Troubleshooting - Graco 25A187 Operation - Repair - Parts

Fine finish hvlp
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Troubleshooting

Problem
No fluid delivery
Sprayer not starting
Poor atomization
Circuit breaker trips
313753J
Cause
No material, no remote cup pressur-
ization, hose or pickup tube clogged
No power
Dirty filter
Extension cord too long
Hose too long
Filter clogged
High ambient temperature
Excessive current draw
Troubleshooting
Solution
Check cup for material
Check for leaks at the container gas-
ket (1-quart remote cup cover).
Tighten cover if loose.
Check air flow (approximately 1/4
CFM) from male quick-disconnect at
Compact outlet.
Turn pressure regulator clockwise.
Look for pressure on gauge. (If no
pressure on gauge, check air line fit-
tings.)
Check hole in 1-quart remote cup
cover at needle valve for blockage or
dirt. Clean if necessary.
Check for obstructions.
Check if fluid pickup tube is loose.
Tighten.
Blow out and clear material hose.
Clean check valve. See manual.
Check outlet for power. Cycle red
rocker switch.
Check that correct IEC (modular)
cord is used and plugged in.
Check circuit breaker (38). Push to
reset.
Clean filter and replace as neces-
sary.
Extension cord must be 3-wire, 12
AWG, 50 ft (15 m) or shorter.
Replace with shorter hose. See
Graco Fine Finish Solutions brochure
for hose part numbers.
Clean filter and replace as necessary
Move sprayer to cooler area.
Return to authorized service center.
9

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