5-18. HIGH PRESSURE STEAM BOILER.
This task consists of:
General Mechanics Tool Kit, (Appendix B, Section III, Item 1)
Teflon Tape, (Appendix E, Section II, Item 157)
General Safety Instructions
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 High Pressure Steam Boiler. See Figure 5-14.
At Main Power Panel, set circuit breaker A1CB19 to OFF.
To prevent injury to personnel, be sure high pressure steam boiler has had time
to cool before performing any maintenance. Steam temperature as high as
600F (279.9C) can be obtained in this unit.
Remove cover from steam temperature control box (1). Tag and disconnect wiring and conduit (2) from pyrometer
fuse box (3).
Disconnect two unions (4) at each end of pipe from valve No. 2 to boiler (5) and remove pipe.
Disconnect union (6) at steam boiler relief valve (7) near top of boiler (5).
Disconnect inlet union (8) at bottom of boiler (5).
Remove three screws (9) securing boiler (5) to mount (10) and remove boiler.
Remove pipe fittings and relief valve (7) from boiler (5).