R2900 Load Haul Dump Service Inspection Caterpillar


Service Inspection
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For maximum service life of the machine, make a thorough service inspection when you perform lubrication and maintenance work. Look around the machine and under the machine. Inspect the condition of all major components. Check all grease fittings. Look for the following discrepancies:

  • loose bolts

  • trash buildup

  • oil, coolant, or fuel leaks

  • broken parts or worn parts

  • cracks in the frames

Remove any trash and any debris. As needed, adjust the tire inflation. Make any necessary repairs. Make sure that all loose connections and all parts are tightened to the specified torques. Replace any missing parts before starting the engine or before operating the machine.

Inspect the machine for leaks. If leaks are observed, find the source of the leak and correct the leak. If leaks are suspected, check the fluid levels more frequently than the recommended intervals.




Illustration 1g00929656

Inspection points for the service inspection

(A) Steering hydraulic system

(B) Frame

(C) Tires

(D) Front lights

(E) Bucket and linkage

(F) Hydraulic system

(G) Window washer reservoirs

(H) Power train

(I) Handholds and steps

(J) Engine

(K) Automatic lubrication system

(L) Fuel tank

(M) Ground level controls

(N) Cooling system

(O) Rear lights

(P) Engine air precleaner

(Q) Rollover Protective Structure (ROPS) and Falling Object Protective Structure (FOPS)




Illustration 2g00929659

(A) Inspect the steering hydraulic system for leaks, worn hoses and damaged lines. If necessary repair leaks, worn hoses and damaged lines. Inspect steering cylinders (1) and the steering cylinder mounts. Inspect the articulating hitch for wear, damage, and loose or missing bolts. If necessary, make repairs.

(B) Inspect front frame (2) and rear frame (3). Check for cracks or damage.

(C) Inspect tires for cuts, gouges and proper inflation. Remove large rocks from the treads. Look for abnormal wear or uneven wear that may indicate mechanical problems elsewhere. Make sure that you check the inside of the tire for damage or for wear. Inspect the tire treads for damage. If necessary, repair the tires.

Look for damaged rims. Replace any missing valve caps. Check the wheels for bolts that are loose or missing.

Note: Rust behind a bolt may indicate that the bolt is loose. Shiny metal areas around a bolt may indicate that the bolt is loose.

Inspect the axles, the differentials, the wheel brakes and the final drives for leaks. Check for damaged bolts, loose bolts or missing bolts. Tighten loose bolts and replace missing bolts.

(D) Inspect the front lights for broken lamps, lenses and proper operation. Replace broken lamps and lenses.

(E) Inspect the bucket and the linkages for wear and for damage.




Illustration 3g00929665

(F) Inspect the hydraulic system. Check for leaks, worn hoses and damaged lines. Repair any leaks, worn hoses and damaged lines.

Check the oil level in hydraulic tank (4). Make sure that the filler cap is installed. Inspect the tank covers for damaged bolts, loose bolts or missing bolts. Tighten loose bolts and replace missing bolts. Check the welds and mounting brackets for the hydraulic tank. Inspect the tank for leaks or for damage. If necessary, make repairs.

(G) Check the level in the window washer fluid reservoirs.




Illustration 4g00947464

(H) Inspect the hydraulic systems for the torque converter and for transmission (5). Check for leaks from the torque converter and from the transmission. Check for worn hoses and for damaged lines. Repair any leaks, worn hoses and damaged lines.

(I) Inspect the steps, the walkways and the handholds. Remove any debris. Repair any damage or replace any damaged parts.




Illustration 5g00947472

(J) Inspect the engine for any obvious component damage. Use dipstick (6) to check the engine oil level. Check for oil leaks, coolant leaks, and exhaust leaks. Check the belts of the engine for proper tension and for good condition.




Illustration 6g00947473

(K) Inspect the automatic lubrication system. Inspect reservoir (7) for leaks. Fill reservoir (7) with lubricant. Check all of the grease fittings.

Reference: For more information about the automatic lubrication system, refer to the Operation and Maintenance Manual, "Automatic Lubrication Grease Tank - Fill (If Equipped)" for the machine that is being serviced.

(L) Inspect the fuel tank. Make sure that the filler cap is installed correctly. Look for any leaks or damage to the fuel tank.

(M) Inspect the ground level controls for proper operation. Replace a damaged or worn engine shutdown switch (9). Replace a damaged or worn battery disconnect switch (8).

(N) Check the coolant level in the cooling system. Inspect the cooling system for leaks, worn hoses and debris. Repair any leaks and damaged hoses. Remove any debris that could block the air flow through the radiator.

Reference: For more information about cleaning the radiator core, refer to the Operation and Maintenance Manual, "Radiator Core - Clean" for the machine that is being serviced.

(O) Inspect the rear lights for broken lamps, lenses and proper operation. Replace broken lamps and lenses.




Illustration 7g00947479

(P) Check engine air precleaner (10) for accumulated debris. If necessary, clean engine air precleaner (10).

Reference: Refer to the Operation and Maintenance Manual, "Engine Air Precleaner - Clean" for the machine that is being serviced.

(Q) Inspect the Rollover Protective Structure (ROPS) and Falling Object Protective Structure (FOPS) for cracks in welds, castings or any metal section on the ROPS/FOPS. Check the mounting bolts and the mounting pads for damage. Consult your AVSpare dealer for necessary repairs. Inspect the operator's station. Check the AVSpare Monitoring System for diagnostic codes. Correct any discrepancies.

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