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11. Position the replacement motor on the motor
mounting plate and install mounting bolts and
washers. Hand tighten mounting bolts only.
12. Reconnect lead wires at the motor, replace
conduit and junction box cover.
NOTE: Check data plate on motor for wiring
schematic. The motor must rotate clockwise when
viewed from the shaft end.
Fig. 29
13. Slide blower onto motor shaft until hub is flush
with end of shaft then tighten set screws.
14. Adjust motor position until blower is parallel to
motor mounting plate as outlined under
BLOWER ADJUSTMENT.
15. Position motor mounting plate on the rear wall
and secure with nuts and washers.
16. Replace the baffle panel and “snorkel”.
17. Replace the air baffle on the rear wall at the lower
right hand corner.
18. Remove cardboard from the bottom of the oven
cavity.
19. Install rack guides and racks.
20. Check oven for proper operation.
OVEN DOORS AND BEARINGS
(INDEPENDENT DOORS)
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
1. Remove the
TOP FRONT COVER and BOTTOM
FRONT COVER.
2. Remove the door switch lever.
Fig. 30
3. Remove the lower door seal strip to expose the
mounting screws of the door assembly.
4. Remove the two (2) lower sill bolts by the lower
door shaft and the four (4) counter-sunk screws
from the lower sill.
Fig. 31
NOTE: The door assembly is heavy and will drop
down once the last screw is removed. If removing door
assembly with-out assistance, the ignition cable,
flame sense lead and gas manifold should also be
removed to avoid damage to these components.
5. Tilt the top of the door slightly forward and lift the
door up until the bottom of the door shaft clears
the opening in the sill.
6. Lay the door flat to prevent damage.
7. The top and bottom bearings are now accessible
for inspection and/or replacement if needed.
A. If bearings are OK, proceed to step 8.
B. If replacing the top bearing, remove the top
bearing retainer and top bearing.
SG SERIES GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTS
F45525 Rev. A (0315) Page 14 of 33