TM 9-2320-279-34-3
Hydraulic System Maintenance Instructions (Cont)
20-7. PRIMARY PUMP HYDRAULIC MOTOR CONTROL VALVE REPAIR (M978) (CONT).
C. Assembly.
(1) Install washer (1) and detent adapter (2) on
spool assembly (3).
(2) Install spring (4), two detent balls (5), and
detent sleeve (6) on detent adapter (2).
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
NOTE
Lubricate preformed packings, seals, and spool before installing.
Install seal (7) in valve housing (8).
Install retaining plate (9) and washer (10) on spool assembly (3). Install spool assembly in valve
housing (8).
Install seal (11) and washer (12).
Install bracket (13) with two screws (14).
Install preformed
packing (15) on plug (16).
Install plug in valve
housing (8).
Install preformed
packing (17), two rings (18),
and preformed packing (19)
on relief valve
assembly (20).
Install relief valve
assembly (20).
Install end cap (21) with
four screws (22).
d. Follow-on Maintenance. None.
END OF TASK
20-22
