Komatsu H75051, Operation & Maintenance Manual

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10. Check that the shaft of pin (1) is locked securely.
Be careful of the direction of brim of the shaft.
(A) Free state: The brim of shaft is sideways.
(B) Lock state: The brim of shaft is upward.
11. After operating several hours, check that the pin does not
come out.
METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL, ADDING FLUID
1.
Open the cover (1) inside the left step.
2.
Check the water level in window washer tank (2), and if it
is insufficient, add the window washer fluid for automo-
biles.
Be careful not to let dirt or dust get in when adding it.
3.
After checking the fluid level, close the cover (1).
METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER
METHOD FOR CHECKING LEVEL OF REFRIGERANT (GAS)
k k
WARNING
If the refrigerant used in the air conditioner gets into your eyes or is splashed on your hands, it may
cause loss of sight or frostbite. Never touch the refrigerant. Do not loosen any part of the refrigerant
circuit.
Do not bring any open flame close to any point where the refrigerant gas is leaking.
1.
Start the engine and set the engine speed to approximate-
ly 1500 rpm.
2.
Press the fan switch (1) and set the air flow to “MAX”.
3.
Press the temperature adjustment switch (2) and set the
temperature to 18 °C.
4.
Fully open the doors and windows.
5.
Press the air conditioner switch (3) to turn on the air condi-
tioner switch.
MAINTENANCE PROCEDURE MAINTENANCE
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