Nexen STC600 927270 - Manual (Page 8)

8 FORM NO. L-20294-E-1209
TROUBLESHOOTING
SYMPTOM PROBABLE CAUSE SOLUTION
Failure to engage.
Air not getting to the STC. Check for a control valve malfunction
or low air pressure.
Failure to disengage. Unexhausted air. Check for a control valve malfunction.
Friction Facing squeal or
chatter.
Air pressure too high. Reduce the air pressure.
Wrong Friction Facings for the application. Replace the Friction Facing with
correct facing for the application.
Wobble or vibration.
Shaft misalignment. Inspect the shaft and realign it if
necessary.
Drive
Ring
Piston
Guide
Ball
Bearing
End cap
Piston
Diaphragm
Cylinder
Shroud
Rotor
Pilot Mount
Drive Disc
Ball
Bearing
Hub
Return
Spring
Key
O-Ring
Friction
Facing
FIGURE 4
STC600