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TM 10-6640-215-13 5-22.  REMOVE/INSTALL HIGH PRESSURE STEAM BOILER - continued. INSTALLATION Install High Pressure Steam Boiler.  See Figure 5-22. a.   Apply teflon tape to male fittings.  Be sure to wrap tape in same direction as pipe thread. b.   Install pipe fittings and relief valve on boiler. c.   Position temperature control box on steam boiler and install four grommets, flat washers and screws. d.   Connect conduit and two electrical leads to bottom of boiler.  Remove tags. e.   Position wire guard on boiler and install two screws. f. Screw temperature sensing bulb into bulb well. g.   Position boiler on mount. h.   Install two self-tapping metal screws in boiler. i. Connect inlet union at bottom of boiler. j. Connect boiler steam outlet and relief line unions at top of boiler. k.   Position pipe between valve No.  2 and boiler outlet.  Connect unions at each end of pipe. NOTE When connecting wiring from boiler to temperature control box, attach one wire to each bus bar. I. Connect wiring and conduit to steam temperature control box.  Remove tags. m. At MAIN POWER PANEL, set circuit breaker A1CB19 to ON. n.   Prepare  and  operate  water  system  using  internal  water  tank  as  source  in  accordance  with  procedures  listed  in paragraph 2-8. o.   Inspect for leaks and check for proper operation. 5-44


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