Maeda CC423S-1, Operation Manual

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[6] INSPECTION OF DUST INDICATOR
1. Open the engine bonnet and check if the red piston
comes out from transparent part of the dust indicator
(1).
2. Immediately clean or replace the element if the red
piston comes out.
Refer to “Inspection and Maintenance 10.3 Irregular
Maintenance [1] Inspection, Cleaning and Replacement
of Air Cleaner” for details.
3. After inspection, cleaning and replacement, push the
knob of the dust indicator (1) to return the red piston to
the original position.
[7] INSPECTION OF WATER SEPARATOR
If the red ring (1) of the water separator is sunk to the bottom
of the case (2), no water has entered.
When the red ring (1) is floating, water is present up to the
bottom of the ring, so discharge water using the following
procedure.
1. Open the engine bonnet.
2. Move the handle (3) to the closed position (A).
3. Loosen the drain plug (4), drain the accumulated water
until the red ring (1) reaches the bottom, and close the
plug (4).
4. Move the handle (3) to the open position (B).
5. Discharge water/sediment from the fuel tank in
accordance with “Inspection and Maintenance 10.3
Irregular Maintenance [5] Draining of Contaminant
Water/Deposits in Fuel Tank”.