Komatsu — 1000 HOUR LUBRICATION AND MAINTENANCE CHECKS

Maintenance - Section 40 02/10 OM4052 Page 40-12 Lubrication and Service 1. 2. 3. 4. 5. 6. 7. 8. 9. 1000 HOUR LUBRICATION AND MAINTENANCE CHECKS Truck Serial Number Site Unit Number Date ______________________ _______________ _______________ Hourmeter Name of Service Technician _____________ ___________________________________ TASK COMMENTS CHECKED INITIA HYDRAULIC TANK - Drain the hydraulic tank and clean the inlet strainer. Refill the tank with new oil; approximate capacity 901 l (238 gal). Use Lube Key “B”. NOTE: Oil change interval can be extended to 2,500 hours if oil is sampled at every 250 hour intervals and no abnormalities are detected.

RADIATOR - Clean the cooling system with a quality cleaning compound. Flush with water. Refill the sys- tem with anti-freeze and water solution. Check the Cooling System Recommendation Chart in this sec- tion for the correct mixture. Refer to the engine manu- facturer’s Operation and Maintenance Manual for the correct additive mixture. FUEL TANK - Remove the breather and clean it in solvent. Dry with pressurized air and reinstall. ENGINE - Remove, clean, and dry the crankcase breather elements. OPERATOR'S SEAT - Apply grease to the slide rails. Use Lube Key “D”.

AUTOMATIC BRAKE APPLICATION - Ensure the brakes are automatically applied when the brake pressure decreases below the specified limit. Refer to the shop manual, Section J, Brake Checkout Proce- dure. FRONT ENGINE MOUNT TRUNION - Add one or two applications of grease at fitting. Lube key “D”. AUTOMATIC LUBE SYSTEM PUMP - Check the pump housing oil level. Refill to the bottom of the level plug with SAE 10W-30 motor oil. AUTOMATIC LUBE SYSTEM - Perform checks as outlined in the Preventative Maintenance procedure of Section 42 in this manual. Complete the 10, 50, 100, 250, and 500 hour lubrica- tion and maintenance checks.

Truck Serial Number Site Unit Number Date ______________________ _______________ _______________ Hourmeter Name of Service Technician _____________ ___________________________________ TASK COMMENTS CHECKED INITIA LS HYDRAULIC TANK - Drain the hydraulic tank and clean the inlet strainer. Refill the tank with new oil; approximate capacity 901 l (238 gal). Use Lube Key “B”. NOTE: Oil change interval can be extended to 2,500 hours if oil is sampled at every 250 hour intervals and no abnormalities are detected. RADIATOR - Clean the cooling system with a quality cleaning compound. Flush with water. Refill the sys- tem with anti-freeze and water solution.

Check the Cooling System Recommendation Chart in this sec- tion for the correct mixture. Refer to the engine manu- facturer’s Operation and Maintenance Manual for the correct additive mixture. FUEL TANK - Remove the breather and clean it in solvent. Dry with pressurized air and reinstall. ENGINE - Remove, clean, and dry the crankcase breather elements. OPERATOR'S SEAT - Apply grease to the slide rails. Use Lube Key “D”. AUTOMATIC BRAKE APPLICATION - Ensure the brakes are automatically applied when the brake pressure decreases below the specified limit. Refer to the shop manual, Section J, Brake Checkout Proce- dure.

FRONT ENGINE MOUNT TRUNION - Add one or two applications of grease at fitting. Lube key “D”. AUTOMATIC LUBE SYSTEM PUMP - Check the pump housing oil level. Refill to the bottom of the level plug with SAE 10W-30 motor oil. AUTOMATIC LUBE SYSTEM - Perform checks as outlined in the Preventative Maintenance procedure of Section 42 in this manual.