Service Manual

22
BDP-10A/16A/21L
10
6
18
44
2
Partial View
Figure 20. BDP-10A
Assembly BDP-10A
1. Lay the BDP (input shaft down), so the end
cap (2) is horizontal. Place the charge ball (44)
in the end cap (2) charge pocket so it mates to
the end cap (2) charge ball seat. Place the
charge spring, also identified as item (44), on
top of the charge ball.
2. Insert the inner gerotor over input shaft (18).
3. Align the outer gerotor to fit over the inner
gerotor.
4. Insert the O-ring into the charge cover.
5. Position the charge cover and O-ring with the
aligning mark on the end cap. Place the charge
cover and O-ring as one piece over the charge
spring and gerotor assembly. Insure the spring
fits into the charge cover spring retaining groove.
6. Align and insert the allen screws (6) into the
end cap (2). Tighten, reference Table 4, page
16, torque values.
REMOVAL, INSPECTION AND
ASSEMBLY OF THE STANDARD
CHARGE PUMP BDP-10A
Refer to Figure 20.
Disassembly BDP-10A
1. Prior to removal of the charge cover, place a
mark on the charge cover and end cap for re-
alignment.
2. Using a 5 mm allen wrench, loosen the charge
cover bolts (10) from the BDP end cap (2). While
holding the charge cover in place, remove the
charge cover bolts (10).
3. Remove the charge cover, O-ring, gerotor
items (6), charge spring and charge ball (44).
Inspection BDP-10A
1. Inspect the charge cover O-ring and running
surfaces for damage. Inspect the spring , check
ball (44), and mating seat in the end cap (2) for
damage or foreign material.
Note: If end cap (2) is to be removed, de-
lay charge components reassembly.