TM 5-3895-372-34
3-16.
Assembly.
a.
Install three washers (2, fig. 3-3) in body (1).
b.
Install three O-rings (4) on three shear seal seats (3); position in body (1).
c.
Install new 0-ring (5) on body (1).
d.
Insert stop pin (12), sleeve (16), spring (17), and detent ball (18) into housing (15).
e.
Position thrust washer (11) and bearing (10) in housing (15).
f.
Install new O-ring (7) on shaft (6).
g. Install rotor (8) per alinement marks made prior to disassembly and detent disc (9) on shaft (6) and insert into
housing (15).
h.
Install shaft (6) into housing (15).
i.
Aline casting marks on body (1) and housing (15) and install four bolts (20) and lockwashers (19). Tighten
bolts.
j.
Position handle (13) on shaft (6) and secure with two setscrews (14).
Section V.
REPAIR OF HYDRAULIC MOTOR
3-17.
Removal. Refer to TM 5-3895-372-20.
3-18.
Disassembly.
a.
In a vise, clamp down on the housing (8, fig. 3-4) port bosses with the coupling shaft (14) pointed down.
b.
Using wrench with a thin wall socket, remove seven bolts (30).
c. Remove cover assembly (29) and seal ring (9) by inserting screwdriver between cover assembly (29) and
sleeve (27). Pry up cover assembly (29) and lift from unit with seal ring (9) attached.
d.
Remove seal ring (28) from cover assembly (29) and discard seal ring (28).
e. Remove commutator ring (26), commutator (24), seal ring (25), and manifold (23) by using two of the bolts
(30) as a lifting tool - insert the two bolts (30) into two holes and lift out the previously mentioned parts.
f.
Remove seal ring (25) from commutator (24) by using an air hose - blow air into ring groove until seal ring
(25) is lifted out, and discard seal ring (25).
g.
Inspect manifold (23) for cracks. Replace it if cracks are visible.
h.
Remove manifold plate (22) by using two bolts (30) as a lifting tool.
i.
Remove rotor set consisting of stator and ring assembly (21), rotor (20), vanes (19) along with wear plate
(18), and drive link (17), using two bolts (30).
CAUTION
Do not drop vanes (19) or rotor (20).
3-8
