Manitowoc SN12 Guide

Manitowoc SN12/SN20 Model Nugget Ice Machines
Cutter Head Replacement Instructions
1. Disconnect water supply.
2. Remove front panel.
3. Move toggle switch to CLEAN position after the 5 minute delay expires. The evaporator and float
chamber will drain.
4. Disconnect power at electrical disconnect.
5. Remove top, left and right side panels.
6. Remove ice chute assembly.
NOTE; if the ice wiper can not be hand removed; place the handle end of a screwdriver against the ice
wiper, then tap the screwdriver (counterclockwise) with a hammer to loosen the ice wiper from the
auger.
WARNING
Disconnect power to the ice machine at the electrical disconnect, moving
the toggle switch to the off position will not disconnect line voltage.
Manitowoc Foodservice
2110 South 26th Street, P.O. Box 1720, Manitowoc, WI 54221-1720 USA 000004021
Telephone [phone], Fax - Sales: 920-683-7589, Service/Parts: 920-683-7585, Other: 920-683-7879 Sheet 1 of 2
Web Site - www.manitowocice.com 08/25/08
REMOVE ICE DAMPER
REMOVE COVER
REMOVE STRAINER
REMOVE ICE WIPER
LOOSEN HOSE CLAMP AND
DISCONNECT DRAIN LINE
REMOVE ICE CHUTE

7. Peel evaporator insulation down to expose 3 bolts securing top cutter head - remove 3 bolts.
7. Use puller to remove cutter head from auger shaft. NOTE: If the bearing is destroyed or the auger heavily damaged
from bearing wear contact the Manitowoc service department @ 1-800-545-5720.
8. Install new cutter head and secure with three bolts removed in step 7. Use removable loctite on bolt
threads.
9. Reassemble chute assembly and test run ice machine.
Sheet2of2
Manitowoc Foodservice
2110 South 26th Street, P.O. Box 1720, Manitowoc, WI 54221-1720 USA 000004021
Telephone [phone], Fax - Sales: 920-683-7589, Service/Parts: 920-683-7585, Other: 920-683-7879 Sheet 2 of 2
Web Site - www.manitowocice.com 08/25/08