PopMaxx with
Lighted Sign
Model No. 2552-00-001
Page 12
gmpopcorn.com
Agitator Set Collar Adjustment
The following instructions describe how to properly adjust set collars on an agitator assembly
with a floating stir rod.
Drive Motor
Spur Gear
Agitator’s Spur Gear
(should set halfway up on
Drive Motor Spur Gear)
Set Collar
w/Set screw
Spur Gear Placement
Needle Bearing
(should set at least
halfway into Gear Block)
Gear Block
Step 1:
Turn machine OFF, unplug unit, and
allow it to cool completely before attempting
to adjust the agitator height.
Step 2:
Loosen the set screw in each set collar
to be adjusted.
Step 3:
With the kettle mounted in the popper,
adjust the shaft so the Spur Gears are halfway
engaged, and the Needle Bearing is at least
halfway engaged in the gear block (reference
image at right).
DO NOT
set spur gears at full gear contact; it
can cause binding as the kettle is dumped.
Step 4:
Snug tighten only, the set screw in set
collar above the crossbar to hold position. Then,
lift the agitator weight and check the clearance
between the shaft and the kettle bottom. If
there is adequate clearance, fully tighten the set
screw to secure set collar in place.
Step 5:
Adjust clearance between the bottom of
the crossbar and the lower set collar to 1/32”
(thickness of a dime); then re-tighten set screw
to secure in place (reference image).
Step 6:
Adjust set collar for agitator weight to
be between 3/16” to 1/4” above the agitator
weight. Once adjusted,
re-tighten set screw
to secure in place.
Agitator shown for general
image reference only (lids
not shown for clarity).
Adjust clearance to
thickness of a dime.
3/16” to 1/4” max.
Steps to Adjust Set Collars
Set Collar above Crossbar
Lower Set Collar
(below Crossbar)
Set Collar
(for Agitator Weight)
Agitator Weight
Stir Rod
Crossbar
Agitator Shaft
