© Mar. 2022 6-10 GTJZ0612E&0812E&1012E&1212E Operation Manual
PRE-OPERATION FUNCTION TEST
cannot be operated to raise further or drive, but
the lowering is allowed.
9. Completely lower the platform. Change the ma-
chine’s platform lifting function to a walking function.
Drive the machine down and remove the wooden
boards.
10. Place the two wooden boards under the two wheels
on the front or back side of the machine, and then
drive the machine onto the two boards. The wooden
boards should measure(L × W × H): 50mm ×
100mm × 100mm (2in. × 4in. × 4in.).
11. When the machine tilt alarm sounds, the display
shows “LL”
12.
• GTJZ0612E：Change from the drive function to
lift function, and raise the platform by approx. 2
±0.3m（6ft 7in±10in), the machine cannot be
operated to raise further or drive, but the lower-
ing is allowed.
• GTJZ0812E：Change from the drive function to
lift function, and raise the platform by approx.
2.3±0.3m（7ft 7in±10in）, the machine cannot
be operated to raise further or drive, but the low-
ering is allowed.
• GTJZ1012E&1212E：Change from the drive
function to lift function, and raise the platform by
approx. 2.8±0.3m（9ft 2in±10in）, the machine
cannot be operated to raise further or drive, but
the lowering is allowed.
13. Completely lower the platform. Change the ma-
chine's platform lifting function to a driving function.
Drive the machine down and remove the wooden
boards.
TESTING THE POTHOLE
GUARD
1. Raise the platform until the press plate of scissor is
off the carrier rod of the pothole guard.
2. The pothole guard plate should automatically
extend.
3. Push hard on the left/right pothole guard plate.
Ensure the pothole guard plate cannot be flipped
upward.
4. Lower the platform. The pothole guard plate should
automatically retract.
5. Place a wooden block under the pothole guard and
raise the platform. The wooden block should
measure(L × W × H): 100mm×50mm×50mm
（4in×2in×2in）.
6. When the platform raises until the press plate of
scissor comes off the carrier rod of the pothole
guard, the buzzers at the ground and platform
controls should sound, and the display should
indicate “18”, the platform up and drive functions
should be restricted, with only the platform down
function operative.
7. Completely lower the platform and remove the
wooden block.
TESTING THE WEIGHING
SYSTEM (OPTIONAL)
The weighing system is an optional function, before
testing ensure your machine is equipped with such
function.
1. Position the machine on a flat, level and solid sur-
face clear of obstacles, and ensure each bearing
and sliding groove is well lubricated.
2. Operating from the ground controls, raise the un-
loaded platform for twice, ensure there is no ob-
vious shaking or malfunction.
3. With the platform raised by approximately 1m, grad-
ually add loads to the platform.
Table 6-1
Models Test Results
GTJZ0612E
When the weight does not exceed 550 kg (1213 lb), ensure that the platform is able to rise to the
highest position.
When the platform load exceeds 660 kg (1455 lb), the overload indicator lamp will illuminate, an
alarm will sound, and all functions will be restricted from use. Once the excess weight is re-
moved, the work platform will be able to move again.
GTJZ0812E
When the weight does not exceed 450 kg (992 lb), ensure that the platform is able to rise to the
highest position.
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