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SPCL36104-S Suction System
10.0
OPERATIONAL PROBLEMS AND SOLUTIONS
The following recommendations may help locate and solve system problems.
10.1
SYSTEM WILL NOT START
1.
Main Electric Disconnect open.
2.
Blown supply fuse.
3.
Blown control fuse.
4.
Tripped Blower Motor Starter and/or Blower Motor bad.
10.2
NO BLAST
1.
Main air supply valve off.
2.
Individual nozzle air valve off.
3.
Blast Pressure Regulator set to zero.
4.
Air jet plugged.
5.
“BLAST” selector switch “OFF”.
6.
Faulty solenoid.
7.
Door open or limit switch not made.
10.3
BLAST AIR WITHOUT MEDIA
1.
Storage Hopper is empty. Must be ½ full minimum.
2.
Damp media.
3.
Media hose is out of Media Regulator, hole in hose, or hole in suction gun.
4.
Media hose not inserted to proper air gap in Media Regulator.
5.
Media hose not installed or sealed in Suction Blast Gun.
6.
Worn nozzle air jet.
7.
Hole in air jet.
8.
Media hose clogged.
10.4
BLAST WITH PARTIAL COVERAGE
1.
Low level in Storage Hopper.
2.
Damp media.
3.
Loose media hose in Media Regulator or Suction Blast Gun.
4.
Mandrel speed set incorrectly.
5.
Partially clogged nozzle.
6.
Low Blast Pressure.
7.
Nozzle direction adjustment.
8.
Media flow too rich.
10.5
MANDREL WILL NOT RUN
1.
Mandrel speed potentiometer set too slow.
2.
Door open or limit switch not made.
3.
Drive tension too light or chain has jumped off pulleys.
4.
Bearing failure.
5.
Internal adjustments on DC Motor Control Board (MIN, MAX, IR, CL, ACCEL,
DECEL). See Manufacturer’s literature.
6.
Blown control fuse.
7.
DC Motor Control Board failure.
