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 178 of 323

CHAP

5,

SEC

XXI I

CLUTCH PISTONS AND HOUSINGS REBUIL D

PAR

173-176

(2) Check the small hole through the

piston.

It must be clean.

b . Intermediate-range Piston and

Housing (fig. 211)

(1) Remove the intermediate-rang e

piston from the piston housing.

(2) Remove ring seal and expander from

the piston.

(3) Remove ring seal and expander from

the piston housing.

174. CLEANIN G

Refer to par. 71 for cleaning recommen-

dations.

Figure 211. Removing (or installing) intermediate-

175. INSPECTION AND REPAIR

range piston

Refer to par. 72 for general information

and repair recommendations. Repair and re-

(1) Install expander 60 (fig. 377, fold-

build points of measurement for fits, clear-

out 6) and ring seal 59 onto the steer clutch

antes and wear limits are indicated by small,

piston 61.

lower case letters in figs. 376, 377 and 381,

fold-outs 5, 6 and 10. Refer to pars. 239,

(2) Install expander 58 and ring seal 57

240 and 244 for wear limits information.

onto piston 61.

176. ASSEMBLY (figs. 376, 377 and 381,

fold-outs 5, 6 and 10)

b . Intermediate-range Piston and

Housing (fig. 376, fold-out 5)

(1) Install ring seal 12 and expander 13

a . Right- or Left-steer Clutch

in the intermediate-range piston housing 14.

Piston Assembly

(2) Install expander 10 and ring seal 11

Note . The right- and left-steer clutch

onto the piston.

piston assemblies are identical. The

following describes the assembly of the

(3) Install the intermediate-range piston

left assembly.

into the piston housing 14.

14 6