User's Manual

Troubleshooting
3A0232R 27
Catalyst is present
but no resin
No resin Check material fluid level
Trigger clamp out of phase 1) Adjust Trigger Clamp, page 29
2) Adjust Actuator Pin Adjustment Screws,
page 31
Catalyst pump in bypass Turn on and make ready to spray
Actuator adjustment screw missing Replace then perform Adjust Actuator Pin
Adjustment Screws, page 31
Trigger worn Inspect and replace if necessary
Actuator pin worn Inspect and replace if necessary
Trigger clamp assembly loose Inspect and torque as specified, see Adjust
Trigger Clamp on page 29
Hardened material in the needle/seat area Remove needle assembly, clean and replace if
necessary
Catalyst pressure
drops on initial trig-
ger
Trigger clamp not opening evenly 1) Adjust Trigger Clamp, page 29
2) Adjust Actuator Pin Adjustment Screws,
page 31
Material continues to
spray after trigger is
released
Foreign object under trigger clamp Clean and replace if necessary
Overspray on trigger clamp pins Clean and lubricate
Actuator pins sticking Clean and replace if necessary
Needle packing too tight Check and adjust needle packing tension,
see Adjust Needle Packing Tension on
page 30
Material spraying out
AAC ports
Retaining ring not tight Tighten retaining ring
Cut or missing internal mix diffuser o-ring Inspect and replace if necessary
Cut or missing external mix check valve
o-ring
Inspect and replace if necessary
Internal mix check valve seat missing or
damaged or not tight
Inspect and replace if necessary
External mix check valve seat missing or
damaged or not tight
Inspect and replace if necessary
Material not mixed External mix catalyst tips plugged Clean and replace
Atomizing air pressure too low Adjust
Static mixer missing Replace, see Replace Internal Mix Element
on page 34.
Static mixer worn Inspect and replace if necessary, see Replace
Internal Mix Element on page 34.
Incorrect static mixer Replace if necessary, see Replace Internal
Mix Element on page 34.
AAC does not func-
tion
Air supply to gun is shut off Open air supply
Air regulator set incorrectly Adjust
Ports plugged Clean air capped or replace
AAC needle valve closed (external mix) Open AAC needle valve
Trigger clamp assembly loose Adjust Trigger Clamp, page 29
Problem Cause Solution