Quantcast BOILER LOW WATER CUTOFF PUMP CONTROL - TM-10-6640-238-13_362

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TM 10-6640-238-13 5-27 5-14.  BOILER LOW WATER CUTOFF PUMP CONTROL. This task consists of: a.   Remove b.   Install INITIAL SET-UP Tools Required General Mechanics Tool Kit, (Appendix B, Section III, Item 1) Materials/Parts Required Teflon Tape, (Appendix E, Section II, Item 157) General Safety Instructions WARNING ELECTRICAL SHOCK Before performing any  maintenance actions on electrical equipment, ensure  all electrical power has been turned off.  Failure to comply with this warning may result in serious injury or death. REMOVE Remove Low Water Cutoff Pump Control.  See Figure 5-10. a. At Power Panel No. 2, set circuit breaker A15CB5 to OFF. b. Close water feed boiler valve located on equipment wall behind electric steam boiler (1) and drain boiler. c. Open boiler drain valves (2). d. Tag and disconnect wiring and conduit (3) from low water cutoff pump control (4). e. Disconnect three pipe unions (5) and remove low water cutoff pump control (4) from electric steam boiler (1). INSTALL Install Low Water Cutoff Pump Control.  See Figure 5-10. a. Position low water pump control (4) on electric steam boiler (1). b. Apply teflon tape on male fittings.  Be sure to wrap tape in same direction as pipe thread. c. Connect three pipe unions (5). d. Connect wiring as tagged and conduit (3) to low water pump control (4).  Remove tags. e. Close boiler drain valves (2). f. Open water feed boiler valve located on equipment wall behind electric steam boiler. g. At Power Panel No. 2, set circuit breaker A15CB5 to ON. h. Prepare and operate water system using internal water tank as source in accordance with procedures listed in paragraph 2-6j. i. Inspect for leaks and check for proper operation.


 


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