TM-9-2350-238-34-1

HULL AND RELATED COMPONENTS, RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

MARCH 1994

TM-9-2350-238-34-1 - Page 154 of 292

TM 9-2350-238-34-1

2-46. MAINTENANCE OF IMPACT WRENC H

DISASSEMBLY (CONT )

13

Remove bushing (22) from block (12) .

14

Remove O-ring (23) from bushing (22) .

15

Remove plug (24) and O-ring (25) fro m

block (12).

INSPECTION/REPAIR

1

2

3

4

5

Inspect for broken, damaged, or missin g

parts .

Inspect handle, disk, cover, and block for

cracks and distortion.

Inspect piston, sleeve, and controller shaft

for scoring.

Inspect ports for damage .

If any kit component is damaged, replace

the entire pressure impact wrench regulator

ball valve pads kit.

REASSEMBLY

1

Coat all preformed packings and O-ring s

with lubricating oil.

2

Install new O-ring (1) and plug (2) in block

(3) .

REGULATOR BALL VALVE (CONT) .

6

7

If any part that is not a component of the

parts kit is broken, damaged, or missing,

repair is by replacement of the next higher

assembly .

Repair is by replacement of authorized

parts (TM 9-2350-238-24P-1) which do no t

meet inspection criteria.

2-14 2