14
2.2.3 Limit switch
The electric chain hoist is equipped with a gearbox limit switch as standard. This is also suitable for normal limit switch operation with a high
degree of accuracy. The operation of the limit switches (highest and lowest hook position) must be checked during
start-up.
Three different transmissions are available that are adapted to the lift:
TS 250/500
Transmission
Colour
Single fall lift [m]
Double fall lift [m]
i = 1:1
black
20
10
i = 1:3
yellow
60
30
i = 1:6
blue
120
60
TS 1000
Transmission
Colour
Single fall lift [m]
Double fall lift [m]
i = 1:1
black
30
15
i = 1:3
yellow
80
40
i = 1:6
blue
180
90
TS 1600/2000/2500
Transmission
Colour
Single fall lift [m]
Double fall lift [m]
i = 1:1
black
36
18
i = 1:3
yellow
110
55
i = 1:6
blue
220
110
Description of settings (see figure 2-12):
Before pulling in the chain or changing the chain, the gearbox limit switch must be mechanically disabled by securing the rocker (1)
Pull in the chain
Move to highest hook position, rotate red ratchet wheel (front) (2) to switching cam of top limit switch (3); (rotate clockwise for higher hook
position and anticlockwise for lower hook position)
Activate rocker, move to lowest hook position, rotate green switching wheel (rear) (4) to switching cam of bottom limit switch (5); (rotate
anticlockwise for higher hook position and clockwise for lower hook position)
Activate rocker (must engage in switch wheel)
Check operation of limit switch; the end stop and the hook fittings must not touch the housing
Figure 2-12
3
2
1
4
5
