OPERATOR’S MANUAL
with Maintenance Information
Maintenance
85
5 Open the limited switch house cover from
the chassis.
6 Open the up limited switch cover.
a
b
c
a up limited switch
b down limited switch
c slope sensor
7 Tag and disconnect the wires of the up
limit switch wire harness.
8 Securely connect together the terminals of
the two wires of the up limit switch.
9 Turn the key switch to ground control. Pull
out the platform and ground red
Emergency Stop button to the on position.
10 Raise the platform to release the safe arm.
Put the safe arm to home position.
11 Fully raise the platform. Release the toggle
switch.
⊙
Result: The alarm should sound.
¤
Result: The alarm does not sound.
Calibrate the platform overload system.
12 Using the emergency lowering knob, lower
the platform to the stowed position.
13 Securely connect the wires of the up limit
switch.
14 Fully raise the platform. Release the toggle
switch.
⊙
Result: The alarm should not sound. The
system is functioning correctly.
¤
Result: The alarm sounds. The system is
not functioning correctly. Troubleshoot the
limit switch, limit switch wire harness or
limit switch mount bracket or the platform
overload system needs to be calibrated.
15 Lower the platform until the distance of the
two sets of scissor at least 0.5m.
16 Lift the safety arm, move it to the center of
the scissor arm and rotate up to a vertical
position.
17 Lift the upper safety arm, move it to the
center of the scissor arm and rotate down
to a vertical position. (for ES1412H/E,
ES1612HLB/ELB, ES1612HCP/ECP).
18 Lower the platform until the safety arm
rests securely on the link. Keep clear of
the safety arm when lowering the platform
Crushing hazard. Keep hands
clear of the safety arm when lowering the
platform.
19 Install the up limited switch cover.
20 Install the limited switch house cover.
21 Raise the platform to release the safe arm.
22 Put the safe arm to home position.
23 Lower the platform to the stowed position.
