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2.
Installation of a dynasafe™ Mecha 7 & 12 load limiters
2.1.
Components of the load limiter
A - 2 m connecting cable
B - Flat washer.
C - Adjusting pin.
D - Locking ring.
E - Load cell body.
2.2.
Procedure for installing load limiter
Essential condition: the hook of the lifting system should be free of any load.
-
Position the adjusting pin as a function of the load range and wire rope diameter (see p. 4).
-
Remove the tightening bracket (K).
-
Position the load cell on the wire rope near the dead end/fixed point. The connecting cable
should be uppermost.
-
Replace the tightening bracket (K) ensuring that it is correctly positioned depending on the
diameter of the wire rope. (See page 4)
-
-Adjust the tightening screws (J) symmetrically (+/- 5 Nm) to ensure that there is no risk of
moving the load cell out of line with the wire rope. Excessive tightening may break the bracket.
-
Operate the lifting system up to the upper limit switch and ensure that the sheaving or bottom
block does not foul the load cell. If this happens adjust the upper limit switch so that there is
an appropriate distance between the load cell and the bottom block. Also check that when the
bottom block is in the upper position the load cell is not in contact with the overhead crane.
-
Wire the connecting cable from the load cell t the control box. Ensure that the cable is secured.
L
K
Figure 1
F - Locking nut
G - Tare screw.
H - Traction part.
I - Safety washer.
J - Tightening screw.
M
J
I
H
K - Tightening bracket.
L - Rubber compression pad.
M - Wire rope.
N - Fixing screws for circuit
breaker. (do not touch)
A
GB
B
C
D
E
N
F
G
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