Troubleshooting - Graco PrecisionMix 223-859 Instructions-Parts List Manual

Manifold
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Troubleshooting
. . - . I . . . . . -
Installing, troubleshooting and servicing this equipment requires access
to parts which may cause electric
shock or other serious injury if the work is not performed properly. Do not install, troubleshoot, or service this
equipment unless you are trained and qualified. All wiring and electrical troubleshooting must
be done by a
qualified electrician. Always disconnect power to the PrecisionMix before cleaning or servicing.
To reduce the risk of serious injury, including fluid injection or splashing fluid or solvent in the eyes or on the
skin, always follow the Pressure Relief Procedure on
page 2 before checking, adjusting, cleaning, or servic-
ing any part of the system.
'ROELEM
iystem shuts itself down
vhen running.
LUSE
Paint supply tank($ empty.
No
air pressure (or low pressure)
in fluid supply tanks.
Fluid pressure regulator shut off
(or set too low).
'
Check valve clogged.
Fluid filter element dirty.
Flow meter dirty.
Flow meter not operating properly.
Cable disconnected or broken
compartment.
between flow meter and electrical
Clogged spray gun.
.
Air leak in lines between air flow
switch and gun.
.
Valve seat leakage.
.
Fluid leak between flow meter and
valve.
.
Tirner(s) set for too short a time.
.
Ratio set improperly.
SOLUTION
1. Refill supply tank@).
2. Bleed air from lines.
3. Increase air pressure, or check the
valves and regulators in the supply
lines. Adjust the regulator.
4. Remove and clean.
5.
Remove and clean.
6.
Remove and clean.
7. Remove and repair.
E.
Reconnect or replace cable.
9. Clear spray gun.
10. Check and repair.
11. Service valve seat.
12. Check and repair.
13.
Change setting.
14.
Chanae settina.
14
308-288

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