Fig. 12 Sectional View of Reservoir Automatic Drain Valve

Fig. 1 Cross Sectional View of One- Way Check Valve

TM-5-3820-256-24-4 Drilling System Well Rotary Truck Mounted Air Transportable 600 Feet Capacity Model LP-12 NSN 3820-01-246-4276 Manual
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SERVICE MANUAL Fig. 12 Sectional View of Reservoir Automatic Drain Valve 1 Top Reservoir Port 8 Wire Stem 2 Side Reservoir Port 9 Electrical Lead Wire 3 Inlet & Exhaust Valve 10 Valve Guide 4 Heater Element 11 Sealing Ring 5 Cover 12 Body 6 Thermostat Housing 13 Adapter 7 Exhaust Port REASSEMBLY For the assembly of valve, refer to Fig. 12 and proceed as follows: Before assembling the valve, apply a light film of grease on inlet valve seat. Do not apply oil to the inlet and exhaust valves. 1. Place sealing ring in groove of cover. 2. Place valve guide over inlet and exhaust valves. 3. Place valve guide and inlet and exhaust assembly into cover (wire will project through exhaust port). 4. Place body on cover and install capscrews and lockwashers. 5. Install adapter assembly in body and tighten. 6. Install drain valve in reservoir and reconnect heater wire if drain valve is so equipped. Covers on the standard and heated drain valves can be interchanged. Before returning the vehicle back to service, perform SERVICE CHECKS as outlined. CTS-4079 - CHAPTER II PRINTED IN UNITED STATES OF AMERICA Page 9

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