204
SJ82 T, SJ86 T
229040ABA
Section 5 – Procedures
Boom
WARNING
Ensure there are no personnel or obstructions in
the test area and there is sufficient room to drive
the machine and reposition the boom.
Check Switch Operation:
1.
Fully retract the boom assembly.
2.
Position the main boom so it is horizontal. Use a
level to verify.
3.
Place a digital protractor on the underside of the
main boom. Calibrate it to 0° (horizontal).
4.
Locate the terminal strip inside the base control
panel. Set the multi-meter to
continuity-check
mode.
5.
Place the multi-meter probes on terminal
positions (
09 Black
) and (
29 Black/white
).
Black
09
Black/White
29
M62361AA
29
09
LS2 terminal connections
6.
Lower the boom below horizontal. Verify the
switch roller is not contacting the cam on
the frame and the switch circuit is closed
(continuity). Adjust the switch position if
required.
7.
Raise the boom to horizontal. Verify the switch
roller now contacts the cam and the switch
circuit is open (no continuity).
8.
Verify the machine only drives at slow drive
speed when the boom is raised above
horizontal.
9.
Confirm proper limit switch operation by driving
the machine with the boom fully lowered, and
then with it raised above horizontal.
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