MODULATOR VALVE BODY MAINTENANCE - continued

TM 9-2320-386-24-1-2

0372 00

MODULATOR VALVE BODY MAINTENANCE (Contd)

REMOVAL

Remove three screws (1) and modulator valve body (2) from seperator plate (8) and control valve (9).

DISASSEMBLY

CAUTION

Before removing retainer pin, record position of adjusting ring to

retain the original calibration of modulator valve. Failure to do so

may cause transmission to operate improperly.

NOTE

Record position of adjusting ring for assembly.

1. Compress adjusting ring (7) and remove retainer pin (3) from modulator valve body (2). Ensure

position of adjusting ring (7) is recorded.

2. Remove adjusting ring (7), spring (6), modulator valve (5), and actuating rod (4) from modulator

valve body (2).

CLEANING AND INSPECTION

WARNING

Volatile mineral spirits burn easily and fumes can explode. Do not

smoke or allow flames nearby when using volatile mineral spirits.

Failure to do so may cause serious injury or death to personnel.

1. Clean all modulator valve body parts with mineral spirits and dry with a lint-free rag.

2. Inspect modulator valve (5), actuating rod (4), and modulator valve body (2) for wear, scratches,

grooves, and burrs. Remove scratches and burrs with crocus cloth. Replace modulator valve (5),

actuating rod (4), or modulator valve body (2), if worn or grooved.

3. Inspect spring (6) for signs of overheating, wear, and damage. Replace spring (6) if worn or

damaged.

ASSEMBLY

CAUTION

Adjusting rings are spring loaded. To retain original calibration of

valve assembly, adjusting rings must be installed in same

positions as when removed. Refer to notes taken during

disassembly.

1. Install actuating rod (4), modulator valve (5), and spring (6) in modulator valve body (2) with

adjusting ring (7).

2. Compress adjusting ring (7) and rotate adjusting ring (7) to recorded position.

3. Install retainer pin (3) on modulator valve body (2).

INSTALLATION

1. Install modulator valve body (2) on seperator plate (8) and control valve (9) with three screws (1).

Tighten screws (1) 96-144 lb-in. (11-16 Nm).

2. Install transmission control valve (WP 0371 00).

Change 1

0372 00-2