Troubleshooting
309414N 11
Pump is difficult to prime
continued
Paint is too thick Thin the paint according to the supplier’s rec-
ommendations
Engine speed is too high Decrease throttle setting before priming pump.
Manual 309413.
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
load
Misadjusted throttle setting Reset throttle to 3700 engine rpm at no load
Worn engine governor Replace or service engine governor
Gallon counter not working Broken or disconnected wire Check wires and connections. Replace broken
wires.
Bad sensor Replace sensor
Missing magnet Replace magnet. Locate in correct spot.
Sprayer operates, but dis-
play does not
Bad connection between control
board and display
Remove display and reconnect
Display damaged Replace display
Distance counter not operat-
ing properly
Trigger sensor not set correctly See “Spray icon does not show on display
when fluid is sprayed”
Bad wiring connections Check connector, and reconnect
Distance sensor not spaced correctly
from gear
Adjust space between sensor and gear to .050
/+ .020
Distance and gear not aligned Remove tire, and press in or pull out gear to
align sensor and gear.
Gear teeth missing or damaged. Replace distance gear/wheel
Wire cracked or broken Replace sensor
Mils not calculating Distance sensor See “Distance counter not operating properly”
Trigger sensor See “Spray icon does not show on display
when fluid is sprayed”
Gallon counter See “Gallon counter not working”
Bad or damaged control board Replace control board
Fluid spray starts after spray
icon is shown on display
Interrupter (213) is improperly posi-
tioned
Turn screw (215) counterclockwise until spray
icon synchronizes with fluid spray
Fluid spray starts before
spray icon is shown on dis-
play
Interrupter (213) is improperly posi-
tioned
Turn screw (215) clockwise until spray icon is
synchronized with fluid spray
Spray icon does not show
on display when fluid is
sprayed
Loose connector Check that 5-pin connector and reed switch
are properly connected
Interrupter (213) is improperly posi-
tioned
Turn screw (215) counterclockwise until spray
icon synchronizes with fluid spray
Reed switch assembly (207) is dam-
aged
Replace reed switch assembly (207)
Magnet on assembly (207) is missing Replace reed switch assembly (207)
PROBLEM CAUSE SOLUTION
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