Maintenance
Printed in U.S.A. 137 50940411/G0219
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:
Tier 4 Engines: The fuel filter
change interval should be 250 hours when the
available fuel has a sulfur content greater than 15
ppm.
IMPORTANT: interim Tier 4 Engines: The fuel
filter change interval should be 250 hours when the
available fuel has a sulfur content greater than 500
ppm.
1. Perform the “Mandatory Safety Shutdown Pro-
cedure” on page 20.
2. Wait until the engine has cooled. See
“Maintenance and Service Safety Practices” on
page 25.
NOTE:
On Model RT250 machines, the fuel fil-
ter is located under the ROPS/FOPS, on the left
side beneath the fuel tank. On all other
machines, the fuel filter is located on the left side
of the engine.
3. On Models RT175/RT210:
a. Open the engine cover according to “Engine
Access” on page 126.
b. Turn fuel shut-off valve lever (P, Fig. 141)
on the water separator to the OFF position.
4. On Model RT250:
a. Lift the ROPS/FOPS according to “Raising
ROPS/FOPS” on page 148.
5. Remove the fuel filter (Z, Fig. 142), using a filter
wrench if necessary. Carefully clean the filter
head mounting surface with a clean cloth.
NOTE:
On Models RT175 and RT210, the fuel
filter is accessed through the oil drain plug access
panel (Fig. 127).
6. Apply a coating of clean diesel fuel on the new
fuel filter gasket. Install the filter and tighten 3/4
rotation past the point where the gasket contacts
the filter head.
7. Models RT175/RT210: Turn shut-off valve on
water separator to ON.
8. Model RT250: lower the ROPS/FOPS
according to “Lower ROPS/FOPS” on page 149.
9. Prime the fuel system by turning the ignition key
to the ON position without starting the engine
for 30 seconds.
Do not use the starter motor to crank the engine
to prime the fuel system. Damage to the engine
starter motor, coils, pinion/ring gear could
result.
RT175/RT210
Fig. 142 – Engine Fuel Filter
Model RT250
Z
Z
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