
29
PI-120
March 2020
Section 7: Troubleshooting
7.0 FXG2 TORNADO GUN TROUBLESHOOTING
Problem
Possible Cause
Remedy
Barrel won’t spin/
spins too slow
Air pressure too low
Increase pressure to ≥
90 psi
Air volume insufficient Increase volume to ≥
20 cfm
Air drill internals dam-
aged/corroded from
water in air
Replace worn part
Leaks in air lines
Repair leaks
Belt damaged
Replace belt
HP seal bushing galled
on swivel shaft
Return for service
or polish shaft and
replace HP seal and
bushing
Swivel bearings dam-
aged
Replace bearings
Barrel bushings worn
Replace bushings
Barrel bent
Replace barrel
Gun gets warm
Leaking HP seal
Replace seal
Supply water too hot
Use cooler water
Water leaks
Bad connection at
nozzle head or swivel
shaft
Tighten or replace
button seal
Weep hole leak
Replace HP seal
Barrel vibrates
Barrel bent
Straighten or replace
Bushings worn
Replace bushings
Nozzles worn
Relace nozzles