Troubleshooting - Graco RS Operation And Repair Manual

Troubleshooting

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