LGMG AS0607E, Maintenance Manual

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Maintenance Manual of Elevating Work Platform
17
1) The good condition of limit switch is essential
to the machine performance and safe
operation. The operation of machine with
defected limit switch will degrade the
machine performance and cause the
potential unsafe working environment.
2) Be sure to complete the inspection on a solid
and level ground without any barrier
。
Lower limit switch
3) Remove the platform controller
4) Lift the platform for a given height above the
ground. The lifting height of every model is
given in the following table.
Model Height (m)
SS0407E 1.8
AS0607E 2.5
AS0812E 3.2
AS1012E 3.73
AS1212E
4
AS1413E
5) Lift the safety prop, move it to the center of
the scissor sleeve center and rotate it upward
until it is vertical.
6) Lower the platform height until the safety
prop completely contacts the shaft sleeve
Crush hazard
8) Be sure to put your hand on correct position
of the safety prop when lowering the platform
9) Turn the key switch to the OFF position.
10) Release the lever and do the test.
11) Open the lower limit switch base cover and
unplug the connector of lower limit switch.
12) Switch the key switch to the platform
controller.
13) Slightly raise the platform and recover the
safety prop to the installation position
。
14) Press the lifting function selector button on
the platform controller on the ground and
lower the platform until it is folded.
Result: The diagnosis screen displays the
code 18, the alarm is sounds and the lifting
function response is normal. The function of
machine is normal.
Result: the diagnosis screen dose not display
the code 18, no alarm is sounds and the
lifting function gives no response. In such
case, the limit switch shall be replaced.
15) Press the drive function selector button
and try to run the machine.
Result: The diagnosis screen displays the
code 18, the alarm is sounds, but the turning
function and the driving function are disabled.
The function of machine is normal.
Result: the diagnosis screen dose not display
the code 18, the alarm is sounds and the
turning and driving function are enabled. In
such case, the limit switch shall be replaced.
16) Press the lifting function selector button to