Komatsu — 10000 HOURS LUBRICATION AND MAINTENANCE CHECKS

Maintenance - Section 4 OM4015.1 Page 4-10 Lubrication and Service 5000 HOURS LUBRICATION AND MAINTENANCE CHECKS Maintenance for every 10, 50, 100, 250, 500, & 1000 hour Lubrication and Maintenance Checks should also be carried out at this time. Truck Serial Number ____________________________ Site Unit Number ______________________________ NOTE: "Lube Key" references are to the Lubrication Specification Chart. Date:______________Hour Meter_________________ Name of Service person__________________________ 1. FRONT WHEELS - Drain oil and check bearing preload as covered in the Service Manual, Section "G". Use Lube Key "C**" and refill with oil.

Check the oil level at oil level sight gauge on wheel hub. ** USE ONLY SAE 80W-90 FOR FRONT WHEEL BEARINGS. 2. AIR CLEANER - Clean the Donaclone Tubes in the pre-cleaner section of the air filter. Use low pres- sure cold water or low pressure air to clean tubes. Refer to the Service Manual, Section "C". NOTE: Do not use a hot pressure washer or high pressure air to clean tubes, high pressure causes pre-cleaner tubes to distort. 10000 HOURS LUBRICATION AND MAINTENANCE CHECKS Truck Serial Number ____________________________ Maintenance for every 10, 50, 100, 250, 500, 1000 & 5000 hour Lubrication and Maintenance Checks should also be carried out at this time.

Site Unit Number ______________________________ Date:______________Hour Meter_________________ Name of Service person__________________________ 1. FRONT WHEELS - Completely disassemble and check all parts for wear or damage. Refer to the Service Manual, Section "G", for complete Front Wheel Disassembly and Bearing Adjustment pro- cedure. COMMENTS √’d INITIALS COMMENTS √’d INITIALS