Maintenance Service And Trouble Shooting - Haier EA-1770EG Service Manual

8.Maintenance Service and Trouble Shooting

8.1SERVICE GUIDE AND REPLACING PARTS
8.1.1 Tools and gauges
8.1.2 Necessary tools
Generally, the tools used in maintenance of
the TVs are suitable for the maintenance of
the microwave oven. The standard set of
tools is:
(1) Angle pliers
(2) Nipper pliers
(3) Cross Screwdriver
(4) Monkey-spanner
(5) Iron, solder
(6) 6mm box spanner
Leakage test of the microwave oven
Points of attention:
(1) Please first check the leakage of the
Microwave oven after maintenance and
before usage.
(2) If the microwave oven can operate
while the door is open, STOP ANY
OPERATION OF THE OVEN.
(3) The leakage standard of the microwave
oven is <5mW / cm ¡ Á cm.
Maintenance Service and Trouble Shooting
9.1.3 Necessary gauges
(1) Universal meter
(2) Microwave leakage detector:
(3) Ruler
(4) Glass thermometer 100¡ æ
Measurement
(1) Set the gauge according to the
user's manual.
(2) Add 15-275ml, 5¡ æ -20¡ æ
into a container, and put the
container at the center of the tray.
(3) Set the oven at the highest
power level to start working.
(4) Measure the leakage with the
leakage detector. The detecting
gasket is 5mm thick, and the probe
shall be perpendicular against
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water