MAC TOOLS MW250 Betriebsanleitung PDF herunterladen (Seite 251)

100

101

TM 5-4310-452-14

4-95. BLOWDOWN VALVE REPLACEMENT.

THIS TASK COVERS

a. Removal b. Installation

INITIAL SETUP

Equipment Conditions: Materials/Parts:

• Engine off. • One preformed packing

• Right door assembly open.

• System air pressure relieved. Tools/Test Equipment:

• General mechanic's tool kit

a. REMOVAL

WARNING

Ensure that system air pressure is

relieved before removing blowdown

valve. Compressed air can cause

serious injury to personnel.

1. Disconnect 2 hose fittings (7) from elbows (6).

2. Remove elbows (6) from blowdown valve (5).

3. Remove blowdown valve (5), nipple (4), adapter

(3), and preformed packing (2) from compressor

(1). Remove nipple from blowdown valve.

Discard preformed packing.

b. INSTALLATION

1. Install adapter (3), new preformed packing (2),

and nipple (4) on compressor (1). Install

blowdown valve (5) on nipple.

2. Install 2 elbows (6) on blowdown valve (5).

3. Connect 2 fittings (7) to elbows (6).

TA505546

FOLLOW-ON TASKS:

• Close right door assembly,

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