R
epair
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< 9 > Assembling equipment for mode change
(1) Attach compression spring 4, lock button and O ring 17 to change lever as illustrated in Fig.20.
(2) Attach the above change lever to housing L. And assemble retaining ring S-18 as illustrated in Fig.21.
Set the change lever to percussion mode as illustrated in Fig. 21A. Assemble guide plate to housing L with
2 pcs. of tapping screws 4 x 12.
(3) Assemble change plate as follows.
Change lever
Compression spring 4
Lock button
O ring 17
Lock button has to be pressed
into change lever until its hook
engages change lever.
Fig.21
Fig.20
Retaining ring S-18
Change lever
Fig.21A
Change lever set in
percussion mode
1. Set compression spring 4 to change plate as illustrated in Fig.22A.
2. Set compression spring 4 assembled on change plate, to guide plate as illustrated in Fig. 22B
3. Mount the whole change plate on guide plate, setting the under edge of the change plate to the rib of
guide plate as illustrated in Fig 22C.
4. Set change lever on the rotary hammer mode to prevent that the change plate slips off from
the guide plate's rib.
Change plate
Compression spring 4
Guide plate
Top view of the above parts
Compression spring 4
Change plate
Compression spring 4
Change plate
Guide plate
Side view of the above parts
assembled to guide plate
Fig.22A
Fig. 22B
Fig 22C
Set the under edge of the change
plate to the rib of guide plate.
Guide plate