18
Model 428Operating Procedures
Step 12
With the ice buster in place, rotate the draw valve to
allow installation of the draw handle. This will lock the
ice buster in place. Install the draw handle pin, and
close the draw valve by moving the handle to the left.
Figure 19
Step 13
Place the large rubber gasket into the groove on the
back side of the freezer door . Slide the white, plastic
front bearing onto the bearing hub, making certain that
the flanged end of the bearing is resting against the
freezer door. DO NOT lubricate the door gasket or
front bearing.
Figure 20
Step 14
Position the freezer door on the 4 studs on the front of
the freezing cylinder. Install the handscrews. T ighten
equally in a criss-cross pattern to insure the door is
snug. Do not over-tighten.
Step 15
Position the torque arm by inserting it through the slot
in the torque switch arm and down into the hole in the
torque rotor which protrudes from the door . V erify
proper installation by moving the torque rotor back and
forth to be sure it moves freely and easily.
Figure 21
Proceed to Step 16 on page 21.
Freezer Door Assembly - Self- Closin g /
Prime Plug Door
Note: The Model 428 comes equipped with two
door options: a standard door without a prime
plug or a self- closing door with a prime plug.
Follow the appropriate assembly procedures for your
style door. (For standard door ([no pr ime plug]
assembly instructions, go to page 17 and perform
Steps 8 - 15).
Step A - Self- Closing Door Assembly
Install the o- rings on the draw valve and lubricate.
Figure 22
