Komatsu — 4.6.3 PERIODIC SERVICING SCHEDULE

MAINTENANCE 4.6 LUBRICATION AND MAINTENANCE SCHEDULE (1) Perform maintenance according to separate Engine Operation an Maintenance Manual filed in volume 2 binder. (2) Perform inspections according to the separate Manuals ”FIRE DETECTION AND ACTUATION SYSTEM” and ”FIRE SUPPRESSION SYSTEM” filed in volume 2 binder. (3) Perform inspections according to the separate Manual ”OPERATING INSTRUCTIONS AC” filed in volume 2 binder. Carry out initial service according to item 4.6.1.

291 Service Intervals Service Point Service See Every 250 operating hours or monthly Refrigerant compressor Check drive belt tension page 347 Undercarriage pin connections Lubricate page 349 Signal horn compressor Lubricate page 349 Oil cooler fan bearings and Radiator fan bearing Check for leakages and clean breather filters page 349 Automatic lube systems Clean in-line grease screens and breather filters page 351 Cab, air filter Clean or replace filter element page 353 Engine Maintenance (1) Fire suppression system Inspection (2) Air conditioning for Operator’s cab Inspection (3) Every 500 operating hours or quarterly Batteries Check fluid level page 355 Flexible Couplings Check oil level page 357 Fuel tank Drain condensation page 359 Crawler tracks Inspection page 361 Fire detection and actuation system Maintenance (2) CAUTION