Yamaha YK250XGC Installation Manual page 59

Enter the safety enclosure.
3
Remove the bolts, seal washers, and
4
washers.
Remove the tapped-hole plug bolts, seal
washers, and washers. Additionally, remove
the stopper from the plus side of the X-axis.
Sandwich the damper among the
5
bolt, nut, and seal washer, and
secure the parts.
1. Sandwich the damper (1) among the
bolt (2), nut (3), and seal washer (4). At
this time, use the bolt and nut listed in
the Table on the previous page.
2. Secure the parts to the arm by tightening
the nut to the specified torque (42Nm
(428kgfcm)).
When adding the stopper in one direction of the
y-axis, do not remove the standard stopper. if this
stopper is removed, the stopper on the opposite
side is lost.
Install the bolt and washer in the
6
blank tapped hole in the standard
stopper.
To protect the blank tapered hole in the
standard stopper, tighten the bolt and
washer to the specified torque (16Nm
(163kgfcm)).
be sure to put the seal washer (4). otherwise, the
dust/drip proof performance or the degree of
cleanliness may lower.
Check that the movement range is
7
limited.
Go out of the safety enclosure.
8
Turn on the controller.
9
Check that no one is inside the safety
enclosure, and then turn on the controller.
Set the soft limits in the X-axis and
Y-axis plus directions.
When the stopper is installed in the minus
direction, set the soft limits in the minus
direction.
whether or not the x-axis stops at a position before
the stopper limited by the soft limit must be
checked from the outside of the safety enclosure.
Step 4
23211-HM-00
Step 5
23212-HM-00
Stopper damper (1)
For the X-axis stopper, install the
additional mechanical stopper by
changing only the stopper position.
Step 6
23213-HM-00
Y-axis standard stopper
Y-axis plus direction additional stopper
Stopper after changing
the X-axis plus direction position
Removing the tapped-hole plug bolts and seal washer
Seal washer
Washer
Bolt
Installing the damper
Do not remove the standard stopper.
Seal washer (4)
Nut (3)
Bolt (2)
Installing the bolt in the standard stopper
2
Washer
Bolt
2-11