© Oct. 2022 6-14 GTZZ18J Operation Manual
PRE-OPERATION FUNCTION TEST
TESTING THE TILT
PROTECTION SYSTEM
Figure 6-4
1. Start the machine.
2. With the machine in non-operating position, flip the
level switch to exceed 5°in X (left-to-right)/Y (front-
to-back) direction.
3. The tilt alarm will sound and the chassis tilt indicator
light will flash, with no function restricted.
4. With the machine in operating position, flip the level
switch to exceed 5°in X (left-to-right)/Y (front-to-
back) direction.
5. The tilt alarm will sound with the chassis tilt
indicator light flashing, and some functions will be
restricted, but the boom retracting and lowering,
and turntable rotating will be allowed.
6. Place two wooden blocks under the two wheels on
the left or right side of the machine. The wooden
block should be 750×250×174mm
(2.46×0.82×0.57ft) in size (L×W×H). With the
machine in non-operating position, drive it onto the
two wooden blocks.
7. The tilt alarm will sound and the chassis tilt indicator
light will flash, with no function restricted.
8. Drive the machine off and remove the wooden
blocks.
9. Place two wooden blocks under the two wheels on
the front or rear of the machine. The wooden block
should be 750×250×213mm (2.46×0.82×0.7ft) in
size (L×W×H). With the machine in operating
position, drive it onto the two wooden blocks.
10. The tilt alarm will sound with the chassis tilt
indicator light flashing, and some functions are
restricted, but the boom retracting and lowering,
and turntable rotating will be allowed.
11. Drive off the machine in non-operating position and
remove the wooden blocks.
TESTING THE WEIGHING
SYSTEM
Before the test, fully raise and lower the boom and fully
extend and retract the boom for at least twice to ensure
the pulley and track are adequately lubricated.
Table 6-5
MODE TEST RESULTS
KG
When the load does not exceed 250kg (551lb), the platform can be elevated to the highest
position.
When the load exceeds 250kg (551lb), the buzzer will sound continuously, the overload
indicator light will flash, the display screen will indicate platform overload, all functions will be
restricted and will not resume until the excessive load is removed.
Non-KG
When the load does not exceed 250kg (551lb), the platform can be elevated to the highest
position.
When the load exceeds 250kg (551lb), the buzzer will sound continuously, the overload
indicator light will flash, the display screen will indicate platform overload, some functions will
be restricted, but boom retracting and then lowering as well as turntable rotating are allowed.
Such functions will not resume until the excessive load is removed.
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