TROUBLESHOOTING GUIDE
8-3
Models 8752, 8756, and 8757
Troubleshooting Guide
8
4. Product is too soft. a. Viscosity control is set too warm. a. Contact a service technician. - - -
b. Worn scraper blades. b. Replace scraper blades regularly. 9-1
c. Dirty condensers or air filters on
air-cooled machines.
c. Clean monthly.
7-1
d. Inadequate water supply on
water-cooled machines.
d. Check the water supply. Check water
lines for leaks or kinks.
1-2/7-1
e. Draw rate is set too fast e. Adjust the draw rate to 5 to 7-1/2 oz.
of product every 10 seconds. Check
that the restrictive bar on the draw
handle is assembled on the bottom.
f. Inadequate air space around
air-cooled machines.
f. Allow adequate room for air flow
across the condensers; minimum of
3 in. (7.6 cm) clearance on all sides.
Do not obstruct air discharge on the
top of the freezer. Allow 12 in.
(30.5 cm) clearance on the top of the
freezer.
1-2
5. Mix in the mix cabinet is
too warm.
a. Warm mix was placed in the tank. a. Mix added to the mix tank should be
below 40
°F (4.4°C).
7-1
b. The mix cabinet door was left
open.
b. The door must be kept closed. 6-13
c. The mix cabinet refrigeration
system needs adjustment.
c. Contact a service technician. - - -
d. The mix cabinet door gasket is not
sealing.
d. Repair or replace gasket.
- - -
e. Dirty mix cabinet condenser or air
filter.
e. Clean monthly.
7-1
6. Mix in the mix cabinet is
too cold.
a. The mix cabinet refrigeration
system needs adjustment.
a. Contact a service technician.
7. Excessive mix leakage
from the bottom of the
door spout.
a. Worn, missing, or incorrect O-ring
is on the draw valve.
a. Check the O-rings.
(Replace every 3 months.)
9-1
b. Improper lubrication on the draw
valve O-rings.
b. Lubricate properly.
6-2
8. Excessive mix leakage
into the rear drip pan.
a. Worn or missing driveshaft seal. a. Install or replace the seal. 6-1/9-1
b. Improper lubrication of the
driveshaft.
b. Lubricate properly.
6-1
c. Worn rear-shell bearing. c. Contact a service technician to
replace the rear-shell bearing.
- - -
d. The gearbox is out of alignment. d. Contact a service technician to align
the gearbox.
- - -
9. The driveshaft is stuck in
the gearbox coupling.
a. The gear box is out of alignment. a. Contact a service technician to align
the gear box.
- - -
b. Rounded corners on hex end of
driveshaft or gear coupling.
b. Replace damaged component.
- - -
Problem Probable Cause Remedy
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