Figure 18 Front Door Assembly - Stoelting U421/U444 Owner's Manual

G. Assemble O-rings onto the spigot dry, without
lubrication. Then apply a thin film of sanitary lubricant
to the outside of the O-rings and spigot bodies.
H. Install the spigot through the bottom of the front
door ( see Figure 18).
Figure 18. Front Door Assembly
I. Assemble the air bleed valve O-ring onto the air
bleed valves. Position the O-ring in groove close to
the wide part. Apply a thin film of sanitary lubricant to
the O-rings.
J. Insert the air bleed valve from the back of the front
door. Install compression springs onto air bleed
valves, then screw knobs on finger tight.
K. Apply a thin film of sanitary lubricant to the door seal
O-rings, and fit into the grooves on the rear of the
front door.
L. Place the front door assembly on the mounting studs
and push front door against the freezer carefully.
M. Secure front door assembly by placing the knobs on
the studs and tighten until finger tight only. Do not
overtighten. ProperO-ring seal can be observed
through the transparent front door.
N. Move the spigot handles to the closed position.
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