Warner Electric Electric Wheel Brake 12-1_4 x 3-1_2 Replacement - Manual (Page 20)

20 Warner Electric • 800-825-9050 819-0209
washer (2-5 while compressing the assem-
bly. Using pliers, close the “X” retainer to
lock on the pin.
Repeat these steps for the second
assembly.
18. Lift the shoes (2-1) onto the shoe pads on
the backing plate with a heavy screwdriver.
Rotate them into place against the anchor
pin.
19. Install the anchor pin plate (4-2).
20. Install the shoe return springs (4-1) using a
brake spring tool.
21. Move the magnet lever arm along its track
to ensure that the shoes expand and con-
tract properly and are in the correct adjust-
ment. When making this test, the shoes
can stick in their expanded position. To
correct this, merely push the shoe back
into position. Once the shoe drum has
been installed, the shoe will be restricted
from expanding far enough to stick.
22. Reassemble the drums and wheel and
make sure the wheel bearings and wheel
nuts are adjusted to axle manufacturer’s
specifications.
Case II: Replacing New-Style Lever Arm with
New-Style Lever Arm
1-8. Follow the instructions found for Case I,
page 16.
9. Remove the magnet from the used lever
arm. Install the new magnet in the same
location on the new arm.
10. Route the magnet lead wires individually
through the five clips (1-2) on the arm.
Duplicate the wire routing noted in Step 7.
(See Figure 48).
On right-hand brakes allow 2-3/8-inches of
wire between the magnet and the first clip.
(See Figure 49).
On left-hand brakes allow 3-1/8-inches of
wire between the magnet and the first clip.
(See Figure 50).
Figure 49 - R.H. Brakes
Figure 50 - L.H. Brakes
Figure 48 - Wire Routing