10-1.Changing Method - Okuma VTM-200 Operation & Maintenance Manual

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.
Fitting for external linking
End of the chain
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).
SECTION 4 INSPECTION, MAINTENANCE AND ADJUSTMENTS
Pin
Split pin
5699-E P-67
Leaf chain
Model: BL846
The number of links: 129
LE11214R0100600240001