Merco Savory RT-2VSE - Manual (Page 3)

RT-2VSE/VSHO Service Manual 3
H – GEAR MOTOR
1. With outer case removed, disconnect motor
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.
J – DRIVE (MOTOR) SPROCKET
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.