P 4 / 8
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Drill Chuck, Spindle, Helical Gear 37, Ball Bearing 6002DDW (Cont.)
R
epair
DISASSEMBLY
1) Turn and remove Conical compression spring 15-24 when it remains at the hole of Gear housing. (Fig. 6)
2) Remove Retaining ring R-32 with 1R005. (Fig. 7)
3)
Applying 1R246 as illustrated in Fig. 8, press down
Ball bearing 6002DDW and Cup washer 15.
1) Assemble Cup washer to Gear housing. (Fig. 9)
Note: Face the concave of Cup washer to Drill chuck assembling side.
2) Applying 1R252 as illustrated in Fig. 10, press-fit Ball bearing 6002DDW. Secure it with Retaining ring R-32 (Fig. 7)
3) Turn and push Conical compression spring 15-24 into Gear housing. (Fig. 11)
Fig. 6
Fig. 10
Fig. 7
Fig. 8
Fig. 9
Wrong
Correct
Conical compression spring 15-24
can be stabilized in the concave
of Cup washer.
Fig. 11
Conical compression
spring 15-24
hole of
Gear housing
hole of
Gear housing
The reverse side
of Gear housing
Retaining
ring R-32
1R005
1R246
Arbor press
Cup washer 15
Ball bearing
6002DDW
Ball bearing
6002DDW
Arbor press
Arbor press
ASSEMBLY
Drill chuck assembling side
1R252
Conical
compression
spring 15-24
There is no concave
for Conical compression
spring 15-24.
1R027
Helical gear 37
4) Insert Spindle into Ball bearing 6002DDW in Gear housing by hand. (Fig. 12)
5) Applying 1R027 to Spindle as illustrated in Fig. 13, press-fit Helical gear 37 using 1R029.
Note: Do not pinch Conical compression spring between the rim of Spindle (Re: Fig. 12) and Gear housing.
6) Fit Retaining ring WR12 into the groove of Spindle to hold Helical gear 37. Install Pin 4 and Steel ball 3.5. (Fig. 14)
Fig. 13
Fig. 14
Fig. 12
1R029
Gear housing
rim of Spindle
Gear housing
Helical gear 37
Steel ball 3.5
Retaining
ring WR12
groove of Spindle
Pin 4
