Sinoboom AB520EJ - Testing the Emergency Lowering; Function; Testing the Tilt Protection System

© Dec 2021 6-12 GTZZ14EJ&16EJ Operation Manual
PRE-OPERATION FUNCTION TEST
Table 6-4
State
Max drive speed
Non-operating 0.8km/h (0.5 mph)
Operating 5.2km/h (3.2 mph)
NOTICE
If the drive speed exceeds 10% of the test results as
shown above, please immediately remove the
machine from service and have it tagged.
TESTING THE EMERGENCY
LOWERING FUNCTION
1. Turn the Ground/Platform select switch on the
ground controller to the ground control position.
2. Pull out the emergency stop button on the ground
controller to the ON position.
3. Operate the boom function switches on turntable
controller to raise the platform to a certain height.
4. Operate as indicated by the emergency decent
decal.
Figure 6-4
TESTING THE TILT
PROTECTION SYSTEM
Figure 6-5
1. Turn the Ground/Platform select switch to the
ground control position.
2. Pull out the emergency stop button on the ground
controller to the ON position.
3. With the machine in non-operating position, flip the
level switch to exceed 5°in X (left-to-right)/Y (front-
to-back) direction.
4. The tilt alarm sounds and the chassis tilt indicator
light flashes, no functions are restricted.
5. With the machine in operating position, flip the level
switch to exceed 5°in X (left-to-right)/Y (front-to-
back) direction.
6. The tilt alarm sounds and the chassis tilt indicator
light flashes, some functions are restricted, but the
boom retracting, lowering and turntable rotating are
allowed.
7. With the machine in non-operating position, place
two wooden blocks under the two wheels on the
front or back side of the machine, and then drive the
machine onto the two wooden blocks. The wooden
block should measure 750mm L×250mm
W×166mm H.
8. The tilt alarm sounds and the chassis tilt indicator
light flashes, no functions are restricted.
9. Drive the machine off the blocks, extend the
telescopic boom by slightly over 1.2m (3.9ft) or
raise/lower the foldable boom by slightly over 15°.
10. place these two wooden blocks under the two
wheels on the front or back side of the machine,