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Problem: Motor will not run
Check Solution
Electrical supply- must match voltage Use correct outlet
on machine nameplate
Extension cord-check continuity Replace extension
Power supply cable-check continuity Replace cable
Carbon brushes Replace brushes
Bad switch Replace switch
Motor damage Replace or repair motor
Problem: Pump loses prime or will not prime
Check Solution
Low paint Rell
Clogged inlet strainer Clean
Loose suction pipe Tighten connection
Intake ball not seating Clean or replace
Problem: Motor cannot turn pump
Check Solution
Paint hardened in pump
Replace packings and clean all pump and lter parts
Paint frozen in pump Thaw pump
Problem: Pressure problems
Check Solution
Clogged tip or lter Relieve pressure and clean
Problem: Motor cannot maintain pressure
Check Solution
Oversized tip Use correct tip for spayer
Tip worn to become oversize Relieve pressure and replace tip
Problem:Low output
Check Solution
Worn tip Relieve pressure and replace tip
Worn packings Replace packings
Filter clogged Relieve pressure and Clean lter
Priming valve leaking Relieve pressure and repair valve
Suction pipe leaking or kinked. Correct kink, or tighten as needed
Low voltage correct problem, use shorter extension cord.
Pump runs on when trigger is released Service pump or tighten packing nut
Problem: Motor runs intermittently
Check Solution
Pressure set too high for the tip size Adjust to the correct pressure
Problem: Motor hot and overloaded
Check Solution
Packings too tight Properly adjust packing nut
Troubleshooting
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