Operating Instructions
1-9DEZ
Mechanical Troubleshooting
August 2005
10.1 Mechanical Troubleshooting
WARNING: ALL OPERATORS AND MAINTENANCE PERSONNEL
SHOULD READ AND UNDERSTAND ALL OF THE OPERATING
INSTRUCTIONS PRIOR TO OPERATING OR MAINTAINING THE 1-
9DEZ. FAILURE TO ADHERE TO THESE RECOMMENDATIONS COULD
RESULT IN EQUIPMENT DAMAGE, SERIOUS INJURY OR DEATH.
Trouble Possible
Cause
Remedy
Excessive vibration -
usually indicates that the
blast wheel is out of
balance. This condition
will eventually cause
bearing failure in the
motor or bearing unit.
a.
Unevenly worn
wheel.
b.
Chipped, broken
blades.
c.
Wheel not seated
correctly on drive hub
a.
Replace wheel kit. Check
separator and ventilation system.
b.
Chipped or broken blades will
permanently unbalance the blast
wheel and can cause damage to
other components. Change
wheel kit immediately.
c.
Reinstall blast wheel
Excessive noise -
usually indicates
misaligned components
which causes premature
wear and component
failure.
a.
Improper clearances
or alignments between
rotating parts, usually
the control cage and the
blast wheel.
a.
Check alignment of control
cage and wheel. Allow sufficient
clearance between rotating parts.
Excessive wear on blast
housing rebound
chamber/liners.
a.
Improper setting of
control cage.
a.
Abrasive is being misdirected
into internal components instead
of work area. Check blast
pattern and readjust.
Abrasive leakage.
a.
Improper sealing.
b.
Feed spout
c.
Improper control cage
setting.
d.
Abrasive valve
setting
a.
Check all seals for wear and
proper height setting.
b.
Check feed spout alignment
and rubber seal.
c.
Abrasive rebounding from side
of machine. Check blast pattern.
d.
Be sure abrasive valve closes
when handle is released.
Readjust if necessary.
39
Summary of Contents for 1-9 DEZ
Page 1: ...MODEL 1 9 DEZ 8 17 05...
Page 4: ...i...
