Drain Fuel Pre-Filter - Hitachi ZAXIS 135US-6 class Operator's Manual

Drain Fuel Pre-Filter

--- daily
IMPORTANT: Drain fuel pre-filter daily before starting
operation. The engine may be damaged if you do not
drain fuel pre-filter daily.
The fuel pre-filter has a water separator function. There is a
float (8) inside the case which buoys when water accumulates.
Check float (8) position daily. Be sure to drain the water
accumulated in the pre-filter until float (8) goes to the bottom
of pre-filter case.
Drain Procedures
1. Place 0.5 liters or larger capacity container under drain
hose (6).
2. Rotate drain plug (5) on the bottom of the pre-filter case
counterclockwise. Drain the water accumulated in the
pre-filter until float (8) goes to the bottom of pre-filter
case. If it is difficult to drain, loosen plug (1) on the top of
the pre-filter.
3. After draining water, securely tighten drain plug (5) and
plug (1).
4. Start the engine. Check drain plug (5) and plug (1) for
fuel leaks.
IMPORTANT: After draining water mixed in fuel, bleed air
from the fuel supply system.
Wrench size: 14 mm
MAINTENANCE
Pre Filter
MDC1-07-092
7-82
ZX135US-6
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MDAT-07-017
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MDAT-07-018
MDD5-07-015