Duke DSO 500, Service Manual

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SAFETY PRECAUTIONS
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE
EXPOSURE TO EXCESSIVE MICROWAVE ENERGY
(a) Do not operate or allow the oven to be operated with the door open.
(b) Make the following safety checks on all ovens to be serviced before activating the magnetron
or other microwave source, and make repairs as necessary.
(1) interlock operation
(2) proper door closing
(3) seal and sealing surfaces (arcing, wear, and other damage)
(4) damage to or loosening of hinges and latches
(5) evidence of dropping or abuse
(c) Before turning on microwave power for any service test or inspection within the microwave
generating compartments, check the magnetron, wave guide or transmission line, and cavity
for proper alignment, integrity, and connections.
(d) Any defective or misadjusted components in the interlock monitor, door seal, and microwave
generation and transmission systems shall be repaired, replaced, or adjusted by procedures
described in this manual before the oven is released to the owner.
(e) A microwave leakage check to verify compliance with the Federal Performance Standard should
be performed on each oven prior to release to the owner.
CAUTION: When servicing the unit, be sure no electrical wires contact a sharp edge.
Check all wiring for possible cuts and/or abrasions, which can occur during servicing.
SAFETY PRECAUTIONS