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Model 390 Tim Hortons Operating Procedures
131009
Section 6 Operating Procedures
The Model 390 freezer is designed to produce slush
product at the desired thickness. This unit has a 7
quart freezing cylinder.
We begin our instructions at the point where we
enter the store in the morning and find the parts
disassembled and laid out to air dry from the
previous night's brush cleaning.
These opening procedures will show you how to
assemble these parts into the freezer, sanitize them,
and prime the freezer with fresh mix in preparation
to serve your first portion.
If you are disassembling the machine for the first
time or need information to get to this point in our
instructions, turn to page 20, “Disassembly”, and
start there.
Assembly
Note: When lubricating parts, use an approved food
grade lubricant (example: Taylor Lube).
Step 1
Lubricate the groove on the drive shaft and slide the
o-ring in place. Lubricate the o-ring and shaft
portion that comes in contact with the bearing. DO
NOT lubricate the square end of the drive shaft.
Lubricate the boot seal groove, and slide the boot
seal over the shaft and groove until it snaps into
place. Fill the inside portion of the seal with 1/4”
more lubricant and evenly lubricate the end of the
seal that fits onto the rear shell bearing.
Figure 5
Note: Do not install the boot seal inside out.
Step 2
Insert the beater drive shaft into the rear shell
bearing and engage the square end firmly into the
female socket of the drive unit. Be certain that the
drive shaft fits into the drive coupling without
binding.
Figure 6
Step 3
Check the scraper blades for any nicks or signs of
wear. If any nicks are present or if the blade is worn,
replace both blades.
Step 4
If the blades are in good condition, place the rear
scraper blade over the rear holding pin (knife edge
to the outside). Holding the blade on the beater, turn
it over and install the front blade the same way.
Figure 7
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