel Exhaust Fluid) - Remove and Install
903C Compact Wheel Loader Hydraulic System Oil Level - Check
2015/01/08 A New HEUI Hydraulic Pump Is Now Used on the C7 ACERT Engines of Certain Machines {1714}
259D, 279D, 289D, 299D, 299D XHP, 299D2 and 299D2 XHP Compact Track Loaders, 257D, 277D, 287D, 297D, 297D XHP, 297D2 and 297D2 XHP Multi Terrain Loaders and 236D, 242D, 246D, 262D, 272D, 272D XHP, 272D2 and 272D2 XHP Skid Steer Loaders Hydrostatic System
C9.3 Engines for Caterpillar Built Machines Voltage Control (Load Protection) - Remove and Install
903C Compact Wheel Loader Hydraulic System Oil - Change
C9.3 Engines for Caterpillar Built Machines Diesel Exhaust Fluid Filter - Remove and Install
903C Compact Wheel Loader Fuel Tank Water and Sediment - Drain
D6N Track-Type Tractor Power Train Sprocket Segment
374F Excavator Hydraulic System General Information (Boom System)
903C Compact Wheel Loader Lift Arm and Cylinder Linkage - Lubricate
D9R Track-Type Tractor Maintenance Interval Schedule
525D, 535D, 545D, 555D Wheel Skidder Brake Accumulator - Check
525D, 535D, 545D, 555D Wheel Skidder Brake Discs - Check
C9.3 Engines for Caterpillar Built Machines Manifold (DEF Heater) - Remove and Install
525D, 535D, 545D, 555D Wheel Skidder Braking System - Test
D9T Track-Type Tractor Systems Electronic Control (Fan Hydraulic System)
525D, 535D, 545D, 555D Wheel Skidder Cab Air Filter - Clean/Replace
903C Compact Wheel Loader Quick Coupler - Lubricate
525D, 535D, 545D, 555D Wheel Skidder Circuit Breakers - Reset
525D, 535D, 545D, 555D Wheel Skidder Cooling System Coolant (ELC) - Change
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