R-351NW
3 - 1
CHAPTER 3. FOREWORD AND WARNING
[1] FOREWORD
This Manual has been prepared to provide Sharp Electronics Corp. Service Personnel with Operation and Service Information for the
SHARP MICROWAVE OVENS, R-351NW.
It is recommended that service personnel carefully study the entire text of this manual so that they will be quali
fi
ed to render satisfac-
tory customer service.
Check the interlock switches and the door seal carefully. Special attention should be given to avoid electrical shock and microwave
radiation hazard.
[2] WARNING
Never operate the oven until the following points are ensured.
(A) The door is tightly closed.
(B) The door brackets and hinges are not defective.
(C) The door packing is not damaged.
(D) The door is not deformed or warped.
(E) There is not any other visible damage with the oven.
Servicing and repair work must be carried out only by trained service personnel.
[3] DANGER
Certain initial parts are intentionally not grounded and present a risk of electrical shock only during servicing. Service personnel - Do
not contact the following parts while the appliance is energized;
High Voltage Capacitor, Power Transformer, Magnetron, High Voltage Recti
fi
er Assembly, High Voltage Harness;
If provided, Vent Hood, Fan assembly, Cooling Fan Motor.
All the parts marked
“
S
”
on parts list are used at voltages more than 250V.
Removal of the outer wrap gives access to voltage above 250V.
All the parts marked “*” on parts list may cause undue microwave exposure, by themselves, or when they are damaged, loosened or
removed.
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