Graco RS - Troubleshooting

Troubleshooting
3A0232ZAA 25
Troubleshooting
See the troubleshooting procedures beginning on page
29 for additional troubleshooting help.
Problem Cause Solution
Catalyst leaking Trigger clamp assembly slipped See Fluid Leaking from Front of Gun on
page 29.
Catalyst hose loose Inspect and tighten
Catalyst fitting loose Inspect and tighten
Locking ring loose Clean and tighten
Air cap catalyst post o-ring damaged or
missing
Inspect and replace if necessary
Catalyst check valve housing o-rings miss-
ing or damaged
Inspect and replace if necessary
Needle assembly o-ring damaged or miss-
ing
Inspect and replace if necessary
Needle packing loose See Fluid Leaking from Under Trigger
Clamp Assembly on page 30
Valve seat worn or damaged Inspect and replace if necessary
Valve seat seal damaged Inspect and replace if necessary
Resin leaking Trigger clamp assembly slipped or mis-
aligned
See Fluid Leaking from Front of Gun on
page 29.
Resin hose loose Inspect and tighten
Resin fitting loose Inspect and tighten
Locking ring loose Clean and tighten
Air cap catalyst post o-ring damaged or
missing
Inspect and replace if necessary
Resin check valve housing o-rings missing
or damaged
Inspect and replace if necessary
Needle assembly o-ring damaged or miss-
ing
Inspect and replace if necessary
Needle packing loose See Fluid Leaking from Under Trigger
Clamp Assembly on page 30
Valve seat worn or damaged Inspect and replace if necessary
Valve seat seal damaged Inspect and replace if necessary