Komatsu — 10,000 HOUR MAINTENANCE CHECKS

Lubrication & Service - Section 40 10/04 OM4043 Page 40-12 2500 HOUR MAIN1TENANCE CHECKS Truck Serial Number ________________________ Site Unit Number ____________________________ Maintenance for every 10, 250, & 500 hour Lubrica- tion and Maintenance Checks should be performed at this time. Date: __________ Hour Meter _________________ Name of Service Person ______________________ NOTE: “Lube Key” references are to the Lubrication Specification Chart. 1. WHEEL MOTOR GEAR OIL - Wheel motor gear oil must be filtered or replaced every 2500 hours of operation. Refer to G.E. Motorized Wheel Service & Maintenance manual. 2. FRONT WHEELS - Drain oil and refill to proper level. Lube key “E”.

Truck Serial Number ________________________ Site Unit Number ____________________________ 5000 HOUR MAINTENANCE CHECKS Date: __________ Hour Meter _________________ Maintenance for every 10, 250, 500, 1,000 & 2,500 hour Lubrication and Maintenance Checks should be performed at this time. Name of Service Person ______________________ 1. FRONT WHEELS - Drain oil and completely disassemble and check all parts for wear or damage. Refer to Section “G” of the service manual for disassembly and assembly proce- dures. Refill with oil. Check the oil level at the oil level plug on wheel hub. Lube key “C”. Check bearing preload at the first 500 hours after each rebuild. 2.

AIR CLEANERS - Clean the Donaclone Tubes in the pre-cleaner section of the air filter. Use low pressure cold water or low pressure air to clean tubes. Refer to Shop Manual, Section "C". NOTE: Do not use a hot pressure washer or high pressure air to clean tubes, hot water/high pressure causes pre-cleaner tubes to distort. Truck Serial Number ________________________ Site Unit Number ____________________________ 10,000 HOUR MAINTENANCE CHECKS Date: __________ Hour Meter _________________ Name of Service Person ______________________ Maintenance for every 10, 250, 500, 1,000, 2,500 & 5000 hour Lubrication and Maintenance Checks should be performed at this time. 1.

WHEEL MOTORS - Clean the area around the grease ports to prevent dirt or other contami- nates from entering. Remove the six grease port plugs on each wheel motor. Grease the inboard and outboard wheel hub bearings with one 14 oz. cartridge per each grease port. COMMENTS CHECKED INITIALS COMMENTS CHECKED INITIALS COMMENTS CHECKED INITIALS