Merco Savory RT-2VSHO, RT-2VSE User Manual

Model RT

-

2VSE

PARTS & SERVICE MANUAL

for

RT-2VSE & RT-2VSHO

TOASTER

The information found in this manual will prove very helpful. Although the instructions are easy to
follow, all repair procedures should be carried out by a qualified Merco Savory Certified Service
Representative.

THIS MANUAL SHOULD BE RETAINED FOR FUTURE USE

RT2VSEsvcmanual REV: 7/13/07

PARTS REPLACEMENT

A – CASE REMOVAL

E – INFINITE CONTROL SWITCH

(For models: RT-2VSE & RT2-VSHO)

WARNING: Disconnect unit from power source before attempting any service.

!

1. Remove reflector tray, toast pan and delivery
chute.

2. Remove the 2 screws along the front trim panel
and remove.

3. Remove left front panel.

4. Remove the 4 screws holding control panel to
unit and carefully pull panel towards you with all
wires intact. Slide control panel towards center
of unit.

5. With hands on each side of case, pull forward to
remove.

B – CASE REPLACEMENT

1. Slide case over unit making sure tabs on the
sides and top of case fit into grooves on back of
unit.

2. Carefully replace control panel.

3. Replace left front panel and front trim panel.

4. Replace reflector tray, toast pan and delivery
chute.

C – ON/OFF (MAIN POWER) SWITCH

1. With control panel removed, remove the 2
slotted screws holding the ON/OFF switch to the
control panel.

2. Disconnect wires and remove switch.

3. Install new switch from rear of panel and
reconnect wires. (Refer to appropriate wiring
diagram)

D – CONVEYOR ON/OFF SWITCH

1. With the control panel removed, disconnect
wires to switch noting proper orientation.

2. Remove bezel from front of panel and push
switch through back of panel.

3. Insert new switch from back of panel. NOTE:
Be sure terminals are in correct position.

4. Attach bezel on front of panel and tighten.

5. Re-attach wires to switch. (Refer to appropriate
wiring diagram.)

1. With control panel removed, remove the infinite
control knob to gain access to the 2 slotted
screws that hold the control to the unit. Remove
these 2 screws.

2. Disconnect wires from infinite switch terminals.

3. Install new switch from back of panel and reattach
wires. (Refer to appropriate wiring diagram).

F – BUN-TOAST SWITCH

1. Remove control panel.

2. The bun-toast switch is held in place by a spring
clip on the back of the control panel. Pry this clip
from the 2 switch tabs and remove.

3. Squeeze the spring clip together and push it
through the front of the control panel.

4. Disconnect wires from switch.

5. Install new switch from front of panel. (NOTE:
New switch has spring clip already attached.)

6. Re-attach wires to switch. (Refer to appropriate
wiring diagram.)

G – SPEED CONTROL

1. With control panel removed, loosen set screws on
speed control knob and remove.

2. Remove retaining nut that holds speed control in
place and remove from back of panel.

3. Disconnect motor lead and on/off lead from speed
control.

4. Reverse this procedure to install new assembly.
(Refer to appropriate wiring diagram.)

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2

H – GEAR MOTOR

1. With outer case removed, disconnect motor

J – DRIVE (MO

TOR) SPROCKET

leads from on/off switch and terminal block and
cut wire ties at floor panel.

2. Remove the 2 retaining bolts from the underside
of the unit.

3. Remove the drive chain and lift out motor.

4. Separate motor from motor mounting bracket by
removing the 4 slotted screws on the bracket.

5. Using a 1/16” allen wrench, remove the drive
sprocket from the motor shaft.

6. Attach new gear motor to motor mounting
bracket.

7. Install drive sprocket on motor shaft making
sure the Allen screw rests on the flat of the
shaft. Do not tighten set screw.

8. Install new motor with bracket attached. DO
NOT tighten remaining bolts.

9. Replace drive chain over sprockets.

10. Slide motor to right until drive chain is taut.
There should be approximately ¼” play in the
drive chain.

11. Check drive chain alignment. Tighten drive
sprocket set screws.

12. Reattach motor leads to on/off switch and
conveyor speed control. (Refer to appropriate
wiring diagram.)

I – DRIVE CHAIN

1. With outer case removed, loosen the two motor
mounting bracket retaining bolts on underside of
unit, but DO NOT remove.

2. Slide motor to the left to loosen drive chain
tension.

3. Remove drive chain.

4. Install new chain over sprockets with open
looped side of chain facing out.

5. Slide motor to right to tighten drive chain
tension. There should be approximately ¼” play
in the drive chain.

6. Check for proper drive chain alignment (See
figures 6 and 7).

7. Tighten motor mounting bracket retaining bolts
on underside of unit.

1. With outer case removed and drive chain
removed, loosen the set screw on sprocket with a
¼” allen wrench and remove sprocket.

2. Install new sprocket on motor shaft making sure
allen screw rests on the flat of the shaft.

3. Replace drive chain.

K – REAR (CONVEYOR) SHAFT SPROCKET

1. With outer case removed and drive chain
removed, loosen the two set screws on sprocket
with a 1/16” allen wrench and remove sprocket.

2. Install new sprocket on conveyor shaft aligning
the two set screws with the holes on the shaft.

3. Replace drive chain.

RT-2VSE/VSHO Service Manual

3

L –

CONVEYOR CHAIN

Figure 8

1. With outer case removed, loosen motor
mounting bracket retaining bolts on underside of
unit and slide motor to the left.

2. Loosen rear shaft adjusting bracket nuts and
bearing retaining bracket nuts on both sides of
unit.

3. Slide rear conveyor shaft forward to loosen the
tension.

4. Separate the chain at any link and slide out from
front of unit.

5. Before installing new chain, check for proper
orientation (see Figure 8) and correct number of
links.

6. Starting at front of unit, slide chain under front
shaft and push towards rear of unit. Bring chain
up and over rear shaft assembly and pull
towards front. Connect links. CAUTION: MAKE
SURE CHAIN IS NOT INSTALLED AT AN
ANGLE.

7. Push back on rear shaft assembly until excess
slack is removed from chain. Holding tension,
tighten both the rear shaft adjusting brackets
and bearing retaining brackets on both sides of
unit.

8. Check for proper tension. There should be
approximately ” to ¾” space between the
conveyor chain and the ledge on the inside of
the unit cavity.

9. Slide motor to the right to tighten drive chain
tension. There should be approximately ¼” play
in the drive chain.

10. Tighten motor mounting bracket retaining bolts
on underside of unit.

Spacer Nuts

Rear Shaft
Assembly

Wire Belt

Spacer Nuts

Bearing

Retainer

Tension Adjusting
Bracket

RT-2VSE/VSHO Service Manual

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Front Shaft

Assembly

Front Spacer

Bearing

Bearing
Retainer