A SERVICE OF

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TROUBLESHOOTING
PROBLEM REMEDY
Surging of blast flow?
Air pressure too low
Too much media
See “Lack of Air”
Adjust media valve
Excessive media consumption?
Media valve open too far
Air pressure too low
Close slightly
Check pressure gauge
Clogging and plugging of blast flow?
Debris in media
Media size too large
Nozzle plugs
Wet media
Purge & Screen
Use smaller grit size
Use large nozzle or Adjust media valve
Dry media, drain water from air
Moisture in abrasive media?
Wet media
Water in air
Water in tank
Change or use dry media
Drain water from air lines
Empty, dry out and refill
Humid weather?
Moderate humidity
Moderate humidity
High humidity
Keep media dry as possible
Use drier or moisture separator
Avoid that period of use if possible
Overtaxed compressor?
Compressor too small
Nozzle size too large
Too many leaks in air lines
Holes in abrasive hose
Air filter on compressor plugged
Restrict time used
Use smaller size
Seal & tighten air lines
Replace hose
Clean filter
Lack of air pressure?
Compressor too small
Supply valves not on full position
Nozzle size too large
Leaks in air lines
Holes in abrasive hose
Air filter on compressor plugged
Urethane gasket worn or dirty
Use smaller nozzle
Open valves
Use smaller size
Seal & tighten air lines
Replace hose
Clean filter
Clean or replace gasket
Lack of abrasive flow?
Blaster tank empty
Moisture in media
Not enough air pressure
Abrasive hose kinked
Debris in media
Fill tank
Dry media
Check system
Straighten
Clean or screen media