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.
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