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 410 of 933

TM 9-2520-270-34

43. PLACE BEARING HOUSING ASSEM-

BLY (1) ON TWO WOOD BLOCKS.

a. Put blocks under outside edge of

housing assembly (1).

44. CHECK TURNING TORQUE OF

INPUT BEVEL ASSEMBLY (2).

a. (H) Hold housing assembly (1).

b. Using 3/8-inch drive torque wrench

with adapter and drag wrench, slowly

and smoothly turn input gearshaft (3)

completely around and measure turning

torque.

c. If turning torque is not 15-20 in-lb

(17-23 cmkg),

go to step 45. If

turning torque is 15-20 in-lb

(17-23 cmkg),

go to step 46.

45. REPAIR INPUT BEVEL ASSEMBLY,

page 4-126.

NOTE

Bevel gear and pinion are a matched set and

must be replaced together. Serial numbers of

gear set must match.

46. INSTALL PINION

(4).

a.

4-102

If pinion (4) was removed, go to

step 47. If not, go to step 48.

Change 1

47. INSTALL CONE AND ROLLERS (5)

ON PINION (4).

a.

b.

c.

d.

Using dry ice, cool pinion (4) for

approximately two hours.

Using oven, heat cone and rollers (5)

to 270° -300° F (132° -149° C) .

Wearing gloves, slide cone and

rollers (5), wide end first, onto

pinion (4), fully seating cone and

rollers against pinion shoulder.

Let parts return to room temperature.

WARNING

Do not handle hot or cold

parts without protective

gloves.

Personnel can be

injured.