Duke DU903, Руководство по эксплуатации

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IDENTIFICATION OF CHAIN:
FEC load chain can be recognized and determined original by the following marks
on the chain
Chain specifications:
•
diameter-7.1mm
• pitch-20.2mm
• grade-Grade80
• type of marking-see sample picture below. Every 15 links.
• minimum breaking strength-6300kgs
• weight per meter- 1.1kg/m
For replacement load chains use FEC chain only.
CHAIN REPLACEMENT WITH CHAIN IN LIFTING MOTOR
1. With the unit placing on workbench or motor up position, run the hook to its
up limit.
2. Remove the load block assembly from the old chain.
3. Make a “C” link, attach the new chain to the load end of
the old chain.
4. Carefully jog the “UP” button and run the joined pieces of
chain into the lifting motor until about 40cm of new chain
comes out the other side.
5. Remove the “C” link and the old chain. Remove the chain
stop from the old chain by a hex head screwdriver.
6. Attach the chain stop to the slack end of the new chain by capturing the 12th
link with the two stop halves. Be sure there are no twists in the chain.
7. Attach the load block on new chain by a hex head screwdriver.
Make a “C” link