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TM 10-6640-238-13 5-29 5-15.    BOILER LOW WATER PUMP. 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 Lockwashers (4) Teflon Tape, (Appendix E, Section II, Item 157) Equipment Condition Boiler Low Water Cutoff Pump Control Removed (Paragraph 5-14) 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 Boiler Low Water Pump.  See Figure 5-11. 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 and drain boiler. c. Tag and disconnect low water pump wiring from junction box on back of electric steam boiler. d. Disconnect high pressure flexible hose (1) from boiler inlet line. e. Disconnect two hoses (2) from motor sensing valve (3). f. Remove four screws (4), nuts (5), lockwashers (6), and washers (7).  Discard lockwashers. g. Remove boiler low water pump (8) and mounting bracket (9) from floor mount (10).


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