H I G H P R E S S U R E P O R T A B L E F O R C E D A I R H E A T E R S E R V I C E M A N U A L
17
F. Fuel line leak on suction side of
pump
Check all fuel lines on the suction side of the
pump for tightness. An air leak in one of these
fittings can allow air to enter the system. This
will result in improper pump pressure.
G. Dirty or damaged nozzle
Follow steps under DIRTY OR DAMAGED
NOZZLE, procedure “D” on page 13.
Figure 23 - Removing Fuel Filter
H. Dirty fuel filter
The fuel filter at fuel pump is housed in the
fuel filter canister.
1. Remove canister bottom from canister
top.
2. Remove fuel filter from canister bottom.
3. Inspect canister bottom and fuel filter for
water or accumulated dirt.
4. Rinse canister bottom in clean kerosene.
5. Wipe dry with a clean cloth.
6. If fuel filter is dirty and made of wire mesh,
clean it thoroughly in clean kerosene.
7. If fuel filter is dirty and made of fiber,
replace with new fuel filter and gasket.
Figure 22 - Fuel Line Check Points
