Scotsman FDE470, Service Manual

Page: 23 / 28

Bearings, Water Seal and Auger
1. Disconnect electrical power.
2. Shut off the water supply.
3. Remove the top panel.
4. Remove the side panels.
5. Drain the reservoir and evaporator.
6. Remove foam cap from the top of the
evaporator.
7. Remove the two permagum plugs from the side
of the evaporator.
8. Pull up on the ring to lift the auger out of the
evaporator.
If the auger will not lift out:
1. Remove snap ring holding bearing cover to
breaker.
2. Remove bearing cover.
3. Unscrew bolt holding bearing to auger.
4. Thread in a threaded rod and weight or
slide-hammer puller into the auger.
5. Use the threaded rod & weight or slide hammer
puller to remove the auger.
Or
1. Remove three cap screws holding evaporator to
the adapter stand.
2. Lift evaporator up slightly and tip the bottom out
to expose the splined end of the auger.
3. Use a plastic mallet or dead-blow hammer to tap
the bottom of the auger and force the auger up. Do
NOT damage the splines of the auger or the auger
will have to be replaced.
If the auger is "frozen" to the bottom bearing, do
not force the bottom bearing thru the evaporator.
1. Remove three cap screws holding evaporator to
the adapter stand.
2. Lift evaporator up slightly and tip the bottom out
to expose the splined end of the auger.
3. Remove snap ring holding bearing cover to
breaker.
4. Remove bearing cover.
5. Unscrew bolt holding bearing to auger.
6. Screw a length of threaded rod or a shoulder
screw into the auger.
7. Tap on the end of the threaded rod to push the
auger out of the bottom of the evaporator.
8. Replace the bearings and water seal. Replace
the auger if the splines are damaged. Replace the
evaporator if more than 1/3 of the vertical rifle
grooves are gone. Sand or hone and sand the
inside of the evaporator if mineral build up is heavy.
Snap Ring
Cap
Bolt
Washer
Top Bearing
Breaker
Auger
Water Seal
Coupling
Rotating parts hazard.
Disconnect Electrical
Power Before Beginning.
FDE470
August 1994
Page 23