Bleeding the fuel system
Bleeding the fuel system is necessary if any of the
following have occurred:
A) Replacing fuel filter.
B) After repairing or replacing any fuel hose.
C) Running out of fuel.
Bleeding the fuel system/the injection
pump:
A) Loosen the air bleed screw on the fuel pump and
turn the ignition key into starting position until all the
air bubbles are out.
B) When no more bubbles appear, re-tighten the air
bleed screw.
C) Loosen one of the nozzle pipes and turn the
ignition key into starting position until all the air
bubbles are out.
D) When no more bubbles appear, re-tighten the
nozzle pipe and start the engine.
Warning!
NNeevveerr bblleeeedd tthhee ffuueell ssyysstteemm wwhheenn tthhee
eennggiinnee iiss ssttiillll hhoott.. SSppiilllliinngg ffuueell oonn aa hhoott
eexxhhaauusstt mmaanniiffoolldd cca
ann ccaauussee ffiirree..
Warning!
AAllwwaayyss ssttoopp tthhee eennggiinnee bbeeffoorree
cchheecckkiinngg oorr rreeppllaacciinngg ffuueell hhoosseess..
DDaammaaggeedd ffuueell hhoosseess ccaann ccaauussee ffiirree..
Check the fuel hoses every 50 hours of
operation:
A) Check for loose clamps - lubricate the screw with a
little oil and retighten.
B) Replace any fuel hose or clamp found to be worn
or defective.
C) Bleed the fuel system after replacing fuel hoses.
Fuel filter
Airbleed screw on the fuel pump
Nozzle pipe
25
3. SERVICE AND MAINTENANCE
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