Komatsu — 1000 HOUR LUBRICATION AND MAINTENANCE CHECKS

Maintenance - Section 40 OM4052 Page 40-10 Lubrication and Service 1. 2. 3. 4. 5. 6. 7. 8. 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 oil, and clean the inlet strainer. Refill the tank with new oil, approximate capacity 507 l (134 gal). Use Lube Key B. RADIATOR - Clean the cooling system with a quality cleaning compound and flush with water. Refill the system with DCA or antifreeze and water solution.

Check the Cooling System Antifreeze Recommenda- tion chart in this section for the correct 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. 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 oil, and clean the inlet strainer. Refill the tank with new oil, approximate capacity 507 l (134 gal). Use Lube Key B. RADIATOR - Clean the cooling system with a quality cleaning compound and flush with water.

Refill the system with DCA or antifreeze and water solution. Check the Cooling System Antifreeze Recommenda- tion chart in this section for the correct 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. 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.