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C  Conveyor Speed Control/P.C. Board

(Figures 1 & 2)

1.

Remove bottom cover.

2.

Pull off speed control knob and remove the nut
securing the control board panel. Pull out the control
from the back of the control panel.

3.

Cut the wire harness tie and disconnect the 2 wire
leads at the wire connectors.

4.

Reverse this procedure to install the new assembly.

D   Heater Control Switches

(Figures 1 & 2)

1.

Remove bottom cover.

2.

Pull off heater control knob to gain access to the 2
slotted screws that secure the control to the control
panel.   Remove these 2 screws.

3.

Disconnect the wires from the control terminal ends,
noting the proper orientation of the wires.

4.

Install the new control securing with the 2 slotted
screws.

5.

Re-attach wires to the terminal ends.
(Refer to the wiring diagram)

E   Energy Saver Switch

(Figures 1 & 2)

1.

Remove bottom cover.

2.

On the front of the control panel, unscrew the rubber
switch boot and remove the black plastic mounting
bezel securing the switch to the panel.

3.

In order to gain easier access to the back of the
switch, remove the upper heater control, but do not
disconnect the wires.

4.

Disconnect the wires from the energy save switch
terminal ends, noting the proper wire orientation.

5.

Install the new switch to the back of the control
panel and secure with the black plastic mounting
bezel and rubber boot.

6.

Re-attach wires to the terminal ends.
(Refer to wiring diagram)

7.

Replace the upper heater control switch.

F      Fan / Fan Housing / Fan Motor

(Figure 2)

1.

Remove the bottom cover.

2.

Rotate Fan Blades which will expose 2 nuts
securing the fan housing to the motor. Remove
these two nuts to remove the housing.

3.

To remove the fan motor, but do NOT remove the
2 motor mounting bracket nuts. Slide the motor
until clearance is achieved.

4.

Cut the wire harness ties to gain access to the
wire connector. Disconnect the 2 wire leads from
the motor, one at the wire connector and one at
the terminal block.

5.

Insert the new motor into the motor mounting
bracket and tighten the 2 motor mounting bracket
nuts.

6.

Re-attach the two wire leads, one at the wire
connector and one at the terminal block.
(Refer to wiring diagram)

7.

Install fan housing and secure with the 2 nuts.

8.

IMPORTANT: BE SURE TO RE-TIE THE WIRE

HARNESS SO THAT THE WIRES DO NOT BLOCK THE
FAN FROM SPINNING FREELY

.

                                                                                   

3

Summary of Contents for ST-1

Page 1: ...er control knob 12919 Bearings 22754 Terminal block 21858 Conveyor belt assembly SS 58 links 14647 Control panel blank 14765 Gearmotor 120V 69716 Control panel decal 14763 Gearmotor 208V 240V 14674 1 adjustable legs 12668 Cooling fan motor 120V 14618 5 cord set 120V NEMA 5 15P 26047 Cooling fan motor 208V 14699 5 cord set 208V 240V NEMA 6 15P 26064 Cooling fan motor 240V 14675 Strain relief bushin...

Page 2: ... to install a new switch Refer to the wiring diagram 2 ST 1 PARTS REPLACEMENT INSRUCTIONS WARNING DISCONNECT TOASTER FROM POWER SOURCE BEFORE ATTEMPTING ANY SER VICE PROCEDURES General Information The information on the following pages will describe how to replace the most common components of the ST 1 toaster Though the instructions are easy to follow the work should be done by a qualified servic...

Page 3: ...h remove the upper heater control but do not disconnect the wires 4 Disconnect the wires from the energy save switch terminal ends noting the proper wire orientation 5 Install the new switch to the back of the control panel and secure with the black plastic mounting bezel and rubber boot 6 Re attach wires to the terminal ends Refer to wiring diagram 7 Replace the upper heater control switch F Fan ...

Page 4: ...sion J Conveyor Shaft Sprocket Figures 3 5 6 1 Remove right side panel Section A 2 Remove drive chain Section I 3 Loosen set screw on hub of sprocket and slide sprocket off shaft 4 When installing new sprocket make sure set screw rests in hole of shaft 5 Replace drive chain Section I K Conveyor Belt Figures 3 4 7 1 Remove right left side panels Section A 2 Loosen but do NOT remove the bearing reta...

Page 5: ...sides 3 Disconnect the 2 wires at heating element terminal ends 4 Carefully lift out assembly 5 Reverse this procedure to install new assembly Refer to wiring diagram N Lower Heating Element Assembly Figures 3 4 8 9 10 1 Remove right and left side panels Section A 2 Disconnect wires from both upper and lower heating element terminal ends 3 At left side of toaster bend the 2 protruding tabs to achi...

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Page 8: ...8 1111 N Hadley Rd Fort Wayne In 46804 Tel 800 701 2992 Fax 219 436 0735 www mercosavory com ...

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