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Component Access
COMPONENT ACCESS AND REMOVAL
This section explains how to adjust, access and remove components in a Microwave Drawer Oven. An attempt has
been made to arrange these procedures in such a way as to simulate which components would need to be removed
first in order to gain access to other components. When following a component removal procedure, it may be neces-
sary to reference another component removal procedures listed earlier in this section.
NOTE: Before continuing, please take note of the WARNINGS and CAUTION below.
HIGH VOLTAGE: MICROWAVE OVENS CONTAIN CIRCUITRY CAPABLE OF PRODUCING VERY HIGH VOLT-
AGE AND CURRENT. CONTACT WITH THE FOLLOWING COMPONENTS MAY RESULT IN SERIOUS PER-
SONAL INJURY OR DEATH:
• TRANSFORMER
• CAPACITOR
• RECTIFIER
• MAGNETRON
• HIGH VOLTAGE HARNESS
• BEFORE SERVICING MICROWAVE OVEN, THE CAPACITOR MUST BE DISCHARGED BY SHORTING THE
CONNECTING LEAD OF THE RECTIFIER AGAINST THE CHASSIS WITH AN INSULATED SCREWDRIVER.
FAILURE TO FOLLOW THIS STEP COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH.
• TO AVOID ELECTRIC SHOCK, POWER TO UNIT MUST BE DISCONNECTED WHENEVER ACCESSING
AND/OR REMOVING COMPONENTS POWERED BY ELECTRICITY OR COMPONENTS NEAR OTHER
ELECTRICAL COMPONENTS.
• BEFORE WIRING:
1. DISCONNECT POWER SUPPLY CORD, OPEN DRAWER, WAIT 60 SECONDS, THEN DISCHARGE THE
HIGH VOLTAGE CAPACITOR.
2. DON'T LET THE WIRE LEADS TOUCH TO THE FOLLOWING PARTS:
• HIGH VOLTAGE PARTS: MAGNETRON, HIGH VOLTAGE TRANSFORMER, HIGH VOLTAGE CAPACI-
TOR AND HIGH VOLTAGE RECTIFIER ASSEMBLY.
• HOT PARTS: OVEN LAMP, MAGNETRON, HIGH VOLTAGE TRANSFORMER AND OVEN CAVITY.
• TO AVOID EXPOSURE TO MICROWAVES, NEVER OPERATE OR ALLOW DRAWER MICROWAVE TO BE
OPERATED WITH THE DRAWER OPEN. DO NOT OPERATE THE OVEN IF ANY OF THE FOLLOWING CON-
DITIONS EXIST:
1. DRAWER DOES NOT CLOSE FIRMLY.
2. DRAWER LATCH HOOK IS DAMAGED.
3. DRAWER GASKET OR SEAL IS DAMAGED
4. DRAWER IS BENT OR WARPED.
5. THERE ARE DEFECTIVE PARTS IN THE DRAWER INTERLOCK SYSTEM.
6. THERE ARE DEFECTIVE PARTS IN THE MICROWAVE GENERATING AND TRANSMISSION ASSEMBLY.
7. THERE IS VISIBLE DAMAGE TO THE OVEN.
• AFTER PERFORMING ANY REPAIR TO DOOR, DRAWER LATCH MECHANISM, OR DRAWER CLOSING
FACE, YOU MUST TEST INTEGRITY OF THE DRAWER SEAL WITH A MICROWAVE LEAK DETECTOR TO
VERIFY THERE ARE NO MICROWAVE LEAKS. (SEE PROCEDURES ON PAGE 4-3)
• IF NECESSARY TO REMOVE MICROWAVE OVEN FROM ITS INSTALLATION, REMEMBER THAT THE UNIT IS
HEAVY AND COULD TIP AND/OR FALL, RESULTING IN SERIOUS INJURY.
Be careful when handling sheet metal parts - Edges may be sharp.
NOTE: When all service work is completed and the oven is fully assembled, the microwave power output
should be checked and a microwave leakage test should be preformed and drawer interlock operation
checked.
#824820 - Revision A - November, 2013
MD24 and MD30
4-2
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Summary of Contents for Wolf MD24
- Page 1 Component Access MD24 and MD30 COMPONENT ACCESS AND REMOVAL This section explains how to adjust, access and remove components in a Microwave Drawer Oven. An attempt has been made to arrange these procedures in such a way as to simulate which components would need to be removed first in order to gain access to other components.
-
Page 2: Microwave Measurement Procedure
Component Access MD24 and MD30 MICROWAVE MEASUREMENT PROCEDURE 1. Requirements: A. Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed 1mW/cm2 at any point 5cm or more from the external surface of the oven, measured prior to acquisition by a purchaser, and thereafter (through the useful life of the oven), 5 mW/cm2 at any point 5cm or more from the external surface of the oven. - Page 3 Component Access MD24 and MD30 Emergency Opening of Drawer: Accessing Rear Components: If unit is flush mounted and drawer is not opening use 1.Extract ten screws holding Back Cover. (See Figure 4- one of following procedures. 1.Use an angled screw driver or allen key wrench and...
- Page 4 Component Access MD24 and MD30 6. With drawer closed, adjust latch hook by moving it Noise Filter Board Replacement 1.Disconnect Black and White wire from Noise Filter back and forth, and up and down. In and out play of drawer allowed by upper and lower position of latch Board.
- Page 5 Component Access MD24 and MD30 After Adusting Latch Hook - Check the following. Drawer Support Angle Removal 1.In and out play of drawer remains less than 0.5mm 1.Remove Drawer Assembly and Choke Cover as stated when in latched position. First check upper position of in prior section.
- Page 6 Component Access MD24 and MD30 Door Latch Removal 1.Follow "DRAWER ASSEMBLY AND CHOKE REMOVAL" 2.Lay door panel and door frame assembly front down on a protective surface. 3.Extract six screws holding door panel to door frame. 4.With door frame removed, unhook latch spring, then extract screw.
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Page 7: Oil Damper
Component Access MD24 and MD30 Rack Gear/Oil Damper Removal After Reassembly 1.Follow Microwave Drawer disassembly as previously 1.Make sure that drawer sensing switch, third door stated. switch, secondary interlock switch and monitor 2.Open drawer and keep it open. switch are operating properly. - Page 8 Component Access MD24 and MD30 #824820 - Revision A - November, 2013...