KNIGHT D-SERIES SERVO HOIST OPERATION MANUAL
SECTION 4
MAINTENANCE
34
4.7 Broken Chain Replacement
If the Load chain is broken, and has come out of the chain guide, Use the steps in this section along with
those in section 4.6 to reinstall a new chain. The materials required for the chain replacement are shown in
Figure 4-18:
Figure 4-18
Step 1. Connect the old SDS chain to the new SDS chain using one of the yellow interface
links. (Refer to Figure 4-19)
Figure 4-19
Step 2. To enable the chain pay-out sequence, using the Operator Control Interface (OCI),
twist the Run-Stop button clockwise to enable the hoist.
Within 3 seconds, press the Run-Stop button, press and release the Green Lift
button and then the Blue Float button, twist the Run-Stop button clockwise and
release. This will start the pay-out mode after three to ten seconds.
If the direction is incorrect, press the Run-Stop button to stop the pay-out mode and
repeat the above sequence to pay-out the chain in the opposite direction.
Step 3. When the yellow chain interface link reaches the gear box, stop the pay-out mode
by pressing the Run-Stop button.