Valves - Replace

TM 55-4920-442-13 & P

3-73. Valves - Replace

3-73

This task covers:

Removal and Installation

INITIAL SETUP

Tools Required:

Tool Kit, Hydraulic NSN 5180-00-323-4891

Personnel Required:

MOS 67

Equipment Condition:

Para. 3-18 Top and sides removed.

Control panel doors open.

REMOVAL - HIGH PRESSURE RELIEF VALVE

1. Open side door.

2. Disconnect two no. 16 lines.

3. Remove four bolts and washers.

4. Remove high pressure relief valve.

REMOVAL - LOW PRESSURE RELIEF VALVE

1. Open side door.

2. Disconnect line from low pressure relief valve to tee feeding four way valve and flowmeter.

3. Remove fitting from valve.

4. Disconnect line at cooler outlet manifold.

5. Remove valve at manifold.

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