5-23. REMOVE/INSTALL PYROMETER INDICATOR/CONTROL.
This task consists of:
General Mechanics Tool Kit, (Appendix B, Section III, Item 2)
Lockwashers, (Appendix F)
General Safety Instructions
Before performing any maintenance actions on electrical equipment, ensure all electrical power has been
turned off. Death or serious injury may occur from failure to do this.
Remove Pyrometer Indicator/Control. See Figure 5-23.
a. At MAIN POWER PANEL, set circuit breaker A1CB18 to OFF.
b. Open latch and pull out pyrometer from panel mounting. Disconnect electrical plug and remove pyrometer.
c. Remove housing assembly by removing four bolts, flat washers and lockwashers.
Remove housing assembly with brackets attached.
d. Remove eight screws and flat washers securing two brackets to housing assembly.
e. Tag for reconnection and disconnect electrical leads and conduit from housing assembly.
Install Pyrometer Indicator/Control. See Figure 5-23.
a. Connect conduit and electrical leads to housing assembly. Remove tags.
b. Install two brackets on housing assembly with eight screws and flat washers.
c. Position housing assembly, with brackets attached, in cabinet. Secure brackets with four flat washers,
lockwashers, and bolts.
d. Connect electrical plug and slide pyrometer into panel mounting. Close latch.
a. At MAIN POWER PANEL, set circuit breaker A1CB18 to ON.
e. Prepare and operate water system using internal water tank as source in accordance with procedures listed in
Check for proper operation.