Repair manual

MT3255 and MT3270
2-1
OVEN ASSEMBLY PROCEDURES
RETURN AIR DIVERTERS
1. Slide the return air diverters into the oven. The
edge of the diverter should be 3" (7.6 cm) from
the outside edge of the oven cavity.
IMPORTANT:
Note Orientation Of Return Air Diverters!
Left Hand
Diverter
Right Hand
Diverter
FIGURE 1
AIR NOZZLES
1. Install the nozzles from the center of the oven
working toward the ends. Make sure the botĆ
tom of the nozzle fits into the slot of the nozzle
support located at the front of the oven.
2. Secure the nozzle holdĆdown strip across the
inside front of the oven using the existing
screws on the wall.
CONVEYOR BELT SUPPORTS
1. Slide the left conveyor belt support (with the
sprocket on the end of the shaft) into the supĆ
port tracks. The sprocket must be located inĆ
side the control panel after being pushed into
the oven.
2. Fasten the 1/4Ć20 hex head screw from the
control box into the belt support.
3. Older Oven Models - install the washer beĆ
tween the control box and the tracks.
Later Oven Models - use a formed metal
dimple in place of the washer.
4. Slide the right conveyor belt support into the
support tracks until it touches the left support.
Make sure that the rack sides do not overlap.
WIRE CONVEYOR BELT
NOTE: The conveyor belt has loops on both sides.
The belt must be installed so the loops travĆ
el as shown in FIGURE 2.
1. Thread the wire belt from the right side of the
oven, lower level first.
2. After pushing the belt through on the lower levĆ
el, leave about 12" (30.5 cm) hanging out on
the left side.
3. Take the remainder of the belt, loop it around
the right shaft, and push it through on the upĆ
per level. The two ends of the belt should be
approximately 6Ć9" (15Ć22 cm) past the left
shaft (right shaft if right to left travel is required)
on the upper level of the belt support.
Side Belt Loops
Direction of
Travel
FIGURE 2