2-69. CAGE PANEL ASSEMBLY REPLACEMENT/REPAIR (CONT)
Tag and remove two pressure gage lines from switch.
Remove conduit from switch.
Tag and disconnect two wires.
To prevent switch from dropping, be sure to support it when removing screws.
Hold switch and remove two screws and lockwashers. Remove switch.
Install switch. Install two lockwashers and screws.
Connect two wires. Remove tags.
Install conduit on switch.
Install two pressure gage lines. Remove tags.
Plug in pretreatment assembly power cable.
e. Pressure Indicator Gage Replacement
Procedures for replacement of pressure indicator gages PI-1, PI-2, and PI-3 are the same.
Remove pressure gage line from rear of gage.