Drain Fuel Filter - Hitachi ZW 310-6 Operator's Manual

Drain Fuel Filter

--- every 10 hours (daily)
IMPORTANT: Drain fuel pre-filter daily before starting
operation. The engine may be damaged if failed.
Drained water should contain fuel. Follow the local
regulations when disposing it.
Fuel pre-filter (1) has water separator function, which
drains accumulated water.
f
NOTE: Drain water when the engine trouble indicator
flashes.
Draining Procedures
1. Be sure to shut off the engine.
Place 0.5 liters or larger capacity container under
drain valve (2) to hold the drained water.
2. Use your hand to open the drain valve.
Turn valve (2) counterclockwise approximately 3½
turns until the valve drops down 25.4 mm (1 in) and
draining occurs.
3. Drain the filter sump until clear fuel is visible.
d
CAUTION: When closing drain valve (2), do not
overtighten the valve. Overtightening can damage
the threads.
4. To close the valve, lift the valve and turn clockwise
until it is hand-tight.
5. Start the engine. Check drain valve (2) for fuel leaks.
MAINTENANCE
1
2
1
2
7-62
90Z7B-7-64-1
90Z7B-7-64-2