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Komatsu Galeo PC14R-2 Manual

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MAINTENANCE PROCEDURES
194
4.9.6 MAINTENANCE EVERY 1000 HOURS OF OPERATION
Carry out these operations together with those to be performed every 500 HOURS.
4.9.6.a CHANGING THE HYDRAULIC OIL FILTER
WARNING
q To carry out this maintenance operation it is necessary to tilt the cab floor. Carefully follow the
instructions given in paragraph "3.2.8 TILTING THE CAB FLOOR" or have this operation carried out by
your Komatsu Dealer.
q 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 changing the filter.
q The hydraulic system is under pressure; slowly loosen the filler cap to release any residual pressure.
q 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
q On machines containing synthetic biodegradable oil type HEES , this must be changed for the first time
after the first 50 hours of operation and successively every 1000 hours.
The filter is positioned on the hydraulic system drain outlet and it
holds the metal particles that come off the various components
due to wear. The filter can be reached after tilting the cab floor
(see "3.2.8 TILTING THE CAB FLOOR").
To change it, proceed as indicated below:
1. Loosen the screws (1) and remove the plate (2).
2. Slowly loosen the filler cap (F) to release any residual
pressure from the tank.
3. Remove the screws (3) that hold the filter cover (4).
4. Remove the spring (5), the valve (6) and extract the cartridge
(7).
5. Carefully clean the filter casing and change the cartridge (7).
6. Reassemble the whole by proceeding in the reverse order
and make sure that the gasket (7) of the cover (4) is not
damaged and is correctly housed in its seat.
7. Close the engine hood.
… 196 …


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