18
Machine Maintenance
Fuel Filter Change
The fuel filter (photo A) should be
changed every 500 service hours, or as
needed. A plugged fuel filter can cause
loss of engine power, rough running, or
no start.
To change the filter:
1. Clean the outside of the filter
thoroughly.
2. Remove the spin-on filter and dispose
of properly.
3. Pour diesel fuel into new filter until it
is full.
4. Spin new filter in place and tighten.
Water Separator
The water separator (photos B, C) con-
sists of a fuel screen, a transparent bowl,
a shut-off valve and a red float indicator.
In normal fuel, the red float indicator
will remain on the bottom of the bowl.
When the red indicator is floating, there
is water in the bowl. In this case, shut
off the valve (UP position), remove the
bowl and dump out the water and
inspect the screen for rust and debris.
Fuel Specifications
In North America, diesel fuel, distilled
from crude oil, that is identified as No.
1-D or No. 2-D in “ASTM D975” gen-
erally meet the proper specifications.
A
C
B
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