Install bushing (2, fig. 4-3) and flange bearing (3) in gear box.
Install woodruff key (7), gear (6), lock ring (5), and spacer (4) on worm gear shaft (8) and position in gear box.
Install thrust bearing (23) and shim washers (22) on worm gear and shaft assembly (21) and position in gear
d. Install brake disk (20), brake plate (19), brake spring (18), and thrust bearing (17) on worm gear and shaft
Install oil seal (11) in base plate (15).
Install bearing (10) on shaft.
Position base plate (15) and gasket (16) on gear box and install collar (13) and bearing (12) on shaft.
Position drive end cap (5, fig. 4-2) and secure to gear box with two setscrews (3) and lock-washers (4).
Install shims (2) and bearing (6) on armature (7), then position in motor casing (1).
Install brush set (27) and secure to commutator end cap (26) with screws.
k. Install terminal (14), flat washer (13), two electrical leads (12), flat washer (11), bushing (10), two flat washers
(9), and lockwasher (8) in motor casing (1), then secure with nut (21).
Pull spring back on brush holders and insert brushes; then release spring gently.
Position commutator end cap (26) and secure to motor casing (1) with six screws (24) and lockwashers (25).
Install sleeve (18) on motor casing and secure with screw (16) and nut (17).
Position gear box on motor and secure with two screws (19) and lockwashers (20); install woodruff key (9, fig.
Install motor and gear box. (Refer to TM 53895-372-20.)
Fill gear box with oil. (Refer to TM 53895-372-20.)