Removal And Replacement - Scotsman CME1856W User Manual

CME1856W

Removal and Replacement

Transformer and Compressor Starting
Components
Single phase compressors use a start relay, start
capacitor and run capacitor. All are located in a
sheet metal box to the right of the system
controller. The compressor contactor is also
located in that box.
1. Disconnect electrical power.
2. Remove front panel.
3. Remove 2 screws at the front edge of the metal
box, and pull the cover forward and out.
4. To check components, reconnect electrical
power.
Note: The contactor coil is 24 volt.
Evaporator Support Bracket
In the unlikely event that the evaporator support
bracket needs to be replaced, two people will be
needed.
1. Remove both front panels and the top panel.
2. Push and hold the Off button until the machine
stops.
3. Remove evaporator cover.
4. Remove the interior splash panels.
5. Remove the hoses from the water distributors.
6. Use wire ties to hang the front of the
evaporators from the upper cross brace.
7. Place a clean rag under the planned cut point
and saw the old bracket in half and remove it.
8. While holding the bracket so that the right end is
higher than the left, insert the right end in the
vertical channel in the right side of the freezing
compartment.
Then, while the helper lifts the right-most
evaporator slightly, push the bracket in from below.
Keep doing this and push up on the left end of the
new bracket.
The freezing compartment walls may be pushed
apart slightly to make this easier.
9. Push up enough on the left end of the bracket
until it snaps into the vertical channel in the left
side of the freezing compartment.
10. Check that all evaporators are properly seated
front and back.
11. Remove the wire ties, and return the splash
panels, hoses, and evaporator cover to their
normal positions. Check that water distributors are
in place.
12. Push and release the Freeze button to start the
machine.
13. Check operation.
14. Return the top and front panels to their normal
positions.
Refrigeration System Components
Due to the expected level of training and
experience of a refrigeration mechanic, detailed
instructions regarding the replacement of
refrigeration components will not be presented.
However, critical items will be noted here.
Evaporators
In the unlikely event that an evaporator may need
to be replaced, do NOT braze the evaporator joints
when the evaporators are seated in the freezing
compartment, instead lift them up slightly so that
the joints to be brazed are above the top edge of
the freezing compartment.
November 2001
Page 40