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TM 10-6640-215-13 5-20.  REMOVE/INSTALL ELECTRIC STEAM BOILER - continued. INSTALLATION Install Electric Steam Boiler.  See Figure 5-19. a. Install wiring, conduit and junction boxes onto back of boiler.  Remove tags b. Apply teflon tape to male fittings.  Be sure to wrap tape in same direction as pipe thread. c. Install pipe fittings, drain valve, and safety valve on boiler. WARNING To prevent injury, two personnel are required to install electric steam boiler.  Boiler is very heavy. d. Position boiler in machinery room. e. Install four bolts, lockwashers, and washers. f. Connect pipe union at drain valve. g. Connect two pipe unions located on top of boiler. h. Open boiler access door.  Connect power input electrical wiring and conduit.  Remove tags. i. Close drain valve. j. Install boiler low water pump (para.  5-17) k. Install electric steam boiler low water cutoff pump control (para.  5-16) l. Install boiler sight glass (para.  5-18) m. Install operating/limit control switches (para.  5-19) n. Open water feed boiler valve located on equipment wall. o. At POWER PANEL No.  2, set circuit breaker A15CB5 to ON. p. Prepare and operate water system using internal water tank as source in accordance with procedures listed in paragraph 2-8. q. Inspect for leaks and check for proper operation. 5-38


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