AEC Continuous Vacuum/Pressure Conveying Systems - Manual (Page 34)

Single- and Dual-Blower Continuous Vacuum/Pressure Systems Page 33
Gradually and evenly tighten the packing gland bolts on either side of the rotor until the
motor current draw is about eighty percent (80%) of the rating listed on the motor
nameplate.
Run the airlock motor and airlock for thirty (30) minutes. Again, tighten the packing
gland bolts until the motor current draw is about eighty percent (80%) of the rated draw
of the motor.
Figure 6
Rotary Airlock Rotation and Material Flow
Note: Make sure the shear protector (pellet valve) is installed on top of rotary valve in
all pellet systems. Opening should be located above downward side of rotation.
Pressure
take-off
Motor
Air flow Air flow
Shear Protector
Opening