[3] DISASSEMBLY/ASSEMBLY
[3]-3. Assembling Switch, F/R change lever and Switch plate complete
Fig. 15
Fig. 18
Fig. 19
Fig. 20
Fig. 16
Fig. 17
Fig. 21
Fig. 22
(1) Fit the projection of Switch to the notch of F/R change lever and
assemble them to Housing set (L). (
Fig. 15
)
(2) Insert Switch plate complete to Housing set (L). (
Fig. 16
)
(3) Fit Sponge A into Seal and set them to Housing set (L). (
Fig. 17
)
Note
: Align the end of Sponge A with the side end of Seal to be flat.
(4) Set Sponge B on the rib of Housing set (R). (
Fig. 18
)
Note
: Use new Sponge A and Sponge B to assure the drip-proof construction.
Housing set (L)
Ring spring 11
Switch plate complete
(used for BTD134 and
BTD146 only)
Notch of
F/R change
lever
Projection of Switch
P
6
/ 1
1
R
epair
Sponge A
Seal
Sponge B
Rib of Housing set (R)
Housing set (L)
[3]-4. Disassembling Bit holder section
(1) Remove Hammer section by steps drawn in
Fig.2 to Fig. 7
.
(2) Remove the following parts from Hammer section. (
Figs. 8, 9 and 10
)
Hammering mechanism, Internal gear 51, O ring 40 and Bearing box complete
(3) Put Hammer case complete on 1R232 to disassemble Bit holder section easily. (
Fig. 19
)
(4) Expand the open end of Ring spring 11 with 1R291 and raise the opposite of Ring spring 11
by index finger while pressing the top of Sleeve by thumb. (
Fig. 20
)
The components are removed from Anvil as drawn in
Figs. 21 and 22
.
Sleeve
Hammer case
complete
Anvil
1R232
Ring spring 11
Ring spring 11
1R291
Hammer case
complete
Nylon washer 19
Anvil
Flat washer12
Bit sleeve
Compression
spring 13
Steel ball 3.5 (2pcs.)
