3-11
Chapter 3 OPERATION
Air tank - Drain water
1. Open the drain valve slowly, and check that water
in the tank is drained from drain pipe.
2. After water is drained and the air is discharged in
the tank, tighten the drain valve firmly.
3. Loosen the drain handle on the bottom of drain
separator. Check that water in the drain separator
is discharged from the drain pipe.
4. Close the drain handle after draining water firmly.
Fig. 3-19 Air tank - Drain water
Air tank air pressure - Check
Check the air pressure gauge to see if the air pressure
in the air tank conforms to the standard.
1. Open the air pressure gauge valve.
2. Check air pressure in the air tank with air pressure
gauge.
Specified value: 2.94 MPa {30 kgf/cm
2
} [427 psi]
3. Close the air pressure gauge valve.
Fig. 3-20 Air tank air pressure - Check
Air cleaner - Check
1. Check the air cleaner indicator for the element
clog.
2. If the element is clogged, the red signal mark is vis-
ible.
3. Immediately clean or replace the air cleaner ele-
ment when the signal turns red.
4. After checking, press the bottom on top of the indi-
cator to re-set the alarm signal.
Note: For cleaning of the air cleaner element, refer to
"Air cleaner element - Clean, Check and Re-
place" (8-17).
Fig. 3-21 Air cleaner - Check
There are 2 places for draining water in the air tank:
drain valve on the top of air tank, and drain handle
on the bottom of drain separator.
Drain valve
Drain
separator
Drain
handle
Drain
pipe
Air pressure
gauge
Air pressure
gauge
valve
Reset
button
Signal
(red)
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