TM-9-2520-270-34

HYDROMECHANICAL CROSSDRIVE, TRANSMISSION HMPT 500 AND TRANSMISSlON CONTAINER ASSEMBLY

TECHNICAL MANUAL; DIRECT AND GENERAL SUPPORT MAINTENANCE

NOVEMBER 1984

TM-9-2520-270-34 - Page 848 of 933

14.3 REMOVE PLUG (1).

a.

b.

Using 1/2-inch drive ratchet

handle

with adapter and 1/4-inch socket

wrench attachment, carefully remove

plug (1).

Remove and discard preformed

packing (2).

14.6 CHECK SPRING (5).

a. Using indicator caliper, measure free

length of spring (5). Replace spring if

free length is less than 1.90 inches

(48.3 mm).

14.7 CLEAN THIRD RANGE RELAY

VALVE ASSEMBLY.

a. Clean assembly and hardware. See

page 2-2.

14.8 INSPECT THIRD RANGE RELAY

VALVE ASSEMBLY.

a. Inspect assembly and hardware. See

page 2-5.

14.4 CHECK HOUSING (3)

a. Using small hole gage set and

micrometer caliper set, measure

bore (4) in both ends of housing (3).

Do not measure threads.

b. If either measurement of bore (4)

is greater than 0.6256 inch

(15.890 mm), replace valve assembly

and go to step 14.5. If not, go to

step 14.6.

14.5 EFFORT IS COMPLETE. GO TO

END OF TASK.

14.9 CHECK SLIDE (6).

a. Using micrometer caliper set,

measure three diameters (7)

b. Replace slide (6) if any meas-

urement is less than 0.6241 inch

(15.852 mm).

c. Go to step 29.

4-508.2

Change 2

TM9-2520-270-34