P 6 / 7
R
epair
Fig. 17
Fig. 18
3) As illustrated in Fig. 14, Remove Spiral bevel gear 15 from
Armature using Bearing plate (No.1R022), Pipe ring (No.1R023),
Round bar 50 (No.1R280) and arbor press.
[3] -2. Removing/Installing Spiral Bevel Gear from/on Armature (cont.)
[3] -3. Assembling Clutch Section
Do the reverse of the removing steps.
Note:
When press-fitting Spiral bevel gear 15 on Armature,
use Bearing plate 10.2 (No.1R033) and arbor press. (Fig. 15)
At this time, be sure to press down Armature till the end surface of
Spiral bevel gear completely contacts the surface of the second
stepped portion of the armature shaft. (Fig. 16)
INSTALLATION
Fig. 14
No.1R023
No.1R022
Ram of arbor Press
Spiral bevel gear 15
No.1R280
Fig. 15
Fig. 16
No.1R033
Armature shaft
Ball bearing
Spiral bevel gear 15
surface of the second stepped portion
end surface of Spiral bevel gear 15
[Cross Section Around the Top of Armature shaft]
1) Before assembling Gear complete to Spindle, insert Compression spring 8 in the hole of Spindle. (Fig. 17)
Note: Make sure that the Compression spring is inserted to the full depth before installing Gear complete.
2) See Fig. 18. Assemble Shoulder pin 4 (3pcs), Thrust needle bearing 821 and Plane bearing to Gear complete.
Note: Assemble Plane bearing 8 to Gear complete so that the end chamfered more than the other is placed
on the Motor side.
Then install the assembled Clutch section on Housing.
Plane bearing 8
Compression spring 8
Spindle
Plane bearing 14
Dust cover
Ring 15
Gear complete
Thrust needle bearing 821
Shoulder pin 4 (3pcs)
[Motor side]
[Bit installation side]
end chamfered more
than the other
