Nexen B-275 802874 - Manual (Page 10)

10 FORM NO. L-21026-E-1209
TrOuBleSHOOTInG
Pilot
Mount Disc
Friction Disc
Assembly
Piston Air
Filter
Air
Chamber
Retaining
Ring
Bearing
Retaining
Ring
Retaining
Ring
Bearing
Retaining
Ring Bearing
O-Ring
Seal
O-Ring
Seal
Spring
Retaining
Washer
Wave
Spring
Set Screw
Hub
Symptom Probable Cause Solution
Failure to engage
Air not getting to the B-275 due
to a control valve malfunction
Check for a control vlave malfunction or low air
pressure nad replace the control valve if
necessary.
Air leaks around the O-ring Seals Replace the O-ring Seals.
Lack of lubrication on the Hub
spline or in the Air Chamber
Lubricate the Hub spline with a thin film of Never
Seez® or check the air line lubricator settings.
Failure to disengage
Unexhausted air due to control
valve malfunction
Check for a control valve malfunction and
replace the control valve if necessary.
Lack of lubrication on the hub
spline or in the Air Chamber
Lubricate the Hub spline with a thin film of Never
Seez® or check the air line lubricator settings.
Broken Wave Spring Replace Wave Spring.
Loss of torque
Air leaks around the O-ring Seals Replace the O-ring Seals.
Worn or contaminated Friction
Facings
Replace the Friction Disc.
Excessive drag on the air line
Defective Ball Bearings Replace Ball Bearings.
Air line not properly supported
Position the air line against a support that is
parallel to the centerline of the B-275.