MAN00000772_SI-G200BB_SVCPDFA.pdf - 第20页

Work Procedure WKGB-10102-01 G200BB Head Maintenan ce SHEET 6/1 1 11 Remove the bottom bea ring. 12 Usi ng the bearing press fitting jig, remove the collar and the bearings from the hea d. Bearing Collar Bearing press fi…

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Work Procedure
WKGB-10102-01
G200BB Head Maintenance
SHEET
5/11
2. Attach the pulling jig to the top of the
spline nut.
3. Pull the outer collar up toward the
pulling jig gently.
4. Remove the pulling jig together with
the outer collar from the head.
Be careful not to lose the set shoe for securing
the outer collar.
9 Using the pulling jig, press the spline nut
down and pull it out from the bottom side of
the head.
Do not touch the end plate (black part) on top of
the spline nut.
10 Remove the mask plate.
If the bearing will not be removed from the head,
the mask plate does not need to be removed.
1. Remove all the shafts (Index 1 to
Index 8).
2. Loosen 4-CP2.5X5 to remove the mask
plate.
Use caution not to drop the bearing.
4-CP2.5x5
Mask plate
Outer collar
Pulling jig
Spline nut
Pulling jig
Spline nut
Work Procedure
WKGB-10102-01
G200BB Head Maintenance
SHEET
6/11
11 Remove the bottom bearing.
12 Using the bearing press fitting jig, remove
the collar and the bearings from the head.
Bearing
Collar
Bearing press
fitting jig
Bearing
Work Procedure
WKGB-10102-01
G200BB Head Maintenance
SHEET
7/11
[Reassembling Procedure]
1 Apply AFC grease thinly to the ceramic balls
(2 pcs.), and then attach the balls to the
inner shaft.
2 Apply AFC grease thinly to the nozzle O-ring
spring, and then attach the spring to the
inner shaft.
Do not reuse the nozzle O-ring spring once it has
been removed, otherwise the holding power may
decrease.
Nozzle holding power spec. : 800 [gf] or above
Guideline of nozzle holding force:
When the nozzle is pull down with
your finger, the inner shaft goes down
together with the nozzle.
3 Apply AFC grease thinly to the inner shaft
surface.
Do not apply grease too much. Apply thinly to an
extent that color of AFC grease is not colored.
4 Apply Multi-Purpose Grease thinly to the
small gear.
5 Check O-ring condition of outer collar.
And replace, if it was worn or damaged.
The O-ring is used as a brake. Use caution not to
contaminate the O-ring with oil, grease, and
others.
Inner shaft
Ceramic balls
Nozzle O-ring spring
O-ring
Outer collar
Inner shaft
Small gear
: AFC grease