Check Water Separator - Hitachi Zaxis 850LC-3 Operator's Manual

2 Check Water Separator

--- daily (Before staring operation)
Water separator separates any water that may get mixed with
the fuel. Water separator contains a float which rises as water
accumulates.
Be sure to drain the sediment when the float rises up to the
"Drain Water" mark written on the outside of water separator .
IMPORTANT: If the fuel contains an excessive amount of
water, shorten the interval between water
separator checks.
Draining Procedures (Main Filter)
1. Place 0.5 liters (0.5 US qt) or larger capacity container un-
der drain plug (3) to collect the drained water.
2. Shut off the fuel supply by closing cock on the bottom of
the fuel tank.
3. Loosen plug (1) on the top of the fuel main filter.
4. Rotate drain plug (3) on the bottom of the filter about
4-turns counterclockwise to drain the water accumulated
in the filter.
5. After draining water, securely tighten drain plug (3) and
plug (1). Return fuel cock to the original position.
6. Start the engine. Check drain plug (3) and plug (1) for fuel
leaks.
Wrench size: 10 mm
MAINTENANCE
Main Filter
7-49
M1J1-07-002
Main Filter
1
M1GR-07-010
3
M1GR-07-002