5699-E P-67
SECTION 4 INSPECTION, MAINTENANCE AND ADJUSTMENTS
10-1. Changing Method
Change the leaf chain with the following procedures.
Procedure :
1-
Turn on the power. (NFB
→
control unit
→
operation preparation)
2-
Return the turret to its zero point on the X-axis and fix it with the fixture.
3-
Move the balancing weight on the Z-axis and fix it with bracket ZR and ZL.
4-
Make sure leaf chain is slack.
5-
Turn off the power. (Z-axis motor brake is activated in synch with turning the power off.)
6-
Remove the leaf chain to replace it with the new one.
7-
The installation procedure is the reverse of the removal procedure step
“1-”
to
“5-”
.
How to Remove the Leaf Chain
Pull out the split pin indicated below, and remove the pin and metal part for outer link.
LE11214R0100600240001
CAUTION
•
Use the new split pin after removing the leaf chain.
•
Be sure to bend the split pin tip when the split pin is inserted.
•
Change the leaf chain for both right and left axes at the same time.
•
When replacing the leaf chain, be sure to coat the whole chain with Molykote (or equiv-
alent product).
Fitting for external linking
Pin
End of the chain
Split pin
Leaf chain
Model: BL846
The number of links: 129
