3-7. REMOVE/INSTALL VACUUM-AIR PRESSURE PUMP.
This task consists of
Flat-Tip Screwdriver, Appendix C, Item 89
Cross-Tip Screwdriver, Appendix C, Item 86
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 Vacuum-Air Pressure Pump. (Figure 3-4).
Position the AIR-VAC switch to the off position.
Inside cabinet No. 4, unplug pump power cord from wall receptacle.
Open draincock for air surge tank and bleed air pressure from system.
Loosen screws for hose clamps on both sides of pump.
Tag and disconnect hoses and hose clamps from both sides of pump.
Remove four mounting screws and remove pump and mounting board to working
Remove wooden mounting board from defective pump.
Install Vacuum-Air Pressure Pump. (Figure 3-4).
On a working surface install new pump to wooden mount.
Align wooden mount to mounting platform in base of cabinet N0.9.