Troubleshooting - Graco RTX5000 Operation, Parts

Troubleshooting

Problem
Sprayer won't run
Pump won't pump material
Material runs out of bottom of
sprayer
No air from compressor
3A3265A
1.
2.
Cause
Power switch not on
No power at wall outlet
Wrong size generator
Circuit breaker tripped
Air lock
Mix too thick
Loose fittings
Plugged gun
Pump hose worn out
Pump cold
Pump hose worn out
Loose fittings
control
Gun air valve closed
Low voltage
Gun needle plugged
Worn compressor
Loose belt
Broken belt
Lines not connected
Damaged hose.
Troubleshooting
Follow Pressure Relief Procedure,
page 8, before checking or repairing.
Check all possible problems and causes
before disassembling the unit.
Turn switch on.
Check outlet by plugging in
another appliance. If appli-
ance does not work, try
another outlet.
Use a 7500 watt or larger gen-
erator. Refer to Generator
Requirements, page 8.
Reset breaker.
Open air
Add water to thin material. Use
Material Thickness Gauge.
Check and retighten all fittings.
Perform Pressure Relief Pro-
cedure, page 8. Remove gun
from hose. Clean gun.
Replace hose. Recommended
hose replacement - once every
year.
Move pump to warm room and
allow it to warm up or run hot
water through sprayer.
Replace hose.
Check and retighten all fittings.
Open gun air
Check extension cord length
and gauge. Replace if differ-
ent than recommended. Refer
to Grounding and Electrical
Requirements, page 8.
Clean needle and retry.
Replace compressor. Contact a
qualified Graco Service Center.
Tighten belt by adjusting com-
pressor
Replace belt
Check all quick disconnect
connections to gun and hoses.
Replace hose.
Solution
control
valve on gun.
control
valve.
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