Lanair HI320 - Manual (Page 59)

No
Is the Quad Ring inside the adaptor leaking?
Yes
Yes No
Replace adaptor. Replace diaphragm.
Is the 7/16 OD Nozzle
Quad Ring damaged/leaking? Yes Replace Quad Ring and or nozzle.
No
Is the Nozzle plugged?
Yes Clean nozzle. Note: air and oil preheaters
may need internal cleaning.
No
Remove diaphragm assembly
Remove plunger and clean. Note: Air and
and adaptor from air preheater, No oil preheaters may need internal cleaning.
Does HEX plunger move in
and out freely?
Yes
Does the 1/4" Dia. heating
element have an internal
No Replace 1/4" Dia. heating element.
resistance of 37 OHMS, ±10%,
room temperature?
Yes
Does the 3/8" Dia.. heating
element have an internal
No Replace 3/8" Dia. heating element.
resistance of 32 OHMS, ±10%,
at room temperature?
Yes
Contaminated fuel, use approved
fuels free of water, anti-freeze and
gear lube only.
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