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Page Title:
Handle Pushbutton Switch Installation - continued |
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 TM 10-3930-673-34
6-7. ELECTRIC JOYSTICK ASSEMBLY REPAIR/TEST/ADJUSTMENT (CONT)
(3)
Measure current flow to upper
circuit board (30). If necessary,
adjust "threshold" and "max out"
controls.
(a)
Loosen screw (31) at terminal A of
upper circuit board (30) and
disconnect electrical lead #53.
(b)
Set multimeter to amps and connect
positive (+) lead to terminal A of
upper circuit board (30).
(c)
Connect negative () lead of
multimeter to disconnected
electrical lead #53.
(d)
Turn starter switch to the RUN
position but do not start the engine
(TM 10-3930-673-10).
TR01122
(e)
Slowly move joystick handle (5) to
the left until indicator light (32) just
comes on. Multimeter reading
should be between 300 and 340 ma.
NOTE
During Step (f), turn "threshold"
control counterclockwise to lower
multimeter reading, and clockwise
to raise multimeter reading.
(f)
If reading in Step (e) was not within
limits of 300 to 340 ma, adjust
"threshold" control (33) and repeat
Step (e) until multimeter reads
approximately 320 ma.
(g)
Move joystick handle (5) fully to the
left and observe multimeter reading.
Reading should be between 600 and
640 ma.
TR01123
6-32
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