Komatsu PC22MR-3 Operation & Maintenance Manual page 136

Hydraulic excavator
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USE OF THE MACHINE AND RELATED CONTROLS
1. Open the engine hood and the radiator cover. For details,
see paragraph "RADIATOR COVER (3-33)"
2. Make sure that the coolant level is included between the
FULL and LOW marks on the expansion tank (1). If the
level is low, top up through the filler neck of the tank (1),
until reaching the FULL mark.
3. Put back the cap after topping up.
4. If the expansion tank is empty, make sure that there are no
leakages and check the coolant level in the radiator. If
necessary, add coolant in the radiator and also in the
expansion tank.
3-48
WEAM014500
FUNCTIONING

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