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G      Terminal Block

(Figure 2)

1.

Remove right side panel and bottom cover.

2.

Remove the wires at the terminal ends, noting
proper wire orientation.

3.

Remove the 2 nuts securing the terminal block
to the wall of the toaster.

4.

Reverse this procedure to install new terminal
block.
(Refer to wiring diagram)

H      Gearmotor and Motor Sprocket

(Figures 2 & 3)

1.

Remove right side panel and bottom cover.
(Section A)

2.

Loosen the 4 motor mounting screws and slide
motor to achieve slack in the drive chain.

3.

Loosen set screw on motor sprocket and
remove sprocket.

4.

Remove the 4 mounting screws and lift out
motor.

5.

Disconnect 2 wire leads from motor, one at the
wire connector and the other at the terminal
block.

6.

Reverse this procedure to install the new motor.
(Refer to wiring diagram)

I      Drive Chain

(Figures 3, 5 & 6)

1.

Remove right side panel. (Section A)

2.

Loosen, but do NOT remove the 4 mounting
screws. Slide motor to achieve slack in drive
chain and remove chain.

3.

When installing new chain, check for proper
chain orientation and tension.

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 retainer brackets
on both sides of the toaster.

3.

Loosen, but do NOT remove the tension adjusting brackets
on both sides of the toaster.

4.

Push front conveyor shaft towards the back of the toaster
to loosen belt tension.

5.

Separate the conveyor belt at any link and slide out of
toaster.

6.

When installing new conveyor belt, check for proper link
orientation.  (Figure 6)

7.

Starting at front of toaster, slide belt under front shaft and
push towards rear of unit. Bring belt up and over the rear
shaft and pull towards front of toaster. Make sure belt is
resting on both belt support guides. Reconnect links.

CAUTION: Make sure belt is not installed at an angle.

8.

Pull forward on front conveyor shaft until excess slack is
removed.

9.

Tighten tension adjusting brackets and bearing retainer
brackets on both sides of toaster.

                                                                            

4

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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