5
-3
MAINTENANCE
Check the fuel lines after every 100
hours of operation.
1. Check and tighten all hose clamps.
2. Check and replace rubber fuel
lines and clamps as needed. Re-
place hoses and clamps every 2
years regardless of engine usage.
3. Bleed air from the fuel system af-
ter service.
Plug ends of open fuel lines
during service to prevent dirt
and other contaminants from
entering and damaging the fuel
system.
REPLACING THE FUEL FILTER
(1) Fuel cock
(2) Fuel fi lter container
(3) O-ring
(4) Filter element
(5) Spring
(6) O-ring
T91OA26A
(7) Filter container
(8) Screw ring
(A) Close
(B) Open
(C) Bleeder
1. Replace the fuel fi lter cartridge ev-
ery 400 hours.
2. Apply a thin layer of fuel oil on the
gasket. Install and hand-tighten.
Replacing the fuel fi lter period-
ically will significantly reduce
injection pump and fuel injec-
tor wear.
IMPORTANT
IMPORTANT
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