Troubleshooting – Nexen 5H60PSP-E 913059 User Manual
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9
FORM NO. L-20205-C-1209
TROUBLESHOOTING
Control Valve malfunction or low air pres-
sure.
Lack of lubrication on Hub Spline or in 
Air Chamber
Using rigid pipe or tubing for air line con-
nections.
Use of a rigid inline coupling mounted 
directly to the Drive Flange.
Lack of lubrication on Hub Spline or in 
Air Chamber.
Unexhausted air due to Control Valve 
malfunction.
Broken Return Springs.
Use of a rigid inline coupling mounted 
directly to the Drive Flange
Excessive engagement RPM or unin-
tentional disengagement due to torque 
overload.
Check system for air leaks or 
replace Control Valve.
Lubricate Hub Spline and check 
Air Chamber Lubrication.
Use flexible pipe or tubing for air 
line connections.
Use Nexen's Flexible Clutch Coupling.
Lubricate Hub Spline and check 
Air Chamber Lubrication.
Replace Control Valve.
Replace Return Springs.
Use Nexen's Flexible Clutch Coupling.
Contact Nexen for Clutch specifications.
Limit air pressure to 80 psi. Excessive air pressure increases the thrust load 
on the Bearings.
Stay within the maximum specified speed limits as specified in the "Air Champ" 
Catalog.
Use Nexen's Flexible Clutch Coupling for inline applications. Do not connect 
a rigid coupling directly to the Drive Flange.
Avoid applying excessive overhung loads to Pilot Mount Clutches. Wide pulleys 
or sprockets which extend beyond the end of the clutch will increase the radial 
load and reduce bearing life.
PROBLEM
PROBABLE CAUSE
SOLUTION
Failure to Engage
Failure to Disengage
Tooth Wear or Clicking Sound
Bearing Failure