Nexen FM 625 BISSC 827251 - Manual (Page 10)

10 FORM NO. L-20250-E-0114
TROUBLESHOOTING
Housing
Piston
Bearings
Bearing
Stub Shaft
Drive Disc
O-Ring
Seal
Female Pilot
Male Pilot
O-Ring Seals
Friction Facing
Splined Disc
FIGURE 9
Bar
Key
SYMPTOM PROBABLE CAUSE SOLUTION
Air not getting to the FMCBE due to Control
Valve malfunction. Check for a Control Valve malfunction or low
air pressure and replace the Control Valve if
necessary.
Defective O-ring Seals resulting in air leaks. Replace the O-ring seals.
Failure to engage (Clutch).
Lack of lubrication on Hub Spline. Lubricate Hub Spline.
Unexhausted air due to a Control Valve
malfunction. Check for a Control Valve malfunction and
replace the Control Valve if necessary.
Defective O-ring Seals resulting in leaks. Replace the O-ring seals.
Failure to engage (Brake).
Lack of lubrication on Hub Spline. Lubricate Hub Spline.
Unexhausted air due to a Control Valve
malfunction.
Check for a Control Valve malfunction and
replace the Control Valve if necessary.
Failure to disengage (Clutch).
Lack of lubrication on Hub Spline. Lubricate Hub Spline.
Unexhausted air due to a Control Valve
malfunction.
Check for a Control Valve malfunction and
replace the Control Valve if necessary.
Failure to disengage (Brake).
Lack of lubrication on Hub Spline. Lubricate Hub Spline.
Defective O-ring Seals resulting in air leaks. Replace the O-ring seals.
Contaminated Friction Facings. Replace the Friction Facings.
Loss of torque (Clutch and
Brake).
Worn Friction Facings. Replace the Friction Facings.