Manitowoc Grove CD3340B Service Manual page 321

CD3340B/YB4411
P0211
After installing plates and discs, set piston in place and
check the brake stack-up to make sure that the
d i m e n s i o n s a r e w i t h i n t h e t o l e r a n c e s h o w n i n
Figure 11-58. If the measurement is greater than shown,
either some friction plates have been left out, or the
friction plate discs are worn beyond acceptable
tolerances. If your measurement is less than shown, too
many plates or discs have been inserted or they are not
seated properly.
Brake
Piston
A0479
4. Inspect each new seal (8, Figure 11-46). Install one seal
into the bore of the brake housing with grooves facing
GROVE
out Install the other seal with grooves facing in
(Figure 11-59).
FIGURE 11-57
P0212
5. Install the piston into the brake housing and gently tap it
down until it is seated.
6. Install the springs (Figure 11-60) into the spring pockets.
If working in a horizontal position, coat the bottom of
each spring with grease to keep them in place.
Brake
Housing
FIGURE 11-58
P0213
7. Coat a new O-ring (Figure 11-61) with light oil and install
the O-ring into the groove on the brake cover.
Published 04/07/2015 Control # 569-00
STRUCTURAL
11
FIGURE 11-59
FIGURE 11-60
11-29