REMOVAL - FILL SYSTEM RELIEF VALVE

TM 55-4920-442-13 & P

3-73. Valves - Replace (cont.)

3-73

REMOVAL - FILL SYSTEM RELIEF VALVE

1. Located on the control panel, see figure 2-1.

2. Disconnect fitting behind the panel.

3. Loosen the fitting at the front of the control panel and remove valve.

REMOVAL - FLOW CONTROL VALVE AND BY-PASS VALVE

1. Located on the control panel, see figure 2-1.

2. Disconnect lines and tubing in back of the control panel.

3. Remove nut and washer on handles of each valve on the front of the panel.

4. Remove four mounting bolts and washers on each valve and remove valves.

REMOVAL - CHECK VALVES

1. A one inch and a three-eighths inch check valve are located in the four way manifold below the high pressure filter

near the main motor connection box.

2. Disconnect tubing and unscrew both valves from manifold.

3. One three-eighths inch check valve is located in the cooler outlet manifold.

4. Disconnect tubing and unscrew check valves from manifold.

5. One three-eighths check valve is located off of the fill system filter at the base of the low pressure filter.

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