25
Models 441 & 444
Troubleshooting Guide
PROBLEM
PROBABLE CAUSE
REMEDY
PAGE
REF.
9. Excessive mix leakage
into the rear drip pan.
a. Worn or missing drive
shaft seal.
a. Replace regularly.
26
b. Inadequate lubrication of
drive shaft seal.
b. Lubricate properly.
13
c. The seal is installed
inside- out on the drive
shaft.
c. Install correctly.
13
d. Worn rear shell bearing.
d. Call service technician to
replace rear shell bearing.
- -
e. Drive shaft works forward.
e. Call service technician.
- -
f. Wrong type of lubricant is
being used (example:
petroleum base.).
f. Use the proper lubricant
(example: Taylor Lube).
- -
10. Excessive mix leakage
from the door spout.
a. Worn or missing draw
valve o- rings.
a. Replace regularly.
26
b. Inadequate lubrication of
the draw valve o- rings.
b. Lubricate properly.
14
c. The wrong type of
lubricant is being used
(example: petroleum base
lubricant.).
c. Use the proper lubricant
(example: Taylor Lube).
- -
11. Low overrun.
a. Worn scraper blade(s).
a. Replace regularly.
26
b. The mix feed assembly is
not installed.
b. Install in mix inlet hole.
17
c. Product is broken down
from over- beating.
c. Draw off some product to
allow fresh product to
enter the freezing cylinder.
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12. The freezer door works
loose.
a. The freezer studs are
damaged.
a. Call service technician to
replace studs.
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b. The handscrews are not
tightened.
b. Tighten the handscrews
equally in a crisscross
pattern.
15
c. Handscrews are
damaged.
c. Replace the handscrews.
- -
d. Freezer door has
enlarged holes.
d. Replace the door.
- -
e. The beater assembly is
rubbing the back of the
door.
e. Call service technician to
correct the problem.
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