Komatsu — 250 HOUR LUBRICATION MAINTENANCE CHECKS

OM4021.1 8/00 Maintenance - Section 4 Lubrication and Service Page 4-5 250 HOUR SERVICE INITIAL 250 HOUR SERVICE Truck Serial Number _______________________ Site Unit Number _________________________ Date:____________Hour Meter_______________ Serviceperson Name_______________________ Perform the following maintenance after running the machine for the first 250 hours . Thereafter, these services are to be accomplished at the 1000/2000/5000 hour interval as scheduled. a. Fuel Filter, replace cartridges. b. Transmission - change oil and filter elements. d. Differential Case, change oil. c. Hydraulic - change oil and filter elements. e. Final Drive Case, change oil. EVERY 250 HOURS SERVICE 1.

Lubrication - Check automatic lube system to be sure ample grease supply is reaching pins and bearings. - Dump body hinge pin - 2 points. - Rear suspension - 4 points. - Hoist cylinder pin - 4 points. - Axle support pins - 8 points. - Front suspension assembly - 8 points. - Steering cylinder pin - 4 points. - Steering linkage - 5 points. - Front transmission mount - 1 point. Refill grease reservoir - Use lube key “D”. (Reservoir Capacity is approximately 7.7 gal. or 60 lbs [27 kg] of grease.) 2. BATTERY - Check electrolyte level and add distilled water if necessary to maintain proper level. 3. ENGINE - Refer to engine manufacturer’s service manual for oil recommendations and capacity.

- change engine oil. - change engine lube oil filter. COMMENTS √’d INITIALS