GREAT PLAINS QM240 Manuale d'uso - Pagina 6
Sfoglia online o scarica il pdf Manuale d'uso per Strumenti di misura GREAT PLAINS QM240. GREAT PLAINS QM240 16. Positive displacement fuel meter
Stampa la paginaSymptom
A� Meter counter does
not operate� (Normal
fuel flow)
B� Meter counter does
not operate�
(Little or no fuel flow)
C� Fuel leakage�
6
TROUBLESHOOTING
Probable Cause
Broken counter
assembly�
Counter alignment
Foreign material in
counter assembly�
Missing or worn bevel
gear�
Clogged strainer in
meter inlet�
Jammed rotors from
foreign material in rotor
assembly�
Other system
components
malfunctioning�
Leakage between
coverplate and housing�
Leakage at fittings
Leakage at threads�
Corrective Action
Replace counter�
Look for loose or
missing fasteners, bent
or misaligned parts�
Remove and clean
counter assembly�
Replace bevel gear�
Clean or replace
strainer
Remove and clean rotor
assembly�
Check all system
components tank to
nozzle for clogs and/or
malfunctions� Repair as
necessary�
Remove coverplate and
inspect for damaged,
missing or incorrectly
seated seal� Replace
as required�
Remove fittings and
inspect for damaged,
missing or incorrectly
seated seals� Replace
as required�
Remove meter and
reseal all threaded
connections with thread
tape or pipe thread
sealing compound
approved for use with
flammable liquids�