Service Manual

32
BDP-10A/16A/21L
REMOVAL, INSPECTION AND
ASSEMBLY OF INPUT SHAFT,
BDP-16A/21L
Refer to Figure 32.
Disassembly BDP-16A/21L
1. Remove the retaining ring (3).
2. Remove the lip seal (6).
3. Remove the spacer (4).
4. Remove the shaft assembly (1) from the BDP.
Inspection BDP-16A/21L
1. Inspect the input shaft (1) for worn splines,
damage, or keyway damage. Replace shaft
assembly if necessary.
2. Inspect the bearing (5) for evidence of scor-
ing, corrosion, or damage. Replace shaft as-
sembly if necessary.
3. Inspect and replace the spacer (4) if it is bent
or broken.
Note: Replace the input shaft seal (6) af-
ter removal.
Figure 32. BDP-16A/21L
15
1
20
19
2
2
4
3
6
5
4. Inspect and replace the retaining ring (3) if it
is bent or broken.
Note: If trunnion arm is to be removed,
delay reassembly of input shaft assem-
bly.
5. Inspect and replace the thrust spring (20) and
thrust washer (19) if they are distorted or broken.
Assembly BDP-16A/21L
Note: Upon removal, it is recommended
that all seals, O-rings and gaskets be re-
placed. During installation, lightly lubri-
cate all seals, O-rings and gaskets with
clean petroleum jelly prior to assembly.
Also, protect the inner diameter of seals
by covering the shaft with plastic wrap.
1. Install the shaft (1) assembly, into the housing
(15) bore. Light tapping with a rubber mallet may
be necessary on the input shaft (1) once the bear-
ing is aligned with the housing bore (15). Rotate
the input shaft (1) to insure free movement.
2. Install the spacer (4).
3. Install a new lip seal (6).
4. Install the retaining ring (3).