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 TM 55-1905-223-24-9
c. Rotor.
(1) Slide bearing cage (21) and bearing plate (20) off straight shaft (27). Remove annular ball bearing (10)
from straight shaft.
(2) Slide rotor (7) off woodruff key (8) and shaft.
(a) Slide piston (4), helical compression spring (5) and piston insert (6) out of rotor.
(b) Repeat step for other pistons.
d. Straight Shaft.
(1) Remove straight shaft (27) from pump housing (3).
(2) Remove woodruff key (8) and sleeve (9) from shaft.
(3) Remove annular ball bearing (10) from pump housing.
e. Lockvalve.
(1) Remove capscrews (14).
(2) Separate lockvalve (15) from locating pin (18) and pump housing (3).
(a) Remove pintle (17), preformed packing (19), and ball bearings (16) from lockvalve.
(b) Remove wires (12) and preformed packing (11, 13) from lockvalve.
REPAIR
Consists of replacement of: inner race bearing (29), bearing (30), annular ball bearing (10), piston (4), helical
compression spring (5), piston insert (6), rotor (7), woodruff key (8), sleeve (9), lockvalve (15), preformed
packing (19), ball bearing (16), and preformed packing (11, 13).
ASSEMBLY
a. Lockvalve.
(1) Install preformed packing (11, 13) and wires (12) on lockvalve.
(2) Install ball bearings (16), preformed packing (19), and pintle (17) on lockvalve.
(a) Install lockvalve on pump housing (3). Ensure proper alignment with locating pin (18).
(b) Secure lockvalve (15) to pump housing with capscrews (14).
4-17
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