TM 5-4210-233-14&P-2
6-76. SWING MOTOR - Continued
c.
Assembly.
(1) Set housing (7) on end and slide in output shaft (12).
NOTE
Lubricate new O-rings and seals (19, 15, 18, 17, 10, 4, and 8)
with hydraulic oil (Item 28, Appendix E) before installation.
(2) Install new O-ring (19) on plug (20) and insert them into bore in housing.
(3) Place lubricated thrust needle bearing (18A) over end of output shaft (12).
(4) Insert shaft pressure seal (18) and seal (17) into counterbore in mounting flange (14).
(5) Press bearing race (16) into flange (14).
(6) Insert dust seal (15) into counterbore in mounting flange (14).
(7) Carefully slide assembled mounting flange (14) over end of output shaft (12) and rotate it as necessary
to align four holes in it with four holes in housing (7).
(8) Attach mounting flange (14) to housing (7) with four 12-point capscrews (13). Torque to 25 ft Ibs (34
Nm).
(9) Set housing (7) with assembled shaft (12) and mounting flange (14) on its side.
(10)
Rotate drive (11 ) until teeth align with internal teeth in output shaft (12) and insert drive into shaft.
(11)
Insert new seal (8) into groove in housing (7).
(12)
Place spacer plate (9) on housing (7) and rotate it as necessary to align seven holes in it with
seven holes in housing (7).
(13)
Carefully insert lubricated rotor into stator to assembly geroter set (5).
(14)
Assemble spacer (21) into rotor of assembled geroter set (5).
(15)
Insert new seal (10) into groove in stator of geroter set (5) and place assembled geroter set and
spacer over end of drive (11), engaging internal teeth of rotor with external teeth of drive.
(16)
Place new seal (4) in groove in end cap (3), align seven mounting holes and use seven 12-point
capscrews (1) and seven new seal washers (2) to attach end cap to housing (7). Torque screws to
25 ft lbs (34 Nm).
d. Follow-on Maintenance.
(1) Install swing motor (see para 5-62).
6-445
