JLG E300 Service Manual - Manual (Page 59)

SECTION 3 - CHASSIS & TURNTABLE
3121253 – JLG Lift – 3-25
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 ready 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 above illustra-
tion until the analyzer displays "SPEED 20% FWD"
when forward is selected in the platform. The per-
centage 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.
3.6 POSITRAC/TILT MODULE
When installing a new positrac/tilt module, Refer to
JLG Control System Analyzer Kit instructions. Use a
standard bubble level in two different directions to
ensure that the machine’s frame is level prior to install-
ing the new positrac/tilt module.
1. Place the machine on a flat, level surface. Check for
level by placing a bubble level on the frame in both
directions.
2. Plug in the analyzer (Analyzer - p/n 1600244, Cable -
p/n 1600633) into port J9 on the power module or
port J1 on the platform module.
3. Use the right arrow key to curse over to “ACCESS
LEVEL 2". Depress Enter.
4. Use Up/Down arrow keys to enter the following
password “33271”. Depress Enter.
5. Use the right arrow key to curse over to “LEVEL
VEHICLE”. Hit Enter. Depress Enter again.
6. Verify that the tilt reading is now “0.0; 0.0".
TO ASSURE PROPER OPERATION, THE MACHINE MUST BE LEVEL
WHEN ADJUSTING OR INSTALLING AND CALIBRATING A NEW
POSITRAC/TILT MODULE