Troubleshooting - Graco PT2500 Instructions-Parts List Manual

WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
follow the illustrated Pressure Relief
Procedure warning on page 8 when-
ever you are instructed to relieve pressure.
NOTE: Repairs, other than those for which instructions
are given on page 19, should be performed by a trained
and qualified repair agency.
PROBLEM
Poor spray pattern
Spray gun won't shut off
Spray gun leaks
Spray gun won't spray, or low
output from gun
Sprayer will not start
Motor runs but sprayer won't run

Troubleshooting

NOTE: If your sprayer is not operating well, or will not op-
erate at all, check for obvious problems first. Follow the
Startup procedure exactly (see page 8). Then if the
sprayer won't start, use the Troubleshooting Chart for
help in identifying the possible cause.
NOTE: Remember, taking the time after each use of the
sprayer to perform all of the maintenance procedures
given on pages 12, 13, and 14 will help prevent down time
and costly repair bills.
CAUSE
Spray tip worn
Paint too thick
Worn ball
Worn diffuser
Paint build-up between needle and
diffuser
Worn seal or loose fluid fitting
Paint supply empty
Spray tip clogged
Gun filter, if used, is clogged
Sprayer not plugged in
ON/OFF switch turned off
Sprayer left pressurized when shut
off
Motor overheated
Blown building fuse or circuit
breaker tripped
No voltage or low voltage in
electrical outlet
Damaged power supply cord or
extension cord, or wrong type of
extension cord
Starter switch (18a) damaged
Motor worn or damaged
Air in diaphragm housing
SOLUTION
Change tip
Thin, try larger tip
Repair gun; order kit no. 218–588
Replace gun
Disassemble and clean gun
Repair gun; order Kit no. 218–588;
tighten fluid fitting.
Refill and reprime system.
Use Reverse-A-Clean feature to
clear tip clog; see page 10
Clean or replace.
Plug in.
Turn switch on.
Relieve pressure first, then start.
Shut off, relieve pressure, allow to
cool
NOTE: Sprayer restarts automati-
cally when cool if it is left on
Replace or reset
Test the outlet or try plugging spray-
er into another outlet
Return for repair; use only 3 wire, 16
gauge (minimum) extension cord
with a 3 prong plug and a maximum
length of 100 feet (30 m).
Replace; see page 19.
Return for repair
Bleed air