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309412 7
Troubleshooting
PROBLEM CAUSE SOLUTION
Engine speed is too high Decrease throttle setting before priming pump.
Manual 309408.
Clutch squeaks each time
clutch engages
Clutch surfaces are not matched to each other
when new and may cause noise
Clutch surfaces need to wear into each other.
Noise will dissipate after a day of run time.
High engine speed at no
l
o
a
d
Misadjusted throttle setting Reset throttle to 3700 engine rpm at no load
l
oa
d
Worn engine governor Replace or service engine governor
Gallon counter not working Bad sensor, broken or disconnected wire Check connections. Replace sensor or wire.
No display, sprayer operates Display damaged or has bad connection Check connections. Replace display.
Clutch squeaks each time
clutch engages
Clutch surfaces are not matched to each other
when new and may cause noise
Clutch surfaces need to wear into each other.
Noise will dissipate after a day of run time
Engine stalls
Engine speed is to slow D Increase throttle setting
D Adjust engine speed at no load to 3750 --
3850 rpm
Fluid filter is clogged Relieve pressure and clean filter
Too much pump friction (new pump) Reduce pressure to 3000 psi until pump wears
in
Spark plug wire is loose Reconnect wire