PROBLEM
Motor will not turn on.
Unit will not prime
Pump builds pressure but will not
shut off
Paint leaking front wet cup
Pump output is low
NOTE:
Before performing any inspection or repair follow the pressure relief procedure. Never attempt to do any
service or repair while the unit is plugged in or under pressure.
WHAT TO CHECK
1.
Unit not plugged in.
2.
Pressure set too low
3.
Circuit breaker open
1.
Inlet tube is loose
2.
Inlet screen clogged
3.
Inlet ball stuck
4.
Outlet ball stuck
1.
Inlet ball or seat obstructed or
chipped
2.
Outlet ball or seat obstructed or
chipped
3.
Prime valve leaks.
1.
Inspect upper packing.
1.
Spray tip worn
2.
Lower or Upper ball worn
3.
Prime valve worn
REMEDY
1.
Plug unit in.
2.
Increase pressure
3.
Check breaker and reset if
needed.
1.
Check o-ring and tighten
siphon hose
2.
Check inlet screen clean or
replace
3.
Remove siphon hose assy and
move inlet ball with pencil.
4.
Remove siphon hose and foot
valve and use pencil to move
outlet ball.
1.
Clean or replace if needed
2.
Clean or replace if needed
3.
Replace Prime Valve if coating
leaks while under pressure.
1.
Replace if needed
1.
Inspect tip by checking fan
pattern width. If worn replace
2.
Inspect lower and upper ball
for damage. Replace if
damaged or worn.
3.
If prime valve leaks while
spraying clean or replace.