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7
Troubleshooting Guide
Problem
Cause
Solution
Reduced or no
performance
Worn blast wheel or control cage
Replace worn items
Belt tension
Check and adjust belts
Valve does not close properly
Close valve, stop motor, re-adjust valve
Too much abrasive admitted
Motor must reach max. speed before opening valve
Feed motion too fast
Reduce speed
Motor is rotating in the wrong direction
Turn off control power; wait for motor to stop, then
turn FWD/REV switch to opposite position
Losing abrasive
Bad seals
Check base seals; readjust or replace
Elevation adjustment of magnets
Check elevation is no higher than 5/16” (8 mm)
Magents lost field
Replace magnets
Filter unit
Adjust reducing damper
Dumping or
losing abrasive
Poor abrasive quality
Use quality abrasives
Worn blast wheel or seals
Replace blast wheel or adjust/replace seals
Control cage is not correctly adjusted
Align notches to 9:00 and 11:00 position
Magnets at wrong elevation
Adjust elevation of magnets
Too much dust or sand in system
Check filter
Valve is opening too far and allowing too much
shot into the blast wheel, causing the Amp draw
to be over 25 Amps
Reset the valve opening so the maximum Amp draw
isn’t higher than 20 Amps on the meter
Blast valve is stuck open
Inspect and remove debris
Too much dust and other
particles in storage
Insufficient air flow towards filtration unit
Check rated performance of the dust collector
Check all seats
Check dust hose
Check differential pressure and replace filter ele
-
ments if pressure is too high
Motor does not start
Missing phase
Check power supply
Faulty switch or relays
Diagnosis and replacement by electrician
Emergency stop
Unlock emergency stop button
Motor stops during
operation
Current is too high
Disconnect plug
Power supply circuit breaker is disengaged
Reset circuit breaker or replace fuse
Motor is damaged
Check motor
Inconsistent blast pattern
Control cage out of adjustment
Inspect and adjust control cage
Blast wheel and/or control cage are worn
Replace blast wheel and/or control cage
Содержание 3397
Страница 1: ...Read Manual Before Servicing Machine 403058 Rev D 3397 SHOT BLASTER SERVICE MANUAL...
Страница 2: ......
Страница 13: ...Parts List and Diagrams 13 OVERVIEW...
Страница 14: ...Parts List and Diagrams 14 WHEEL DRIVE ASSEMBLY...
Страница 15: ...Parts List and Diagrams 15 WHEEL HOUSING ASSEMBLY...
Страница 16: ...Parts List and Diagrams 16 TRACTION DRIVE ASSEMBLY...
Страница 18: ...Parts List and Diagrams 18 BASE SEAL ASSEMBLY...
Страница 19: ...Parts List and Diagrams 19 REBOUND ASSEMBLY...
Страница 20: ......