4-27. REMOVE/INSTALL VACUUM-AIR PRESSURE SYSTEM-continued
Clean teflon tape from pipe and fittings.
Remove stopcock assembly. See figure 4-19.
Remove drawer No. 9.
Loosen hose clamps and remove hoses from hose barb.
Remove reducer and hose barb from elbow.
Remove stopcock mounting nut.
Remove nipple fitting from stopcock assembly
Remove stopcock from countertop.
Clean teflon tape from all male pipe and threads fittings.
Install air surge tank. See figure 4-19.
Apply teflon tape, to male fittings. Be sure to wrap teflon tape in same direction of pipe
Install drain relief valve.
Install the two T fittings to side and bottom of tank.
Install drain cock to bottom T" fitting. Place air surge tank strap over top of surge tank
and place new air surge tank into storage cabinet No. 9. Install two mounting screws,
flat washers, lockwashers and nuts.
Install the air surge tank strap screw to cabinet wall.
Secure three hoses and hose clamps at side and bottom of the tank.
Install stopcock assembly. See figure 4-19.
Apply teflon tape to all male fittings. Be sure to wrap teflon tape in same direction of
Install pipe nipple onto stopcock assembly.
Place stopcock assembly into stopcock mounting on countertop.