DRUM BRAKES
SUBSECTION 7C
2. Install the spring, adjusting bolt and spacer on the band
3. If the cylinders leak or have been performing erratically,
halves. Hold these items in place with the adjusting nut.
remove and overhaul if necessary. See Subsection 5D.
3. Install the hanger springs on the brake band. Initially ad-
4. Check the brake bands for distortion.
just the hanger springs with the turnbuckles so that the
5. Inspect the brake drum surfaces for cracks, scoring or
brake band clears the drum.
other damage.
4. Bleed the hydraulic cylinders to remove any air trapped
6. Check the condition of needle bearings in lever "G". If
in the hydraulic lines (see the Bleeding Procedure in Sub-
worn or binds on link pins, replace the bearings.
section 5A). See Subsection 5A for packing the spring re-
INSTALLATION. After relining the brake bands, install the
cess of the cylinder.
band halves as follows (see Figure 7C-2):
ADJUSTMENT. The adjustment procedure listed below
1. Set the brake band halves on the drum. Install the live
should be performed with the brake set spring applied and
end pin through the actuating levers and the live end of the
with no hydraulic pressure in either the brake set cylinder
band. Install the dead end pin through the dead end links
or the brake release cylinder. To adjust the main brakes
and the dead end of the band. Install all cotter pins.
7C-3
