3.
The
4-Post Lift
12
Rev. D 2013_03_en
3.5 Control unit
All movement of the lift stops immediately
when you release a pressed button.
Figure 16: Control unit in the lift column
1
Selector
, only for SM40LT variant with rolling
jack:
●
Left setting: Main lift active
●
Right setting: Rolling jack active
2
UP button
For main lifts or rolling jacks.
Functions only if the button is pressed.
Post lift /rolling jack runways move up.
3 On/off switch for optional lighting.
4
DOWN button
●
For main lifts or rolling jacks.
Functions only if the button is pressed.
The main lift or rolling jack runways move up
for around 2 seconds to release themselves
from the locking latches.
Runways move down until the automatic shut-off
is activated 120 mm above the ground
(foot protection, otherwise this may present a
crushing and shearing hazard). The lowering
process stops.
5
LOCK button
●
For main lifts or rolling jacks.
Functions only if the button is pressed.
●
Main lift: Locks the cross beams in the latch
bars of the four lift columns. Keep button
pressed until all cross beams lock securely into
the latch bars.
●
Rolling jack: Lowers both runways onto the
toothed lock bars (ratchets).
Keep button pressed until both runways lock
securely into the latch bars.
6
DOWN button in the danger zone below 120
mm
●
For main lifts or rolling jacks.
Only functions after the 120 mm automatic
shut-off has reacted to DOWN (4). The run-
ways can then be lowered completely if both
buttons (5) and (6) are pressed at the same
time. A buzzer sounds throughout the entire
lowering process.
16
7
Buzzer
Acoustic alarm. Sounds:
●
When the main lift is being lowered < 120
mm (Foot protection)
●
When the rolling jack is being lowered (hand
and finger protection).
●
When troubleshooting (lifting/lowering using
the override switch, for height equalizing or
during emergency manual lowering).
8 Lockable main switch
"ON
“ setting: Post lift ready for use.
"OFF
“ setting: Post lift out of use. The mains
voltage is still present inside the control box.
Switching off (OFF) immediately stops any
movement of the post lift (= emergency stop)..
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