Komatsu AX20 - Maintenance (Continued); Differential, Forks, Mast, and Relief Valve Checks

31. MAINTENANCE
4-29
n CHECK MOUNTING CONDITION OF DIFFERENTIAL
n CHECK ROOT (BASE) OF FORKS FOR CRACKING (USE COLOR CHECK)
n CHECK ROLLER SHAFT OF LOADING EQUIPMENT FOR CRACKING AND DAMAGE
n CHECK MAST SUPPORT FOR DAMAGE AND WEAR
31.9.3 HYDRAULIC EQUIPMENT
n CHECK OPERATION OF RELIEF VALVE, CHECK RELIEF PRESSURE
n REPLACE AIR BREATHER
31.9.4 ENGINE
n (GASOLINE ENGINE) INSPECT AND CLEAN FUEL FILTER SOCK
n CLEAN INSIDE OF FUEL TANK
n CHECK FUEL INJECTION PRESSURE, INJECTION AMOUNT, INJECTOR CONDITION
n TIGHTEN (RETORQUE) ENGINE CYLINDER HEAD BOLTS
31.9.5 GENERAL
n CHECK FRAME AND CROSSMEMBER FOR CRACKING AND DAMAGE
n REPLACE ENGINE COOLANT (GLYCOL-BASED)
See procedure on page 4-29.
n REPLACE LPG FILTER
See procedure on page 4-29.
31.10 EVERY 18 MONTHS OR EVERY 3,600 HOURS SERVICE
n REPLACE SPARK PLUGS