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 812 of 933

TM 9-2520-270-34

CAUTION

Keep eccentric ring and outer rotor together

when removing from housing. Spring and vane

can be lost and equipment can be damaged.

7. PULL OUT RING (1) AND OUTER

ROTOR (2) FROM LIQUID PUMP

HOUSING (3) AS ONE UNIT.

10. CHECK INSIDE DIAMETER OF PUMP

HOUSING CAVITY (6).

a.

b.

4-476

Using telescoping gage set and

micrometer caliper set, measure

diameter of cavity (6).

If measurement is greater than

3.8775 inches (98.489 mm), go to

step 12.1, If not, go to step 11.

Change 2

8.

9.

IF OUTER ROTOR (2) AND

RING (1) HAVE COME APART, GO TO

STEP 9. IF NOT, GO TO STEP 10.

ASSEMBLE OUTER ROTOR (2)

AND RING (1)

a. Install spring (4) and vane (5) into

rotor (2).

b. While holding spring (4) and vane (5)

with thumb, insert rotor (2) into

ring (1).

11. CHECK INSIDE DIAMETER OF

SLEEVE BEARING (7).

a. Using telescoping gage set and

b.

micrometer caliper set, measure

inside diameter of bearing (7).

If measurement is greater than

1.002 inches (25.45 mm), go to

step 12.1. If not, go to step 12.