Door Switch Adjustment - Vulcan-Hart ML-126743 Service Manual

VC4E & VC6E Series Full Size Electric Convection Ovens - SERVICE PROCEDURES AND ADJUSTMENTS
A. Replace if bent and adjust as outlined in this
procedure.
3. Open and close the doors several times while
observing the catch roller operation.
A. Replace if malfunctioning and adjust as
outlined in this procedure.
NOTE: Shims may be required under the door strike
to raise it, before the proper door tension adjustment
can be set.
4. Apply lubricant around the spring. See
LUBRICATION under GENERAL.
5. Close the doors and check them for proper
alignment.
A. Doors should be centered and parallel at the
top and bottom, in the oven cavity opening.
See DOOR ADJUSTMENT.
6. With the doors closed, observe the position of the
catch roller "ball" in relation to the door strike.
A. Ensure the catch roller "ball" is centered (left
to right) to the door strike.
1) Adjust alignment, if necessary.
B. Open the right side door and view the left
side door catch roller and strike. Ensure the
door catch roller "ball" is resting upon the
angular surface of the door strike. Repeat
on the opposite door.
1) If adjustment is necessary, loosen the
mounting screws then slide the door
strike from "front to back" until the roller
rests upon the angular surface of the
door strike. Tighten screws and check
operation.
2) If proper adjustment cannot be
achieved, add shims beneath the door
strike. Repeat step 6 thru this step.
NOTE: DO NOT BEND THE DOOR STRIKE.
7. Each oven door should open with a force of 8 to
25 pounds when pulled at the handle. See
TOOLS under GENERAL.
A. Adjust catch roller tension as follows:
1) Turn the set screw inside the catch
assembly housing clockwise to
increase tension on the catch roller and
counterclockwise to decrease tension
on the catch roller.
NOTE: The amount of tension on the catch roller
determines the opening force of the door.
F25105 Rev. B (0217)
2)

DOOR SWITCH ADJUSTMENT

1. Remove the top front cover as outlined under
COVERS AND PANELS in REMOVAL AND
REPLACEMENT OF PARTS.
2. Door operation:
A. Independent doors - The switch actuator
should be operated by the switch lever when
the right door is between 1" and 1 1/2" from
being closed.
B. Simultaneous doors - The switch actuator
should be operated by the switch lever when
the right door is 1/2" from being closed.
3. If adjustment is necessary, bend the switch
actuator to obtain the proper setting.
Page 28 of 64
Continue adjustment until proper door
operation is achieved.
Fig. 45
Disconnect the
electrical power to the machine and
follow lockout / tagout procedures.
There may be multiple circuits. Be sure
all circuits are disconnected.