7
Inspection and maintenance
07.2020
121
ba
-o
.2
.6
.0
-us
-3
.2
-ys
|
A1
18
67
50
1 Re
v A
E
Lower the load hook to 0.39 in in front of the switching point (A
).
–
Do not undershoot the minimum distance “f”, of f ≥
0.79 in between the rope
guide ring (1) and the clamping claws (2) for the rope anchorage.
–
The load hook must not be lowered onto the ground.
–
If the emergency hoist limit switch should switch off beforehand, turn the
adjustment screw “S2”
anticlockwise 1 revolution and repeat step 2.
Turn the adjustment screw “S2”
clockwise until the switch contact latches audibly.
Actuate the UP-button in the control pendant.
–
The “bottom” emergency hoist limit switching position has been set.
Checking the switching points
➢
After setting the switching points, check these at a slow lifting and lowering speed and
readjust the switching points if necessary.
7.14.2
Geared limit switch - version 2
The individual switching points are set in the factory with the adjustment screws
“S1”
to
“S6”
.
Turning clockwise: Switching point is shifted upwards
Turning anticlockwise: Switching point is shifted downwards
The switching points must be set in the following order:
Adjustment
screw
Switching
point
Function
S3
(B
)
Operational hoist limit switching, “top”
S1
(A
)
Emergency hoist limit
switching, “top”
S4
(B
)
Fast/slow switching “top”
S2
(A
)
Emergency hoist limit switching, “bottom”
S6
(B
)
Operational hoist limit switching, “bottom”
S5
(B
)
Fast/slow switching “bottom”
