8-2
TROUBLESHOOTING GUIDE
Model 336, 338, 339
Troubleshooting Guide
8
6. The drive shaft is stuck in
the drive coupling.
a. Rounded corners of drive shaft,
coupling, or both.
a. Call a service technician to correct
cause and to replace the necessary
components. Do not lubricate the
hex end of the drive shaft.
---
b. Mix and lubricant collected in the drive
coupling.
b. Brush clean the rear shell bearing
area regularly.
6-10
7. The freezing cylinder
walls are scored.
a. The beater assembly is bent. a. Call a service technician to repair or
replace the beater and to correct the
cause of insufficient mix in the
freezing cylinder.
---
b. The front bearing is missing or worn on
the freezer door.
b. Install or replace the front bearing. 6-2
8. Excessive mix leakage
into the rear drip pan.
a. Missing or worn drive shaft seal on drive
shaft.
a. Install or replace regularly. 6-1/9-1
b. The rear shell bearing is worn. b. Call a service technician to replace
rear shell bearing.
---
9. Excessive mix leakage
from door spout.
a. Missing or worn draw valve O-rings. a. Install or replace regularly. 6-3/9-1
b. Inadequate lubrication of draw valve O-
rings.
b. Lubricate properly. 6-3
c. Wrong type of lubricant is being used
(example: petroleum-based lubricant).
c. Use the proper lubricant (example:
Taylor Lube).
6-1
10.No freezer operation
after pressing the AUTO
button.
a. Unit is unplugged. a. Plug into wall receptacle. ---
b. The circuit breaker is off or the fuse is
blown.
b. Turn the breaker on, or replace the
fuse.
---
c. The beater motor is out on reset. c. Reset the freezer. 5-2
d. The unit has gone off on high pressure
cut-out.
d. Allow the unit to cool and reset.
Check for dirty condenser (air-
cooled) or loss of water (water-
cooled).
7-1
11.Product is not feeding
into the freezing cylinder.
a. Inadequate level of mix in the mix
hopper.
a. Fill the mix hopper with mix. 6-8
b. The mix inlet hole is frozen up. b. The mix hopper temperature needs
adjustment. Call a service technician.
---
c. The air tube is installed incorrectly. c. Install the air tube in the mix inlet
hole, using the end with the small
hole in the side.
6-8
d. The air orifice is not installed. d. Install the air orifice in the air tube. 6-5
Problem Probable Cause Remedy
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