FIGURE 8-2. FOUNDATION BRAKE COMPONENTS.
R e p l a c e cracked, badly scored, or severly
d.
heat checked brake drums.
8-17. REFINISHING DRUMS.
a. Do not exceed maximum inside drum diameter
specification cast into brake drum.
b. Refinish both drums on an axle at the same
time.
FIGURE 8-3. CHECKING FOR SCORED DRUM.
c. Use a finish of 180 micro-inches
roughness.
c.
Use new anchor pin bushings,
8 - 1 8 . CHECKING BRAKE PARTS.
cam rollers, roller shafts and lin-
ing
rivets
a. Check brake shoe against anew shoe (if pos-
Do not use distorted shoes.
sible) for distortion.
d. Examine the cam face, cam washers, anchor
pins, clips and snap rings for wear, breakage, and
b. Check retract spring for elongation.
distortion.
8-3.
