6.3 Push the mixing rod all the way to the bottom of the cartridge and with a clockwise  motion begin mixing 60 complete strokes.  In and out constitutes one complete  stroke, 

6.4 Push mixing rod all the way in, then unscrew the mixing rod remove from cartridge  and discard.  With a quick motion, place the cartridge unto the threaded injection  fitting of the SV Closure and screw tightly into place.

6.5 Disengage the thumb screw from the threads of the injection handle.  Using a fas  and steady motion, inject the compound into the Sv closure until the compound  flows bubble free from the vent holes.  Seal vent holes with vent plugs and tape  over plugs to secure them in place.

6.6 Engage the thumb screw into the threads of the injection handle.  Continue injecting compound at a rate of 3 minutes per cartridge until the required amount  of compound has been injected or until a good back preessure is attained.  Re move  the cartridge from the injection fitting and make certain that the ball in the  fitting is at the top in the closed position.  If the ball is not in a closed position, add  an additional cartridge.