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Trouble Shooting Guide
Trouble
Probable Cause
Solution
Low power or low free speed
Low air pressure at the inlet
Check air pressure at the inlet. For top
performance and durability of parts, the air
pressure must be 150 psig (10.3 bar /1030
kPa) at the inlet.
Worn or broken Vanes
Install new set of Vanes
Improper lubrication or Dirt building up in
the Motor
Lubricate as instructed under LUBRICATION.
If this does not help, flush the Motor as
instructed under MAINTENANCE.
Rough operation
Worn or broken Rotor Bearings
Examine each Bearing. Install new bearing
where necessary.
Scoring of End Plates and/or Cylinder
Rotor does not have proper clearance
Motor must be refurbished.
Summary of Contents for MVA017B/VSM-5842
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