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PAGE 11
PIZZAS OF EIGHT PIZZA SYSTEMS
OPERATOR'S MANUAL
MODEL PC18
MAINTENANCE PROCEDURES CONT.
D. REPLACING THE SPEED CONTROL (see below)
1) DISCONNECT UNIT FROM POWER SOURCE.
2) Remove the speed control knob and the locking nut holding the speed control in place.
3) Wires from speed control go in to terminal block located on side of chassis. Remove wires for old
speed control and insert wires for new speed in control in same positions as shown on wiring
diagram on page 14.
4) When replacing the speed control in the side panel be sure to reposition the anti-rotation tab in the
slot as shown.
5) Replace locking nut and control knob
E. REPLACING HEAT CONTROLS
1) DISCONNECT UNIT FROM POWER SOURCE.
2) Remove the control box cover by removing the two screws and pulling down and out to the front.
3) Remove the lock washers and nuts holding the mounting brackets in place as shown above in
figure 3.
4) Place the new control into position and replace mounting nut and washer, exchange wires one
terminal at a time from the defective control.
5) Replace control box cover.
1). Bottom Heat Control
2).Top Heat Control
3). Heat Limit Switch
4)
.
Drive Motor
5). Terminal Strip
MOUNTING PLATE
CUT AWAY VIEW
OF CONTROL
BOX
NUT
WASHER
MOUNTING STUDS
FIG.3
HEAT CONTROL
FAN SWITCH
WASHER
NUT
NUT
KNOB
SWITCH
MODEL
PC18
1
2
3
4
5