WHEEL BRAKE ASSEMBLIES
Brake Assembly Cleaning
6
BRAKE ASSEMBLY CLEANING
See General Warnings on page 1-1. See also Asbestos Dust Warning on page 6-1.
1.
Carefully clean the brake backing plate and all of its mechanical components.
2.
Remove the rubber boot from backing plate and wipe with a clean damp cloth.
3.
Lubricate the slide (1) and slide plate (2) with dry moly lubricant (CCI P/N 1012151) on both sides of the backing
plate
(Figure 6-8, Page 6-4)
. After lubricating, work the slide back and forth to ensure that it slides smoothly
and easily. Install rubber boot onto backing plate.
WARNING
• Apply grease carefully when performing the following steps. Do not allow any grease to get onto the
friction surfaces of the brake shoe pads or the brake drum. Failure to heed this warning could cause
diminished brake performance, possibly resulting in property damage or severe personal injury.
4.
Use a small brush to carefully apply a light coat of white lithium NLGI #2 grease (Dow Corning
®
BR2-Plus or
equivalent) on each of the six raised bosses on the brake backing plate
(Figure 6-9, Page 6-5)
.
See preceding
WARNING.
5.
Use a small brush to carefully apply a light coat of white lithium NLGI #2 grease (Dow Corning BR2-Plus or
equivalent) to each end of both brake shoes and into the slots in the brake shoe mounting block as shown
(Figure 6-10, Page 6-5)
.
See preceding WARNING.
00
00
00
00
640
Figure 6-9
Apply Grease On Bosses
641
Figure 6-10
Apply Grease To Brake Shoes and Slots
6.
Use a small brush to carefully apply a light coat of white lithium NLGI #2 grease (Dow Corning BR2-Plus or
equivalent) to the brake adjuster assembly, adjuster wheel shoe slots, and the shaft of the adjuster wheel as
shown
(Figure 6-11, Page 6-6)
.
See preceding WARNING.
7.
Install the adjuster wheel (1) and two washers (2 and 3) into the adjuster assembly
(Figure 6-7, Page 6-4)
.
2009 Electric Precedent Maintenance and Service Manual
Page 6-5
