30
Excessive wear in blast
housing and rebound
plenum
Wrong abrasive.
Incorrect setting of the control cage.
Contact
Blastrac
.
The thrown abrasive blasts the housing
and not the surface to be blasted. Adjust
the blast pattern.
Machine is not moving
The travel speed is too low.
Blast head gets caught on the floor.
Drive unit broken / not connected
Increase the travel speed.
Shut the machine down and adjust the
height.
Check chain drive.
Blast wheel motor does
not switch on
Motor protection switch has triggered.
Check and switch on again. Check the
mains power supply.
Blast wheel motor
switches off during
operation
Safety fuse or fault current breaker has
triggered.
Connection cable is defective.
Cables connecting the units (travel motor,
etc.) are defective.
Motor protection switches have triggered.
Have the fault checked by an electrician.
Replace the cable.
Replace the cable(s).
Have the fault checked by an electrician.
Machine does not travel Fuse defective, short circuit in the travel
motor lead or tachometer lead, motor
defective.
Control unit defective.
Potentiometer defective.
Have the unit checked by an electrician.
Replace the control unit
.
Replace the potentiometer.
