Changing Fuel Filter - Gehl RT175 Operator's Manual

4. On all machines except model RT250, inspect
the water separator (Fig. 96) for the presence of
water:
• If the indicator ring (M) is at the bottom of
the cup, no action is required.
• If the indicator ring (M) is floating off the
bottom of the cup, water is present and needs
to be drained.
P
N
Fig. 96 – Water Separator
5. Drain water from the water seperator:
a. Position a suitable collection container
underneath the water separator drain.
b. Turn the fuel shut-off valve lever (P) on the
water separator to the OFF position.
c. Loosen drain plug (N) at the bottom of the
water separator. Allow water to drain until
indicator ring falls to the bottom of the cup.
NOTE:
If the water does not drain well, loosen
vent plug (O).
Printed in U.S.A.
ON
OFF
O
M
d. Tighten drain plug (N) and discard fuel/
water according to environmental laws.
IMPORTANT:
Dispose waste fuel according to
environmental laws. DO NOT pour fuel onto the
ground or down a drain.
e. Turn the fuel shut-off valve lever (P) on the
water separator to the ON position. Tighten
vent plug (O), if it was loosened.

Changing Fuel Filter

NEVER service the fuel system while smoking,
while near an open flame, or if the engine is hot.
Replace the fuel filter annually, or after every 500
hours of use.
IMPORTANT:
The fuel filter change interval
should be 250 hours when the available fuel has a
sulfur content greater than 2000 ppm.
1. Perform the "Mandatory Safety Shutdown Pro-
cedure" on page 16.
2. Wait until the engine has cooled. See
"Maintenance and Service Safety Practices" on
page 21.
3. Open the engine cover "Engine Access" on
page 103.
4. Turn fuel shut-off valve lever (P, Fig. 96) on the
water separator to the OFF position.
5. Remove the fuel filter (Z, Fig. 97), using a filter
wrench if necessary. Carefully clean the filter
head mounting surface with a clean cloth.
111
Maintenance
WARNING
918468/EP0313