Bearing And Breaker - Scotsman ND750 Service Manual

ND750
REMOVAL AND REPLACEMENT: Bearing And Breaker
Note: Removal of the auger, water seal,
evaporator and gearmotor must begin at the top of
the assembly.
To Remove the Breaker Bearing Assembly:
//////////////////////////////WARNING//////////////////////////
Disconnect the electrical power to the machine
at the building source BEFORE proceeding
with any repair.
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1. Remove panels and disconnect electrical power.
2. Unscrew three studs and remove ice chute
cover.
3. Unscrew and remove ice sweep.
4. Remove insulation halves from outside of ice
chute, loosen band clamp under ice chute, lift up
and remove ice chute.
5. The breaker may be removed from the auger
and evaporator without disturbing the auger.
a. Use spanner wrench and unscrew breaker
cover from breaker (left hand threads)
b. Unscrew auger stud from top of auger.
c. Unscrew 4 allen head cap screws holding
breaker to evaporator.
d. Lift up, and remove breaker/bearing assembly
from auger & evaporator.
6. Service the bearing. Check for rust, rough spots
and damage.
a. The bearing is pressed into the
STEP 5-A
ICE SWEEP
remove the bearing and replace it an arbor press
is needed.
b. Replace lower seals before installing new
bearing in breaker.
Note: seals must be pressed in with a tool pushing
against the outer edge only, they will not install by
hand.
Replace parts as required. Re-grease bearing with
Scotsman part no. 19-0609-01 bearing grease.
Replace top seal, and check the o-rings, replace if
cut or torn.
7. Reverse to reassemble: specific tools and
materials are required to install properly.
a. Add food grade grease such as Scotsman part
number 19-0569-01 to the seal area before
installing on the auger.
b. Check the seal to shaft areas for cuts, or rough
spots: none are permitted.
STEP 5-B
breaker, to
January, 1989
Page 24
STEPS 5-C
AND 6
BREAKER
BEARING