Komatsu PC22MR-3, Руководство по эксплуатации и техническому обслуживанию

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MAINTENANCE
MAINTENANCE PROCEDURES
4-63
MAINTENANCE EVERY 2000 HOURS OF OPERATION 4
Carry out these operations together with those to be performed every 500 HOURS and every 1000 HOURS.
CHANGING THE OIL IN THE HYDRAULIC TANK AND CLEANING THE FILTER 4
WARNING
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To carry out this maintenance operation it is necessary to tilt the cab floor. Carefully follow the
instructions given in paragraph "TILTING THE CAB FLOOR (3-35)" or have this operation carried out
by your Komatsu distributor.
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Retract the arm and bucket cylinders completely, rest the bucket teeth on the ground and, after
stopping the engine, eliminate the residual pressures from the equipment (by shifting the controls
more than once) and from the tank (by slowly loosening the filler cap).
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Soon after the machine has been stopped, the hydraulic oil is very hot and may cause burns; let it cool
down to 40–45° C before carrying out this maintenance operation.
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Immediately clean any area dirty with oil.
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Oils, filters, the coolant and the battery are considered special waste and must be collected and
disposed of according to the regulations in force.
CAUTION
On machines containing synthetic biodegradable hydraulic oil type HEES, this must be changed after the
first 500 hours of operation and successively every 2000 hours, and in any case at least once a year.
1. Turn the turret so that the lower part of the hydraulic oil
tank is not covered by the tracks.
2. Retract the arm and bucket cylinders completely and lower
the boom until the bucket teeth rest on the ground.
3. Lower the blade to the ground.
4. Stop the engine and eliminate the residual pressure from
the work equipment (by shifting the controls more than
once).
WEAM014500