Nexen TCC-10 835141 - Manual (Page 11)

8 FORM NO. L-20069-E-0210
TROUBLESHOOTING
PARTS REPLACEMENT
SYMPTOM
Failure to engage.
Failure to disengage.
Loss of torque.
Friction Facing squeal or chatter.
Noise (other than facing squeal).
Wobble or vibration.
SOLUTION
Check for control valve malfunction
or low air pressure.
Check controls.
Check for control valve malfunction.
Check Controls.
Check for air leaks.
Check air pressure.
Replace facings.
Reduce air pressure.
Check friction facing.
Replace bearings.
Tighten fasteners.
Remount unit.
Replace shaft.
PROBABLE CAUSE
Air not getting to TCC Clutch.
Low air pressure.
Control malfunction
Unexhausted air.
Control malfunction.
Air leak..
Friction facing contamination..
Low air pressure.
Worn friction facings.
Air pressure too high.
Wrong friction facing for application.
Bearing failure.
Loose fasteners.
Improper mounting.
Faulty shaft.
FIGURE 14
FRICTION FACING REPLACEMENT
REFER TO FIGURES 13 & 14.
1. Stop the machine and shut off air supply to the unit.
2. Remove the Socket Head Cap Screws (Item 18) and
the Lock Washers (Item 19).
3. Remove the Caliper Assembly from the Housing
(Item 8).
4. Remove the Machine Screw (Item 10) from back of
the Caliper Assembly and remove the Friction Facing
(Item 9).
5. Install the new Friction Facing (Item 9) and secure
it to the Caliper Assembly with the Machine Screw
(Item 10). Tighten the Machine Screw to 18-19 In.
Lbs. [2.0-2.1 Nm].
6. Place the Caliper Assembly in position and secure it
to the Housing with Socket Head Cap Screws (Item
18) and Lock Washers (Item 19).
7. Tighten the Socket Head Cap Screws to 27 ft-lbs
[36.4 Nm] torque.
Friction
Facing
(Item 9)
Machine
Screw
(Item 10)
FIGURE 13
Caliper Half
Cap
Screw
(Item 18)
Lock
Washers
(Item 19)
Housing
(Item 8)