Nexen MB600 801305 - Manual (Page 8)

5 FORM NO. L-20124-G-0210
TROUBLESHOOTING
Compression
Spring
Hub
Sleeve
Bearing
Housing
Torque
Plate
Pressure Plate
Drive Disc
O-ring
Seal
Piston
Cylinder
FIGURE 4
Friction Facings
Symptom Probable Cause Solution
Failure to Engage
Broken Compression Springs Replace the Compression Springs.
Worn Friction Facings Replace the Friction Facings.
Failure to Disengage
Air leaks around the O-ring Seal Replace the O-ring Seal.
Low air pressure
Check air line for leaks and replace air line if necessary.
Minimum Motor Brake release air pressure is 65 psi.