Komatsu — LUBRICATION AND SERVICE

OM4021.1 8/00 Maintenance - Section 4 Lubrication and Service Page 4-1 LUBRICATION AND SERVICE Preventive Maintenance will contribute to the long life and dependability of the KOMATSU HD1500-5 Truck and its components. The use of proper lubricants and the performance of checks and adjustments at recom- mended intervals is most important. The service intervals presented here are in hours of operation. These intervals are recommended in lieu of an oil analysis program which may determine different intervals . However, if truck is being operated under extreme conditions, some or all of the intervals may need to be shortened and the service performed more frequently.

Lubrication requirements are referenced to the lube key found in the Truck Lubrication Specifications Chart. For detailed service requirements for specific components, refer to the shop manual section for that component (i.e. Section “G” for Final Drive, Section “H” for Suspensions, etc.). Refer to engine manufacturer’s service manual when servicing the engine or any of its components. TRANSMISSION OIL LEVEL CHECK 1. Engine Stopped : Oil level must be visible in upper part of sight gauge (STOP) between “H” and “L” to be sure there is sufficient oil to safely operate transmission when engine is stopped, or if transmission oil is cold (engine has been stopped for 8 hours or more).

Check oil level again, as described below, when transmission oil reaches operating temperature. 2. Engine Running : Oil level must be visible in lower part of sight gauge (turtle) between “H” and “L”. Check transmission oil level with: truck parked on level surface, engine running at low idle, transmission in neutral, “N”, and transmission oil at normal operating temperature: Add clean oil as required through transmission oil filler tube at left rear of transmission. HD1500-5 SERVICE CAPACITIES Cummins QSK 45 Engine Crankcase: including lube oil filters. Liters U.S. Gallons 193 51 Cooling System: 532 140.6 Hydraulic System: Refer to “Hydraulic Tank Service”, page 4-11.

900 238 Fuel Tank Diesel Fuel–ASTM D975 No. 2 * * Below -10°C (14°F) use No. 1 2120 560 Differential Case Final Drive Case (each planetary) 300 120 79 31.7 Transmission Case: including torque converter. 153 40.5 COOLING SYSTEM ANTI - FREEZE RECOMMENDATIONS (Ethlyene Glycol Permanent Type Anti-Freeze) Percentage of Anti-Freeze Protection To 10 + 23°F – 5°C 20 + 16°F – 9°C 25 + 11°F – 11°C 30 + 4°F – 16°C 35 – 3°F – 19°C 40 – 12°F – 24°C 45 – 23°F – 30°C 50 – 34°F – 36°C 55 – 48°F – 44°C 60 – 62°F – 52°C Use only anti-freeze that is compatible with engine as specified by engine manufacturer.