P 4 / 8
R
epair
[3] -1. Disassembling/Assembling Hammering Mechanism (cont.)
Hammer
Spindle
1R346
1R045
top of Cam groove on Spindle
notch in Hammer
Steel ball 5.6
6) Install 1R346 on 1R045. (
Fig. 5
)
7) Set 1R045 on Hammering mechanism (= assembled unit of Hammer, Spindle,
Spur gears, Steel balls, etc.) as illustrated in
Fig. 6
.
Then turn the handle of 1R045 clockwise to lower Hammer to the full.
8) Align the notch in Hammer with the top of Cam groove on Spindle.
Then take two 5.6 Steel balls out of spindle using tweezers or a slotted
screwdriver magnetized using 1R288. (
Fig. 7
)
9) Remove 1R045 by turning the handle counterclockwise.
10) Remove Spindle, Compression spring 25 and Cup washer 14 from Hammer as illustrated in
Fig. 8
.
Important:
Be sure to lower the Hammer side in order to prevent Steel balls in Hammer from scattering around.
11) Now Steel ball 3.5 can removed from Hammer. (There are twenty-four 3.5 Steel balls in the groove on the inside
of Hammer.)
Note:
As illustrated in
Fig. 9
, the groove of Hammer is designed to have a space equivalent to about one 3.5
Steel ball when twenty-four 3.5 Steel balls are set in place.
Fig. 5
1R045
1R346
Fig. 6
Fig. 7
Fig. 9
Hammer
Steel ball 3.5
(24 pcs)
space equivalent to
about one 3.5 Steel ball
Fig. 8
Hammer