Double Fall Operation - Liftket B13 Operating Instructions Manual

12. Insert the new chain hold-down and the new chain guide and fasten the fastening screws.
The maximum tightening torque of the two M16x120 DIN 912 fastening bolts is 60 Nm.
Place new gasket rings under the screws!
13. Assemble the shaft of the lift limiter limit switch.
14. Mount the cover of the low voltage control.
Replacing the load chain
15. Always hang the provided slotted connecting chain link onto the pre-assembled chain piece on the side of the
chain box and hook on the new load chain.
16. Run in the new load chain by actuating the control button.
17. Remove the pre-assembled chain piece and the slotted connecting chain link.
18. Fit the hook tackle to the end of the loaded chain side.
19. Lower the load hook to its lowest position.
20. Fasten the lift limiter on the dead end of the chain.
21. Mount the chain box.
22. Run in the chain into the chain box while lubricating the entire length of the load chain.
If despite all the chain was completely removed from the hoist, then proceed as follows:
•
Release the clutch setting to a minimum value;
•
CAUTION Push in a wire through the chain guide cross until it reaches out on the other side;
•
Starting with a plane chain link use the wire to pull the chain into the seat of the
sprocket and operate the slow lifting speed to carefully pull in the chain.

4.1.10.2 Double fall operation

Removal of a worn load chain
1. Dismantle the chain box.
2. Release the two M6x20 DIN 912 screws that secure the axle suspension and remove the axle suspension.
3. Release chain end fastener bolt No. 1, turn out the chain end fastener, and remove the end of the chain from the
chain end fastener.
4. Dismantle the hook block.
5. Dismantle the lift limiter from the dead end of the chain by unscrewing the two M12x60 DIN 912 allen screws.
6. Hook the pre-assembled chain piece to the hook side of the load chain using the slotted connecting chain link.
7. Operate the pushbutton of the pendant to allow the chain to run out so that only the pre-assembled piece of chain
with the slotted connecting chain link remains on the chain sprocket.
8. Unhook the worn load chain.
Replacing the load chain and hold-down
9. Dismantle the cover of the low voltage control by unscrewing the four M6x75 DIN 912 allen screws.
10. Disassemble the limit switch shaft of the lift limiter.
11. Unscrew the two M16x120 DIN 912 fastener screws of the chain guide in the switch-box of the hoist control.
NOTE
12. Take out the chain guide on the bottom side of the casing.
13. Use a screwdriver to push out the chain hold-down from the chain passage.
14. Insert the new chain hold-down and the new chain guide and fasten the fastening screws.
The maximum tightening torque of the two M16x120 DIN 912 fastening bolts is 60 Nm.
Place new gasket rings under the screws!
15. Assemble the shaft of the lift limiter limit switch.
16. Mount the cover of the low voltage control.
In the case of the B15 model in addition to the
above chain end fastener bolt No. 1 must also
be removed in order to replace the chain guide.
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