Automatic Products Showcase 748, Operating Manual

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APi 748 V1.1 406 5.2 P/N 77500001
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continuity. If so replace the compressor. Repeat
for the Run side of the compressor.
7. Check the high pressure cut-out switch for
continuity. It is located on the compressor
discharge line.
REPAIR AND REPLACEMENT
Most of the repair and replacement procedures for
the Merchandiser are of an obvious nature. The
following information is provided to aid service
personnel in repairing or replacing parts that
require additional information.
Turret Removal
1. Empty the Turret of all product to prevent
spillage.
2. Rotate the Turret until the “zero position”
magnet is facing straight forward, and shut off the
Main Power Switch.
3. Empty and remove the four storage racks.
4. Remove the single screw at the base of the
dividing wall, then slide it forward and remove.
5. Remove two screws from upper pivot bearing.
The bearing and pivot shaft will lay down on top of
the turret.
6. Lift the turret assembly straight up high enough
for turret base to clear the center bearing and
drive helicopter and remove the turret.
7. Reverse this procedure to reinstall the turret.
Delivery Door Removal
1. Remove the left-hand fluorescent lamp and the
white cover over the Delivery Door unlatch
mechanisms.
2. Remove the three screws from the bottom
runner of the door being replaced. (One screw on
the right end of the runner, two screws on the left
side of the Delivery Door opening.)
3. Slide the bottom runner out to the left.
4. Lift the bottom of the door out first, then the top.
5. Unhook the Delivery Door return spring.
6. To replace, reverse the above procedure.
CAUTION!
The Refrigeration Unit contains R404a under
high pressure. Refrigerant contact with skin
should be avoided and protective eyewear
must be worn. Repairs should only be
attempted by qualified technicians trained and
skilled in accepted refrigeration techniques
and procedures. Laws in the USA require
certification for opening a refrigeration unit for
repairs
NEVER introduce other refrigerants into this
system. Operating temperatures and
pressures will be affected and the refrigeration
unit will not operate correctly, possibly
damaging the unit.
CAUTION! The white cover
over the delivery door unlatch
mechanisms being removed
in step 1 of this procedure
must be replaced correctly to
ensure anti-cheat protection.
CAUTION! To prevent injury
of damage to the vendor, two
people are required to perform
the following procedure.
NOTE:
A long handled 3/8” nut driver (12” or more)
with a magnetized head in recommended for
step 5.