53
Models C708/C709/C716/C717
Troubleshooting
PROBLEM
CAUSE
REMEDY
7. Low overrun.
a. Bad scraper blades.
a. Replace scraper blades.
b. Faulty air/mix pump components
(C708/C716).
b. Inspect air/mix pump components
and replace those found faulty.
c. Restricted air intake (air/mix pump)
(C708/C716).
c. Clear restriction.
d. Long “ON” cycles.
d. See problem #2.
8. Draw valve leaking.
a. Worn or missing draw valve
o-rings.
a. Replace regularly.
b. Inadequate lube on draw valve
o-rings.
b. Lubricate properly.
c. Wrong type of lubricate being
used.
c. Use proper lubricant. Example:
Taylor Lube High Performance.
9. Product is not being fed into the
freezing cylinder.
a. Inadequate mix in the hopper (mix
out light is lit).
a. Fill hopper with mix.
b. Air/mix pump incorrectly
assembled (C708/C716).
b. Assemble pump according to
instructions in the Operator’s
Manual.
c. Incorrect usage of the mix feed
tube (C709/C717).
c. Follow the correct feed tube
procedures and use of the air
orifice.
10. No product being dispensed with
draw valve open and machine in
“AUTO” mode.
a. Plugged door spout.
a. Break down the machine and
dislodge the door spout clog.
b. Beater rotating counterclockwise.
b. Correct beater rotation to
clockwise.
c. Inadequate mix in the hopper (mix
out light is lit).
c. Fill hopper with mix.
11. Product too soft.
a. Not enough air space surrounding
unit.
a. Allow 6” (152 mm) minimum
clearance around both sides of
unit and place the back against a
wall.
b. Bad scraper blades.
b. Replace scraper blades.
c. Dirty air-cooled condenser.
c. Clean monthly.
d. Outdated mix.
d. Use fresh mix.
e. Refrigerant shortage.
e. Locate leak and repair.
f.
Product viscosity set too warm.
f.
Adjust product viscosity.
g. Incorrect usage of the mix feed
tube (C709/C717).
g. Follow the correct feed tube
procedures and use of the air
orifice.
h. Incorrect DBV setting.
h. See “Checking and Setting
Refrigeration Valves.”
12. Plugged door spout.
a. Poor scraping.
a. Replace scraper blades.
b. Damaged draw valve o-rings.
b. Replace o-rings.
c. Damaged beater assembly.
c. Inspect and replace if necessary.
d. Worn rear shell bearing.
d. Inspect and replace if necessary.
Summary of Contents for C708
Page 1: ...Models C708 C709 C716 C717 Heat Treatment Soft Serve Freezers Service Manual 059061 S 6 15 05 ...
Page 2: ......
Page 6: ...Table of Contents Models C708 C709 C716 C717 Notes ...
Page 22: ...16 Introduction Models C708 C709 C716 C717 Notes ...
Page 49: ...43 Models C708 C709 C716 C717 Systems Controls and Operations C708 C709 Control Overview ...
Page 50: ...44 Systems Controls and Operations Models C708 C709 C716 C717 C716 C717 Control Overview ...
Page 53: ...47 Models C708 C709 C716 C717 Systems Controls and Operations Refrigeration Schematic ...
Page 70: ...64 Troubleshooting Models C708 C709 C716 C717 Notes ...
Page 73: ...67 Models C708 C709 C716 C717 Parts Notes ...
Page 74: ...68 Parts Models C708 C709 C716 C717 Model C708 Exploded View ...
Page 78: ...72 Parts Models C708 C709 C716 C717 Model C709 Exploded View ...
Page 82: ...76 Parts Models C708 C709 C716 C717 Model C716 Exploded View ...
Page 86: ...80 Parts Models C708 C709 C716 C717 Model C717 Exploded View ...
Page 133: ...C708 C709 057010 27 Rev 6 05 ...
Page 134: ...C708 C709 057010 33 Rev 6 05 ...
Page 135: ...C708 C709 057010 40 Rev 6 05 ...
Page 136: ...C708 C709 057010 58 Rev 6 05 ...
Page 137: ...Model C716 059900 27 Rev 2 06 ...
Page 138: ...Model C716 059900 27 Inset 1 2 06 ...
Page 139: ...Model C716 059900 27 Inset 2 2 06 ...
Page 140: ...Model C716 059900 33 Rev 2 06 ...
Page 141: ...Model C716 059900 40 Rev 2 06 ...
Page 142: ...Model C716 059900 58 Rev 2 06 ...
Page 143: ...Model C717 059901 27 6 05 ...
Page 144: ...Model C717 059901 27 Inset 1 6 05 ...
Page 145: ...Model C717 059901 27 Inset 2 6 05 ...
Page 146: ...Model C717 059901 33 6 05 ...
Page 147: ...Model C717 059901 40 6 05 ...
Page 148: ...Model C717 059901 58 6 05 ...