Troubleshooting - Graco 217314 Instructions-Parts List Manual

WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 8.
Problem
No pressure regulation
Fluid leaks from under cap
Pressure creeps above setting
Pressure drops below setting

Troubleshooting

Before servicing this equipment always make sure to
Relieve the Pressure.
Check all possible remedies in the Troubleshooting
Chart before disassembling the fluid regulator.
Cause
Damaged or clogged air regulator or
line (214980 only)
Damaged diaphragm (22)
Loose cap (7)
Worn gasket (26)
Damaged or clogged air regulator or
line (214980 only)
Damaged diaphragm (22)
Seat leaking (16)
Damaged or clogged air regulator or
line (214980 only)
Empty/clogged supply line
Clogged air spray gun or fluid dis-
pensing valve.
Using regulator beyond its rated flow
capacity, see the Technical Data on
Page 22.
Solution
Clear obstruction in line, service regu-
lator if necessary.
Replace diaphragm.
Tighten screws (1) in sequence
shown in Service section.
Replace gasket.
Clear obstruction in line, service regu-
lator if necessary.
Replace diaphragm.
Replace ball (20), seat, and gasket
(15).
Clear obstruction in line, service regu-
lator if necessary.
Fill/flush supply line.
Replace, see gun or valve manual for
service instructions.
Install additional regulators.
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