Xtreme
TROUBLESHOOTING GUIDE
202745
REV 1.0: January 4, 2021
19
TROUBLESHOOTING GUIDE
PROBLEM
POSSIBLE CAUSE
SOLUTION
PCT not flush with
Gun Block when Gun
is triggered
Insufficient air pressure (minimum 90 psi, 6.2 bar)
Ensure 90 psi (6.2 Bar)
Failed Spool Valve
Replace, see page 16
Air passages plugged
Clean, See page 18
Material does not
spray when Gun is
triggered
Lock is in “Locked” position
Unlock gun
Air supply is not on
Turn on air supply
Manual Valve CLOSED
OPEN, see page 7
Mixing Chamber inlet orifices plugged
Clean, see page 11
Side Seal orifices plugged
Clean, see page 13
Check Valve plugged
Replace
Mixing Chamber
moves slowly
Failed Spool Valve
Replace, see page 17
Insufficient air pressure (minimum 90 psi, 6.2 Bar)
Ensure 90 psi (6.2 Bar) of air
pressure
Piston assembly requires service
Rebuild, see page 14
Air passages plugged
Clean, see page 18
Mixing Chamber
moves slowly, then
normally
Reacted material around Side Seals
Inspect Side Seals, Mixing
Chamber and clean, see
pages 11, 13
Pattern deformation
Incorrect chemical temperature
See Proportioner Manual
Mixing Chamber nozzle and/or PCT dirty
Inspect and clean
Material spray
pressure imbalance
Mixing Chamber inlet orifices plugged
Clean
Side Seal orifices plugged
Clean, see page 13
Dirty screens
Replace
Material temperatures not as recommended by
material supplier
Adjust, see Proportioner
Operating Manual
Iso and/or Resin in
Gun Air Passages
Side Seal damaged
Replace, see page 13
Mixing Chamber damaged
Replace, see page 11
Side Seal/ Screen Screw O-rings damaged
Replace, see page 13
Material mist from
Mixing Chamber or
PCT
Side Seal damaged
Replace, see page 13
Mixing Chamber damaged
Replace, see page 11
Side Seal/Screen Screw O-rings damaged
Replace, see page 13
Excessive
overspray
Material temperatures and/or spray pressures not as
recommended by material supplier
Adjust, see Proportioner
Operating Manual
Buildup of material
on PCT
Plugged air passages in PCT and Gun Block
Clean, see page 11
Air leakage from
Handle
Air Cylinder O-rings damaged
Replace, see page 38
Spool Valve Damaged
Replace, see page 16