(2) Connect fuel pressure gage to output port of
(c) Refill tank with fresh fuel. Use No. 1
(3) Turn engine switch to RUN position.
operation above 32F.
Pressure gage should register 6-7 psi.
Servicing Fuel Filters. Service primary fuel filter
and electric fuel pump filters after every 600 hours.
(4) Replace defective pumps.
Service secondary fuel filter after every 3000 hours.
Service filters sooner if loss of power is indicated. Service
first the fuel pump filters and then the primary and
Drain plug on fuel filters can take only a
(a) Place a suitable container under pump
limited amount of torque. Use two wrenches
to collect any fuel that will spill from fuel pump.
in combination for breaking plugs loose and
for final tightening.
(b) Use a wrench to turn bottom cover
(1) Draining Water From Fuel System.
(a) Daily, drain water from both fuel filters.
bottom of filter. Allow fuel to drain until clear of water.
Tighten drain plug.
(b) If fuel system is badly contaminated with
water, drain water and fuel from tank (step (2)).
(2) Draining Fuel Tank.
(a) Place a suitable container under fuel
(b) Flush tank with clean diesel fuel and
replace drain plug.
Dry cleaning solvent P-D-680 is toxic and
flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated
area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO
NOT use near open flame or excessive heat.
The solvent's flash point is 100F-138F
(38C-59C). If you become dizzy while
using cleaning solvent, immediately get fresh
air and medical help. If solvent contacts eyes,
immediately wash your eyes with water and
get medical aid.
(c) Remove filter, magnet, and cover
gasket. Replace filter or clean in dry cleaning solvent
Install magnet, new gasket, filter, and tighten cover.