Assembly - TM-55-1730-228-13-P0237

TM55-1730-228-13&P

4-12. HYDRAULIC MOTOR, BRAKE AND DRIVE HUB ASSEMBLY- REPAIR (Continued)

4-12

(l) Assemble the face of the ring gear (8) having six holes against the hub (29). Be sure bolt holes

are aligned.

(m) Install six capscrews (26) with washers (27) to secure ring gear to hub. Torque between 40 and

48 ft lbs (53 and 67 Nm).

(n) Install to thrust washer (19) retaining ring (18) on end of input shaft (2).

(o) Install retaining ring (17) on lower groove of large sun gear (15).

(p) Position large sun gear assembly (15) in primary carrier assembly (14) and secure with retaining

ring (16).

(q) Install primary carrier assembly (14) in ring gear (8). Rotate the carrier as necessary to mesh the

sun gear (14) with the secondary carrier (20) and the primary carrier gears (14) with the ring gear

(8).

NOTE

Install carrier with pinion shaft retaining rings down.

(r) Install thrust washer (13) over input shaft (2) against shoulder of shaft.

(s) Install small sun gear (12) over input shaft (2) and rotate to mesh with planet gears.

(t) Install preformed packing (10) in groove of disengage plunger (9).

(u) Lubricate plunger assembly with a light film of GAA grease and install over input shaft (2).

(v) Lubricate thrust washer (11) with a light film of GAA grease and assemble to cover (6) so that the

tangs of the thrust washer engage with cover.

(w) Thoroughly clean the surfaces of cover and ring seal and apply a continuous bead of silicone

sealer to the face of the ring gear (8). Center the bead on the surface staying inside of bolt holes.

(x) Install cover (6) on ring gear (8) aligning bolt holes.

(y) Install eight capscrews (7). Torque capscrews between 21 and 25 ft lbs (28 and 32 Nm).

(z) Position lockout mechanism (5) on cover and secure with two socket head capscrews (4).

Torque capscrews between 10 and 20 ft lbs (15 and 27 Nm).

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