TM-9-2520-234-35

POWER TRAIN ASSEMBLY; ALLISON MODEL XTG411-2A

TECHNICAL MANUAL; FIELD AND DEPOT MAINTENANCE MANUAL

JULY 1962

TM-9-2520-234-35 - Page 208 of 323

CHAP

5,

SEC

XXXIII

ASSEMBL Y

PAR

227,

STEPS

51-5 4

Figure 290 (Step 51 )

Install spacer (A) and brake coolant oil pump

drive gear (B).

Remove wooden block (C )

from housin g

Figure 291 (Step 52)

Install lock plate (A) and 3/4-16 x 2-3/4 self-

locking bolt (B), finger-tight at this time. In-

stall output driven gear shaft (C).

17 6

Figure 292 (Step 53)

Using a l-inch wrench, tighten brake coolant

pump drive gear retaining self-locking bolt

(A) to 337-385 pound-feet torque. Use a block

(B) of soft metal between the output transfer

drive gear and rear housing to prevent rotation.

Figure 293 (Step 54)

Install gasket (A) on right- output subassembly

(B). Using a 3/8-16 x 1-1/2 bolt (C) and sling

(D), install subassembly (B).