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LIQ_MAN_ABR_5081T-HT/Rev. L January 2015
Maintenance
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his section gives general procedures for routine mainte-
nance of the 5081-T transmitter. The transmitter needs
almost no routine maintenance.
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Periodically clean the transmitter window with household
ammonia or glass cleaner. The detector for the infrared
remote controller is located behind the window at the top
of the transmitter face. The window in front of the detec-
tor must be kept clean.
Most components of the transmitter are replaceable. Refer
to figure below and table on next page for parts and part
numbers.
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Three screws (part 13 in the drawing) hold the three cir-
cuit boards in place. Removing the screws allows the dis-
play board (part 2) and the CPU board (part 3) to be easily
removed. A ribbon cable connects the boards. The cable
plugs into the CPU board and is permanently attached to
the display board. A 16 pin and socket connector holds the
CPU and analog (part 4) boards together. Five screws hold
the terminal block (part 5) to the center housing (part 7),
and the 16 pins on the terminal block mate with 16 sock-
ets on the back side of the analog board. Use caution
when separating the terminal block from the analog
board. The pin and socket connection is tight.
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