15
1. Buzzer
Acoustic alarm. Sounds:
•
When lowering the main lift < 120 mm
(foot protection).
•
When lowering the lifting table (hand and
finger protection).
•
When troubleshooting (lifting/lowering using
the override switch, for height equalizing or
during emergency manual lowering).
2. 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).
3. Locking latch on each lift column
The locking mechanism consists of a latch bar
（
3.1
）
and roller with cam shaft(3.2). Latch bar
with 100 mm locking latch notches.
If a fault occurs in the hydraulic system or if
the cable breaks or becomes slack, the brake
mechanism is activated. The cam is pressed
against the latch bar through a powerful spring
action. In addition a lock cam latches (via an
air piston) into the latch bar. All up or down
movements stop immediately. Any further low-
ering is prevented.
4. Locking latch on both lifting table
The locking mechanism consists of toothed
lock bars. On releasing the lift or lower button,
the upper bracket swings down. The lock bars
engage (ratchets).
Pos. 10.1 show for the SM55LT lift .
Pos. 10.2 show for the SM40LT lift .
10.1
8
9
10.2
