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Chapter 11 - Maintenance
9) Press the lift function select button to raise the platform by about 0.3 m. Result: the diagnostic screen
displays code 18, the alarm goes off and the lift function is enabled. The machine operation is normal.
Result: the diagnostic screen does not display code 18 and the alarm goes off. In that case, the limit switch
to be replaced.
10) Raise the platform until the exit protector is extended. Result: the diagnostic screen does not display code 18
and the alarm goes off. The machine operation is normal. Result: the diagnostic screen does not display code
18 and the alarm goes off. In this case, the limit switch must be replaced.
11) Raise the platform to a height of about 3.2m above the ground.
12) Lift the safety support, move it to the centre of the scissors housing and turn it up until it's vertical.
13) Lower the platform height until the safety support is completely against the shaft housing.
Warning: risk of crushing
14) Turn the key switch to the "OFF" position.
15) Remove the platform control line connected to the main chassis case.
16) Restart connection between the platform control connector and the main chassis case.
17) Connect the platform control unit.
18) Connect the controls safely and correctly to the lower limit switch.
19) Install the lower limit switch box properly.
20) Engage the ignition switch on the platform controls.
21) Raise the platform slightly and restore the safety support to the installation position.
22) Lower the platform to the retracted position.
Incline switch
1) Move the machine to the maximum permitted inclination angle of the level sensor. For the maximum
permitted inclination angle the type plate.
2) Press the lift function selection button and raise the machine to a height of about 2.1 m above the ground.
inclining ground. Result: diagnostic screen shows code LL, no alarm goes off and machine function is
normal. Result: the diagnostic screen does not display code LL, but the alarm goes off. Check or
replace the incline switch in such a case.
3) Press the drive mode selection button and try to drive the machine on an incline. Result: the diagnosis-
display shows code LL, the alarm goes off and the turn and drive function is deactivated. The machine
operation is normal. Result: the diagnostic screen does not display code LL, no alarm is triggered and the
drive and turn functions are normal. Check or replace the inclination switch.
4) Lower the platform to retracted position and bring the machine to the rm and level surface.
Exit protector switch
1) Place a wood block about 5 cm under the right exit protector.
2) Press the lift function and try to lift the machine approx. 2.1 m. Result: the exit protector hits against the
log and fails to fully extend. the diagnostic screen does not display code 18, no alarm is triggered and the
machine can still be raised. In that case, the hollow protector limit switch must be adjusted or replaced.
3) Press the drive mode selection button and try to run and rotate the machine. Result: the
diagnostic screen shows code 18, the alarm goes off and the turning and driving function is normal.
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