TM-9-2320-260-34-2

TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE; VOLUME 2 OF 2

JULY 1994

TM-9-2320-260-34-2 - Page 476 of 863

TM 9-2320-260-34-2

16-13. UPPER AND LOWER BOOM ROLLER MAINTENANCE (M816) (Contd)

NOTE

●

Upper and lower boom rollers are removed and installed the

same. This procedure covers the upper boom roller.

●

Assistant will help with removal task.

Remove six screws (1), lockwashers (2), and upper boom roller (3) from boom (4). Discard lockwashers (2).

1.

2.

3.

4.

5.

6.

7.

8.

9.

NOTE

●

Measure shim thickness on each side and record for installation.

●

Mark wheels, hub bodies, and shaft for installation.

Remove eight screws (5) and lockwashers (6) from two shaft supports (7). Discard lockwashers (6).

Using a brass drift and hammer, drive shaft (13) and one shaft support (7) part way out of

housing (9).

Using a mechanical puller, remove the protruding shaft support (7) and shims (8) from shaft (13)

and housing (9).

Repeat steps 2 and 3 to remove opposite shaft support (7) and shims (8).

Measure shims (8) as a pack. Record thickness of each side for installation.

Remove wheels (11) and shaft. (13) from housing (9).

Remove wheels (11) and bearings (12) from shaft (13).

Remove two woodruff keys (10) from shaft (13). Discard woodruff keys (10).

Remove bearings (12) from wheels (11) by carefully driving a punch through holes (14) in wheels (11).

16-77