42
Models PH71/PH84Troubleshooting Guide
PROBLEM PROBABLE CAUSE REMEDY PAGE
REF.
11. Excessive mix leakage into
rear drip pan.
a. Worn or missing seal on drive
shaft.
a. Replace regularly. 44
b. Inadequate lubrication of drive
shaft.
b. Follow lubrication procedures
in “Assembly”.
21
c. Worn rear shell bearing. c. Call service technician to
replace rear shell bearing.
----
d. Seal installed inside-out on
drive shaft.
d. Install correctly. 21
e. Wrong type lubricant being
used (Example: petroleum
base lubricant).
e. Use proper lubricant
(Example: Taylor Lube HP).
21
12. Excessive mix leakage from
the door spout.
a. Worn or missing draw valve
o-rings.
a. Replace regularly. 44
b. Inadequate lubrication on
draw valve o-rings.
b. Lubricate properly. 23
c. Wrong type lubricant being
used (Example: petroleum
base lubricant).
c. Use food grade lubricant
(Example: Taylor Lube HP).
21
13. No freezer operation after
placing unit in AUTO.
a. Unit unplugged. a. Plug into wall receptacle. ----
b. Circuit breaker off or blown
fuse.
b. Turn circuit breaker on or
replace fuse.
----
c. Power switch in the OFF
position.
c. Place power switch to the ON
position.
13
14. Product not feeding into
freezing cylinder.
a. Inadequate mix in hopper. a. Fill hopper with mix. 32
b. Mix inlet hole frozen up. b. Hopper temperature needs
adjustment. Call service
technician.
----
15. Air/mix pump will not operate
in the AUTO mode with the
draw valve opened.
a. Pump drive out on reset. a. Reset pump. ----
16. Piston travels back and forth,
but product is not being
pumped.
a. Inspect check rings. a. Check rings must be installed
correctly, fit tightly, and not
have any holes or lubrication.
25
b. Inspect o-rings. b. O-rings must not be worn,
torn, or fit too loosely.
39
c. Check pump cylinder. c. Piston and valve body must
be assembled correctly and fit
snugly in pump cylinder.
25
d. Missing or defective spring or
poppet.
d. Replace. 27
17. Excessive pump cylinder
wear.
a. Inadequate or incorrect
lubrication of pump cylinder.
a. Follow lubrication procedures
carefully.
26
b. Incorrect ball crank rotation
(should be counterclockwise).
b. Contact service technician. ----
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