Service manual

M411433 71

Section 6 Adjustments

To reduce the risk of electric shock, fire, explosion, serious injury or death:

• Disconnect electric power to the tumbler before servicing.

• Close gas shut-off valve to gas tumbler before servicing.

• Close steam valve to steam tumbler before servicing.

• Never start the tumbler with any guards/panels removed.

• Whenever ground wires are removed during servicing, these ground wires must be

reconnected to ensure that the tumbler is properly grounded.

W002

WARNING

81. LOADING DOOR SWITCH

Refer to Figure 43.

The door switch should be adjusted so the cylinder

stops when door is opened two inches (51 mm), plus or

minus 1/4 inch (6 mm). This switch is a normally open

switch and is closed when the door is closed.

a. Close door and start tumbler, then slowly open

loading door. Cylinder and heat system should

shut off when door is open two inches (51 mm)

plus or minus 1/4 inch (6 mm).

b. Slowly close loading door. When door is two

inches (51 mm) from being fully closed, the tab

on the door should contact the switch rod and

depress it enough to close the switch with an

audible “click”.

c. If tab does not depress the switch rod enough to

operate the switch, adjust switch position. If

switch position doesn’t achieve proper

operation, bend tab outward and repeat steps

“a” and “b”.

Figure 43

SWITCH

ARM

ADJUSTING

SCREWS

DOOR

SWITCH

INTERLOCK

ROD

SWITCH

BRACKET

TAB

T249IE1C