© Mar. 2022 6-12 GTTZ10EJ Operation Manual
PRE-OPERATION FUNCTION TEST
Figure 6-7
TESTING THE POTHOLE
PROTECTION
NOTICE
Perform the test on the ground using platform
controls.
When the boom raises, the pothole guard cylinder
pushes downward the protective plate to extend.
1. Start the machine.
2. Push the mast lift/turntable rotate function button.
3. Press and hold the enable button on the joystick,
and slowly deflect forward the joystick to raise the
mast approx. 0.5m (1ft 8in).
4. The pothole protective plates on both sides should
fully extend.
5. Apply hand force to push the protective plate, the
plate should not flip.
6. Press and hold the enable button on the joystick,
and slowly deflect backward the joystick to lower
the mast.
7. The pothole protective plates on both sides should
retract.
8. Place a wooden block under the protive plate. The
wooden block measures 50mm×100mm×50mm
(2in×4in×2in).
9. Press and hold the enable button on the joystick,
and slowly deflect forward the joystick to raise the
mast approx.1m (3ft 3in).
10. The buzzer should sound continuously, the displays
of platform and ground controls indicate “18”, and
the mast is not prevented from raising.
11. Push the drive function button.
12. Press and hold the enable button on the joystick,
and slowly deflect forward or backward the joystick.
13. The machine should not drive forward or reverse.
14. Press and hold the enable button on the joystick,
and press on the left or right of the rocker switch on
top of the joystick.
15. The machine should not steer left or right.
16. Push the mast lift/turntable rotate function button.
17. Press and hold the enable button on the joystick,
and slowly deflect backward the joystick to lower
the mast.
TESTING THE TILT
PROTECTION
NOTICE
Perform the test on the ground using the platform
controls. Do not stand on the platform.
Figure 6-8
Testing the 3°level switch