HATZ Diesel 4H50TIC User Manual
Page 75
4
Water level sensor cable
Procedure
Step
Activity
1
Block the fuel feed line (1) between the fuel tank and fuel prefil-
ter.
2
Place a suitable container under the filter to collect emerging
fuel.
3
Disconnect the water level sensor cable (4) from the drain plug
(3).
4
Release the drain screw (3) and drain the fuel.
5
Unscrew the fuel prefilter, fully unscrew the drain plug with inte-
grated water level sensor.
6
Dispose of the used fuel prefilter according to local environmen-
tal regulations.
7
Clean the drain plug with integrated water level sensor and light-
ly oil the sealing surfaces. Screw in the drain plug into the new
fuel prefilter.
8
Lightly oil the gasket of the new fuel prefilter, fit the filter and
tighten it by hand.
9
Release the fuel feed line and connect the cable of the water
level sensor.
10
Start the engine and perform a test run.
NOTE: When starting the engine, adhere to the procedure under
"7.4 Starting the engine for the first time/after a filter change,
page 42".
11
After the test run, check the fuel prefilter and drain plug for
leaks.
Maintenance
4H50TIC
76
Operator's Manual
HATZ