JLG M600 Service Manual - Manual (Page 66)

SECTION 3 - CHASSIS & TURNTABLE
3-28 – JLG Lift – 3121813
6. Use the right and left cursor keys to display ’SPEED
0%" on the analyzer.
7. While watching the analyzer display, select drive for-
ward. Be ready to remove your foot from the foot-
switch if the machine lunges forward.
8. The analyzer display should read the following if the
RIGHT speed sensor is adjusted properly: "SPEED
20% FWD".
9. If the speed sensor is adjusted improperly, the ana-
lyzer will display "SPEED 20%REV" and the machine
will lunge forward.
10. Adjust the right speed sensor using the preceding
Adjustment Procedure until the analyzer displays
"SPEED 20% FWD" when forward is selected at the
platform. The percentage displayed is not critical,
just the direction.
11. After obtaining the display in step 10, operate the
machine in both forward and reverse directions. The
machine should be controllable in both directions
and will only drive at a maximum of creep speed.
The display on the analyzer should match the direc-
tion selected.
12. After completing adjustment of the right sensor, plug
the left sensor into the posi-tilt module.
13. Unplug the right sensor from the power module.
14. Power up the machine in platform mode and plug in
the analyzer in the platform.
15. Use the right left cursor keys on the analyzer to high-
light diagnostics and press enter.
16. Use the right and left cursor keys on the analyzer to
highlight drive and press enter.
17. Use the right and left cursor keys to display "speed
0%" ON THE ANALYZER.
18. while watching the analyzer display, select drive for-
ward. Be ready to remove your foot from the foot-
switch if the machine lunges forward.
19. The analyzer display should read the following if the
left speed sensor is adjusted properly: "SPEED 20%
FWD".
20. If the left speed sensor is adjusted improperly, the
analyzer will display "SPEED 20% REV", and the
machine will lunge forward.
21. Adjust the left speed sensor using the preceding
Adjustment Procedure until the analyzer displays
"SPEED 20% FWD" when forward is selected in the
platform. The percentage displayed is not critical,
just the direction.
22. After obtaining the display in step 10, operate the
machine in both the forward and reverse directions.
The machine should be controllable in both direc-
tions and will only drive at a maximum of creep
speed. The display on the analyzer should match
the direction selected.
23. Plug in the right sensor to the power module.
24. Test the machine. The machine should now have
maximum drive speed available in both directions
and should be controllable in both directions. The
analyzer display should match the direction
selected.