Install - Yale 524150797 Maintenance Manual

1800 YRM 1505
WARNING
Use caution when removing or installing snap
rings. These snap rings can come loose during re-
moval or installation with enough force to cause
personal injury. Always use the correct snap ring
pliers and wear eye and face protection during re-
moval and installation.
6. Remove the snap ring from the top of the traction
motor shaft securing the brake hub in place.
7. Slide the brake hub up off the traction motor shaft.
Recover the Woodruff key. Remove the lower
snap ring if necessary.

INSTALL

WARNING
Use caution when removing or installing snap
rings. These snap rings can come loose during re-
moval or installation with enough force to cause
personal injury. Always use the correct snap ring
pliers and wear eye and face protection during re-
moval and installation.
1. Install lower snap ring if removed.
2. Position the Woodruff key into the groove on the
traction motor shaft as removed.
3. Align the Woodruff key with the groove inside the
brake hub. Slide the brake hub down onto the
traction motor shaft and Woodruff key.
4. Install the upper snap ring on the end of the motor
shaft.
5. Replace the adapter and friction disk and tighten
the screws that hold the adapter to the brake. Tor-
que to 11 N•m (8 lbf ft).
6. Replace the brake and install the lockwashers
and capscrews that hold the brake to the motor.
7. Tighten the capscrews.
14 N•m (8.8 to 10.3 lbf ft).
8. Connect the brake wiring connector to the main
wiring harness.
9. Check the brake switch at the control handle base
for operation and to ensure that the wires are con-
nected and that there is no obstruction of move-
ment.
10. Install the drive unit compartment cover. Refer to
AC Motor Repair 0620YRM1513.
11. Remove the blocks. Connect the battery and test
the operation of the lift truck prior to returning the
lift truck to service.
NOTE: The brake must hold the lift truck with a maxi-
mum rated load on a 10 percent grade (0.305 m (1 ft)
rise in 3.05 m (10 ft)).
The truck should operate without any drag when
the handle is in the operating position.
Brake Assembly Repair
Torque to 12 to
5