9
ELECTRICAL SHOCK WARNING
To reduce risk of serious injury, including electric shock, do not touch moving or electrical parts with fingers or
tools while tes�ng repair. Shut off and unplug sprayer when inspec�on is complete. Install all covers, guards,
gaskets, screws and washers before opera�ng sprayer.
PROBLEM
WHAT TO CHECK
REMEDY
MOTOR WILL NOT TURN ON
1 - Unit is not plugged in.
2 - Pressure is set too low.
3 - The circuit breaker is open.
1 - Plug the unit in.
2 - Increase pressure.
3 - Check the breaker and reset if
needed.
UNIT WILL NOT PRIME
1 - Suction hose is loose.
2 - Suction filter is clogged.
3 - Inlet ball is stuck.
4 - Outlet ball is stuck.
1 - Check the o-rings and tighten the
suction hose.
2 - Clean or replace the suction filter
3 - Remove the suction hose and
move the inlet ball with the eraser end
of a pencil.
4 - Remove the suction hose and the
inlet valve. Move the outlet ball with
the eraser end of a pencil.
PUMP BUILDS PRESSURE BUT
WILL NOT SHUT OFF
1 - The inlet ball or seat are obstructed
or chipped.
2 - Outlet ball or seat are
obstructed or chipped.
3 - Prime valve is leaking.
1 - Clean or replace if needed.
2 - Clean or replace if needed.
3 - Replace the prime valve if coating
leaks while under pressure.
PAINT LEAKING FROM WET CUP
1 - Inspect upper packing.
1 - Replace upper packing if needed.
PUMP OUTPUT IS LOW
1 - The spray tip could be worn.
2 - The inlet or outlet balls are worn.
3 - Prime valve is worn.
1 - Inspect the tip by checking the fan
pattern width. If worn, replace.
2 - Inspect the inlet and outlet balls for
damage. Replace if worn.
3 - If the prime valve leaks while
spraying, clean or replace is worn.
NOTE:
Before performing and inspection or repair, make sure to follow the pressure relief
Procedure. Never attempt to do any service while the unit is plugged in or under pressure.
Summary of Contents for 600-830
Page 58: ...58 NOTES ...
Page 59: ...59 NOTES ...
