. MAINTENANCE MAINTENANCE PROCEDURE MAINTENANCE PROCEDURE 4 - 17 INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS) Carry out the fo llowing maintenance only after the firs t 250 h ours o f operation on new machines. Replac e fuel filter cartridge Check engin e valve clearance, Special tools are needed for inspectio n and maintenance, so co ntact your Komatsu distributor. For details of th e method of replacing or m aintaining, s ee EVERY 5 00 HOURS , EVERY 1000 HOURS and EVERY 2000 HOURS SERVICE.
INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS) Carry out the fo llowing maintenance only after the firs t 1000 hours of operatio n on new machines Check engin e valve clearance, adjust Special tools are needed for inspectio n and maintenance, so co ntact your Komatsu distributor. For details of th e method of replacing or maintaining, see th e secti on on EVERY 2000 HOURS SERVICE.