14
15
SOLUTION
Refill the supply container.
Check for loose connections on the
siphon assembly, tighten, then reprime pump.
Tighten just enough to stop leakage.
Replace the packings. See pages 18-20.
Replace Piston Rod
Increase the pressure. See page 9.
See Troubleshooting pg. 23.
Service the pump. See page 16-20.
Increase the pressure, see page 9.
Remove the tip and/or filter and clean them.
Replace Tip.
Clean the filter.
Use a larger diameter hose.
Service the inlet valve see page 16
Service the outlet valve per
page 16.
Replace the packings. See page 18-20.
See Troubleshooting page 23.
Call Authorized Service Center.
Refer to Engine Manual.
FIELD TROUBLESHOOTING
PROBLEM
There is spitting from
the gun.
Paint leaks into the
wet cup
The engine operates, but
the paint pump doesn't
cycle.
The engine and displace-
ment pump operates, but
paint pressure is too low or
none
The displacement pump
operates, but the output is
too low on the downstroke
or both strokes.
The displacement pump
operates, but the output
is too low on the upstroke.
Clutch does not engage.
Clutch slippage.
Engine stops
CAUSE
The fluid supply is low or empty.
Air entrapped in the fluid pump
or hose.
The packing nut/wet cup is loose.
The upper packings are worn
or damaged.
Worn Piston Rod.
The pressure setting is too low.
The clutch is not engaged.
The displacement pump is seized.
The pressure setting is too low.
The tip or gun filter is clogged.
The tip is worn.
The fluid displacement pump
filter is clogged.
There is a large pressure drop
in the fluid hose.
The inlet valve ball
is not seating properly.
The outlet valve ball is not
seating properly.
The lower packings are worn or
damaged.
