Drain Fuel Filter - Hitachi ZAXIS 135US-5B Operator's Manual

Drain Fuel Filter

--- daily
IMPORTANT: Drain fuel filter daily before starting
operation. The engine may be damaged if you do not
drain fuel filter daily.
Fuel main filter and pre-filter have water separator functions,
these allow float to rise as water accumulates.
Be sure to drain daily the water accumulated in the filter until
float (4) goes to the bottom of case.
Draining Procedures (Main Filter)
1. Place a container with a capacity of 0.5 liters or larger
under drain hose (3) to collect the drained water.
2. Rotate drain plug (2) on the bottom of the filter about
4-turns counterclockwise. Drain the water accumulated
in the filter until float (4) goes to the bottom of case. If it
is difficult to drain, loosen plug (1) on the top of the main
filter.
3. After draining water, securely tighten drain plug (2) and
plug (1).
4. Start the engine. Check drain plug (2) and plug (1) for
fuel leaks.
Wrench size: 10 mm
IMPORTANT: After draining water mixed in fuel, bleed air
from the fuel supply system.
MAINTENANCE
ZX135US-5B
7-53
ZX135US-5B
Pre-Filter
ZX225US-5B, 225USLC-5B
Main Filter
1
4
2
3
M1U4-07-042
ZX225US-5B,
225USLC-5B
Main Filter
Pre-Filter
M1U4-07-029
Main Filter
MDCN-07-032
MDAA-07-075
4
2
3
MDAA-07-076