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Disassembly Procedures
To avoid risk of electrical shock, personal injury or
death; disconnect power to microwave oven and
discharge the high voltage capacitor before performing
any disassembly procedures.
34 16027303 © 2006 Maytag Services
WARNING
!
Interlock Door Latch Switches Removal
Primary switch is operated by the top latch pawl.
Interlock Switch Removal
1. Disconnect power to oven and remove control panel,
see "Control Panel Removal" procedure.
2. Discharge high voltage capacitor, see "High Voltage
Capacitor Removal" procedure.
3. Test interlock switches before removing, see Testing
Procedures.
4. Disconnect and label wire connections.
5. Remove interlock switch.
Latch Board
Secondary Interlock Switch
Monitor Interlock Switch
Primary Interlock Switch
CAUTION!
Before replacing a blown monitor fuse, test the
primary interlock switch, secondary interlock switch,
monitor switch, and power relay contacts for proper
operation. If the monitor fuse is blown by a failed
switch operation, all switches and printed circuit board
must be replaced.
Adjusting Interlocks
The interlock monitor and primary switches act as a final
safety switch, protecting the operator from microwave
energy. After adjusting the interlock switches, verify
connections are correctly connected.
For door fit and switch operation, switch housing is
adjustable.
1. Disconnect power to oven and remove control panel,
see "Control Panel Removal" procedure.
2. Discharge high voltage capacitor, see "High Voltage
Capacitor Removal" procedure.
3. Loosen switch housing mounting screws on vertical
flange.
4. Close oven door, move latch board upward toward the
top of the oven and/or away from the door latch until
gaps are less than
1
/64–inch (0.5 mm).
5. Hold latch board securely for proper switch operation
and door fit, retighten screws.
6. Open the oven door slowly, watching the switches.
Verify switches release in the following order.
• Primary interlock switch
• Secondary interlock switch
• Monitor interlock switch
NOTE: Adjust the latch board until all switches operate
in proper sequence.
7. Close the oven door slowly, watching the switches.
Verify switches active in the following order.
• Monitor interlock switch
• Secondary interlock switch
• Primary interlock switch
8. When proper sequence of switch has been achieved,
tighten the latch board securely.
CAUTION!
A microwave leakage test must be preformed anytime
a door assembly is removed, replaced, disassembled
or adjustment of latch board is made.