LGMG AS0607E, Maintenance Manual

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Maintenance Manual of Elevating Work Platform
13
7) Check the lifting and lowering functions from
the platform controller. Result: No action is
enabled by the machine.
8) Turn the key switch to the OFF position.
Result: No action is enabled by the machine.
B-6
Test of horn
This check shall be made once per 25h or per
season, whichever is shorter.
1) The horn is used for giving the warning to the
ground staff by the control staff on the
platform. It is unable to remind the hazard
and unsafe status to the ground staff with the
abnormal horn.
2) Switch the key switch to the platform
controller and draw out the red emergency
stop buttons from the ground and platform
controller.
3) Press the horn button on the horn controller.
Result: the horn outputs the sound.
B-7
Test of driving and braking function
This check shall be made once per 25h or per
month, whichever is shorter.
1) The normal braking function is essential to
the operation safety. The brake shall be
stable and free of delay, vibration and
abnormal sound. The hydraulic releasing of
braking system shall be normal.
2) Be sure to complete the braking function
inspection on a solid and level ground
without any barrier. Ensure the machine is
folded and the extending platform is
completed retracted.
①
Make a reference test line on the ground.
②
Switch the key switch to the platform
controller and draw out the red emergency
stop buttons from the ground and platform
controller.
③
Lower the platform to the folding position.
④
Press the drive function selector button.
⑤
Select one point (such as the touchdown
point on the wheel) from the machine as the
visual inspection reference of the test line.
⑥
Drive the machine at the maximum speed
and release the handle at the moment
when the reference point passes the
ground test line.
⑦
Measure the distance between the
reference point and the survey line.
Result: The machine is stopped within the
specified braking distance. No action is
required.
Result: The machine is not stopped within
the specified braking distance.
△
! Notice: the brake must be valid
within the allowable gradeability range
of the machine
.
⑧
Replace the brake and repeat the process
above from Step 1.
B-8
Test of driving speed-folding status