Metro TC90S/B Insulated Cabinet - Manual (Page 6)

5
TC90S / TC90B SERIES
CABINET REPLACEMENT
PROCEDURE CHART
CAUTION: Before any repair/replacement pf parts, be
certain to disconnect cord from power source.
PARTS TO BE REPLACED REPLACEMENT PROCEDURE
1. Heat Element 1. Remove door and slide racks.
(Refer to Complete Door)
2. Remove control panel. (Refer to
Complete Control Panel)
3. Remove thermostat and
thermometer bulb clamp located
on the inside top front surface.
Remove bushing and then push
both bulbs (long thermostat bulb
fi rst) through the hole located
on the upper left corner of the
cabinet. Be careful not to bend
sharply or kink the capillary tubes.
4. Disconnect the RED & WHITE
wires from the terminal block of
the control panel. (NOTE: Record
the location of the wires so as to
reconnect correctly.)
5. Remove the outer wrapper
fasteners located at the
perimeter of the cabinet and
retain. NOTE: If replacing one or
both of the side elements only, it
is not necessary to remove the
fasteners at the bottom of the
door opening nor the fasteners
located at the underside of the
rear of the cabinet. Remove them
only if the bottom element is to
be replaced.
6. Remove the fasteners holding
the outer wrapper to the chassis
and retain.
7. Carefully lift the outer wrapper
vertically off of the chassis
being careful to feed the RED
& WHITE wires through the
bushing in the wrapper. Note that
the black thermal break strips
located around the perimeter of
the cabinet opening are free to
fall out of position, should this
happen, reposition them when
reinstalling the outer wrapper.
8. Before removing the fasteners
retaining the element covers,
note the position of the RED &
WHITE wires of the element.
Remove the element cover and
damaged element. To replace
the element with part number
RPC13-112, fi rst tape or wire
tie the new element wires to the
existing element wires, then tie a
wire or string to the banded wire
ends and while placing the outer
wrapper over the inner liner,
slowly draw the wires through the
lower starburst bushing located
on the outer wrapper side. Be
certain not to pinch any wires
during assembly of the cabinet.
Once the outer shell is in place,
1. Heat Element cut the new wire to the same
1. (continued) length as the existing wires and
then strip the ends of the wires
and attach a UL recognized
spade terminal.
9. Attach the element wires to the
terminal block of the control
panel at the prenoted locations
and reattach the control panel
and door to the cabinet.
2. Caster without 1. Lay cabinet over onto its back
1. Brake and remove mounting hardware.
2. Replace with part number B5DN.
3. Caster with 1. Lay cabinet over onto its back
1. Brake and remove mounting hardware.
2. Replace with part number B5DNB.
4. Thermometer 1. Remove clamp and replace with
1. Bulb Clamp part number RPC06-222.
5. Thermostat 1. Remove clamp and spacer and
1. Bulb Clamp replace with part number RPC06-
221 (Clamp), RPC11-129 (Spacer).
6. Thermal Breaks 1. Refer to Heat Element for
procedure. Replace with part
number RPC06-323 for vertical
thermal break. For horizontal
thermal break replace with part
number RPC06-324 for TC90S
RPC06-324A for TC90B.
7. Slide Racks 1. Lift straight up until bottom of
rack clears lower bracket and
swing bottom out. Drop straight
down to clear top brackets.
2. Replace with part number
RPTC90S-RACK (TC90S)
RPTC90B-RACK (TC90B)
8. Star Bushing 1. Remove thermometer and
thermostat bulb clamps and
carefully push the bulbs out
through the grommet being
certain not to bend or kink the
capillary tubes.
2. Pry out the bushing and replace
with part number RPC06-189.
9. Hinges 1. Remove damaged hinge and
replace with part number
RPHINGE-4000. See Complete
Door for adjustment.
9A. Hinge Pin 1. Replace with part number
RPF07-050A.
10. Complete Door 1. Open door and swing open to
180° to clear cabinet hinge pins.
Lift door off hinges.
2. Replace with part number
RPTC90S-300G (TC90S)
RPTC90B-300G (TC90B)
NOTE: Be certain to check door gasket seal is equal all
around door before tightening the hinge screws. When door
is properly adjusted, it will close properly when simply swung
closed. (No hand pressure)
PARTS TO BE REPLACED REPLACEMENT PROCEDURE