Service Manual

33
BDP-10A/16A/21L
REMOVAL, INSPECTION TRUNNION
ARM BDP-10A/16A
Refer to Figure 33.
Disassembly BDP-10A/16A
1. Remove and discard the trunnion seal retainer
and seal (49/12).
2. Remove the slot guide (38/14).
3. Remove the trunnion arm (37/13).
Inspection BDP-10A/16A
1. Inspect the trunnion arm (37/13) for wear or
damage. Replace the trunnion arm if necessary.
Assembly BDP-10A/16A
1. Install the trunnion arm (37/13) into the hous-
ing (1/15) bore. Rotate the trunnion arm to in-
sure free movement.
2. Install a new seal and seal retainer.
3. To completely reassemble the pump, refer to
the assembly steps on pages 19-33. Begin with
the trunnion arm assembly steps listed on page
33 and complete the assembly steps in reverse
order working towards the front of the manual.
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.
Remove the plastic wrap after the seal is
installed.
Figure 33. BDP-10A/16A
REMOVAL, INSPECTION TRUNNION
ARM BDP-21L
Refer to Figure 34.
Disassembly BDP-21L
1. Remove trunnion seal retainer (10) and seal
(12).
2. Remove slot guide (14).
3. Remove trunnion arm (13).
Inspection BDP-21L
1. Inspect the trunnion arm (13) for wear or dam-
age. Replace trunnion if necessary.
Assembly BDP-21L
1. Install the trunnion arm (13) into the housing
(15) bore. Rotate the trunnion arm to insure free
movement.
2. Install a new seal and seal retainer.
3. To completely reassemble the pump, refer to
the assembly steps on pages 19-33. Begin with
the trunnion arm assembly steps listed on page
33 and complete the assembly steps in reverse
order working towards the front of the manual.
14
10
12
16
13
Figure 34. BDP-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.
Remove the plastic wrap after the seal is
installed.
1/15
38/14
37/13
49/12