USE OF THE MACHINE AND RELATED CONTROLS
117
8. Check the seat belt and the relevant couplings.
If there is any damage or anomaly, change them with new
ones.
9. Check the cab floor fastening screws.
• Open the engine hood and make sure that the two fasten-
ing screws of the cab floor (1) are correctly tightened. If
there are loose screws, tighten them.
If any anomaly is observed, carry out the necessary repairs
or have them carried out by your Komatsu Distributor.
3.3.1.2 CHECKS TO BE CARRIED OUT BEFORE STARTING THE ENGINE
Carry out the checks listed below every day before starting the engine.
CHECKING THE COOLANT LEVEL AND TOPPING UP
q
Do not remove the radiator cap, unless such operation is absolutely necessary. Before checking the
coolant level, wait for the engine to cool down and check the expansion tank.
q
Immediately after the engine has stopped, the coolant is very hot and under pressure. Removing the cap
in these conditions to check the coolant level may cause a burn hazard. Wait for the temperature to low-
er, then turn the cap slowly to release the pressure before removing it.
1. Open the radiator cover. For further details, see "3.2.7 RADI-
ATOR COVER".
2. Make sure that the coolant level is included between the
MIN. and MAX. marks on the expansion tank (1). If the level
is low, top up through the filler neck of the tank (1), until
reaching the MAX. 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 neces-
sary, add coolant in the radiator and also in the expansion
tank.
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