MAC TOOLS MW250 Instrucciones de operaciones descargar pdf (Pagina 267)

TM 5-4310-452-14

4-102. HOSE REEL ASSEMBLY MAINTENANCE.

This Task Covers

a. Removal c. Assembly

b. Disassembly d. Installation

Initial Setup

Equipment Conditions: Materials/Parts:

• Engine off. • Two retaining rings

• System air pressure relieved. • Six preformed packings

• Twelve lockwashers

Tools/Test Equipment:

• General mechanic's tool kit

a. REMOVAL

WARNING

Ensure that system air pressure is relieved before removing hose reel. Compressed air can

result in injury to personnel.

1. Remove coupling half (10), 2 elbows (11), and 2 nipples (12 and 13) from angle valve (16).

NOTE

Support hose reels when removing capscrews.

2. Remove 4 capscrews (19), 2 capscrews (18), 6 lockwashers (17), hose reel (14), and bearing retaining

plate (9) from bearing unit housing (6). Discard lockwashers.

3. Repeat steps 1 and 2 to remove remaining hose reel.

b. DISASSEMBLY

1 Remove angle valve (16), nipple (15), and preformed packing (8) from bearing retaining plate (9). Discard

preformed packing.

NOTE

Spring is under tension. Remove plug slowly.

2. Remove plug (3), spring (4), and retard ball (5) from bearing unit housing (6).

3. Push bearing unit housing (6) toward hose reel support bracket (21) and remove retaining ring (7) from adapter (2).

Discard retaining ring.

4. Remove bearing unit housing (6) from adapter (2).

5. Remove grease fitting (20) from bearing unit housing (6).

6. Remove adapter (2) from hose reel support bracket (21).

7. Remove 2 preformed packings (1) from adapter (2). Discard preformed packings.

8. Repeat steps 1 through 7 and disassemble the remaining hose reel.

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MAC TOOLS MW250 Instrucciones de operaciones Pagina 267