. MAINTENANCE SERVICE PROCEDURE ADJUSTING NOTICE Check each pulley for damage, wear of the V-groove, and wear of the V-belt. In particular, be sure to check that the V-belt is not touching the and the that CLEAN ELEMENT IN AIR CONDITIONER RECIRCULATION FILTER filter inspection cover (3). 4 - 48 1. For adjustment, loo sen bolt (1) and shift air co mpressor 2. Tighten nut (1) to fi bottom of the V-groove In case any of the follow territory to replace the . ing occurs, ask the Komatsu distributor in your belts with new ones. gated, leaving little allowance for adjustment. nd on the belt. sound is heard coming from the belt. set, readjust it after one hour of operation.
• The fan belt has elon gated, leaving little allowance for adjustm • A cut or crack is fou • Slipping or creaking sound is heard coming from th When the new V-belt is set, readjust it after one hour of operatio CHECK FOR LOOSE WHEEL HUB BOLTS, TIGHTEN I f wheel hub bolts (1) increase accidents may be caus 1. Check for loose nu When checking fo direction of tighteni Tightening torque: 2. If any stud bolt is wheel. 1. Check for loose nu ts, and tighten if necessary. (Machine equipped wit 1. Loosen knob (1), re move filter inspection cover (2), then open 2. Pull out filters (4) a nd (5) in the direction of the arrow. 3. Clean with compres sed air in the same way as for the fre sh air filter.
If the filter is extrem After rinsing the filte ely dirty, rinse it in water. r, dry it completely before in stalling it a gain.