Repair
P 8/ 15
[3]DISASSEMBLY/ASSEMBLY
[3]-5. Motor and Gear Section
ASSEMBLING
(1)Assemble Cam block section to Spur gear 55 complete. (Fig. 26) Usually, there is no need to disassemble Cam block section for repair.
Note: Put Makita grease N No.2 to the inner and the outer surface of Internal gear 69, the pins of Spur gear 7 complete and the teeth of Spur gear 55 complete.
(2)Mount the following parts on Housing L (Fig. 27);
Spur gear 55 complete, Cam block section, Lock arm section and two Leaf springs
Note: When disassembling Lock arm section, do not remove M3x4 Pan head screw. It becomes easy to set gear section in place.
Regarding two Leaf springs, install them in the space for Internal gear 69 as drawn in Fig. 28.
(3)Face the rim portion of Internal gear 69 oposit side of DC motor and assemble Internal gear section (Fig. 29).
(4)Install Anti back plate to Spur gear 7 complete with the direction described in Fig. 30
and mount them in Housing L. (Fig. 31) Be sure to put Roller portion of Spur gear 55 complete under the hook of Hammer.
Fig. 26 | Fig. 27 |
|
Cam block section (with Push pin, | Space of Housing L for Lock arm | Cam block |
Spring pin | Internal gear 69 |
|
| Distance A | Spur gear |
| Distance B | 55 complete |
| Leaf spring |
|
| Center line |
|
Spur gear 55 | Leaf spring |
|
|
| |
complete | Distance A= Distance B | Pin 5 |
Fig. 28 | Fig. 29 |
Lock arm section | Internal gear 69 | Flat washer 12 |
(with Pin 5 and |
|
|
M3x4 Pan head |
|
|
screw ) | Leaf spring | Spur gear 27 (3pcs.) |
|
| |
| for Internal |
|
| gear 69 | DC motor |
|
| |
| Rim portion |
|
| Spur gear 7 |
|
| complete |
|
Fig. 30 |
| Fig. 31 |
|
|
| Hook of Hammer |
|
| Spur gear 7 | Roller portion of |
|
| Spur gear 55 complete | Spur gear 55 complete | |
| complete | ||
|
|
|
Housing L | Internal gear 69 |
| Put Plane bearing 10 on |
|
| Spur gear 55 complete. | |
| DC Motor |
| Install Plane bearing 10 |
Tails of Anti back plate | Anti back plate |
| into the hook of |
Plane | Spur gear 55 complete. | ||
| Rim portion of |
| |
| bearing 10 | Hook of Spur gear 55 complete | |
| Internal gear 69 | ||
|
|
|
Caution: If using the tool on condition that Roller portion of Spur gear 55 complete is put on the hook of Hammer by mistake, DC motor runs without transmitting the torque to gear section.