Service manual

Page 20
SERVICE (cont.)
START SWITCH - CT, CWT & SINGLE CW
Location:
The start switch is located in the center front
of the hood.
Test Procedure:
1. Disconnect the brewer from the power supply.
2. Disconnect the blue wire from the top switch
terminal and the white/red from the bottom switch
terminal.
3. Check for continuity across the two terminals on
the switch when it is held in the lower position.
Continuity must not be present across these
terminals in the upper position.
If continuity is present as described, reconnect the
blue wire to the top terminal and the white/red to the
bottom terminal.
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Remove the blue wire and white/red from the
start switch.
2. Compress the clips inside the hood and gently
push the switch through the opening.
3. Push new switch into the opening and spread
the clips to hold the start switch in the hood.
4. Refer to the following illustration when recon-
necting the wires.
P1133
P1153
10841 020503
Location:
The batch selector switch is located on the
front of the hood to the right of the start switch.
Test Procedure:
1. Disconnect the brewer from the power supply.
2. Disconnect the pink and tan wires from the switch
terminals.
3. Check for continuity across the two terminals
on the switch when it is in the both positions.
Continuity must be present across these terminals
only in the full position.
If continuity is not present as described, replace the
switch.
Removal and Replacement:
1. Remove the pink and tan wires from the
switch.
2. Compress the clips inside the hood and gently
push the switch through the opening.
3. Push new switch into the opening and spread
the clips to hold the switch in the hood.
4. Refer to the following illustration when recon-
necting the wires.
SELECTOR SWITCH - SINGLE CW only
P1153
P1918
TAN from timer
PNK from timer
WHI/RED to ON/OFF
Switch
BLU to BLU Lead
from Timer P1
FIG. 11 BATCH SELECTOR SWITCH LOCATION
FIG. 12 BATCH SELECTOR SWITCH WIRING
FIG. 13 START SELECTOR SWITCH LOCATION
FIG. 14 START SELECTOR SWITCH WIRING