Komatsu WA100M-7, Operation And Maintenance Manual

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3.3 Operation Operation
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WA80M-7, WA100M-7 – VENAM03001
Water separator – draining water and dirt accumulations
1. Keep a container ready for collecting the fluid from the water
separator.
2. Unscrew the valve (1) at the bottom of the water separator by
2 rotations.
3. Drain off water and dirt until pure fuel flows out.
4. Retighten the valve (1) again by turning clockwise.
ATTENTION
Do not over-tighten the valve, as this might damage the thread.
NOTICE
It is recommended to fill the filter with fuel after draining to prevent
problems when starting the engine.
5. Loosen the bleed screw (1) on the injection pump.
6. Work the pump button (2) on the fuel filter until there are no
more bubbles in the fuel flowing from the bleed screw.
7. Retighten the bleed screw (1).
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WA80M-7
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WA100M-7