P 2/ 4
Repair
CAUTION: Remove the bit and the battery from the machine for safety before repair/ maintenance in accordance with the instruction manual!
[1] NECESSARY REPAIRING TOOLS
Code No. | Description | Use for |
1R291 Retaining ring S and R pliers Removing/ Installing Bit sleeve
[2] DISASSEMBLY/ASSEMBLY
[3]-1. DC Motor, Gear Assembly, Speed Change Lever Assembly
DISASSEMBLING
1)Remove two Set plates with which Handles (L) and (R) are assembled to one another as follows:
Insert a small slotted screwdriver through the punched hole of Set plate and move Set plate in the direction of the arrow using the screwdriver. (Fig.1)
2)Remove Housing (R) from Housing (L) by loosening six Bind PT3x6 tapping screws.
3)Remove Speed change lever assembly from Gear assembly. (Fig. 2)
4)Remove DC motor from Gear assembly as illustrated in Fig. 3
5)Separate DC motor from Bracket by loosening two M3x6 Pan head screws. (Fig. 4)
Fig. 1
Set plate |
|
(2pcs.) | Handle (R) |
| small slotted |
Handle (L) | screwdriver |
|
Fig. 2
Speed change lever assembly
change lever of Gear assembly
convex portion of
Motor bracket
DC motor
Fig. 3
1Shift the change lever of Gear assembly to the high speed position.
2 Turn Gear assembly counterclockwise.
3 Pull out Gear assembly from DC motor with Bracket.
DC motor
Fig. 4
M3x6 Pan head screws |
(2pcs.) |
Motor bracket |
ASSEMBLING
1)Fix Motor bracket to DC motor with two M3x6 Pan head screws. Note: Align the red marking on DC motor with
Motor bracket. (Fig. 5)
2)Fix Gear assembly to DC motor with bracket and turn Gear assembly clockwise.
Note: Align the change lever of Gear assembly with the red marking on DC motor. (Fig. 3)
3)Fix Speed change lever assembly to the change lever of Gear assembly as illustrated in Fig. 2.
Note: Set the change lever of Gear assembly in place between two Compression springs 4 on the reverse side of Speed change lever assembly, and insert the emboss of the change lever into one of Compression spring 4. (Fig. 6)
Fig. 5
red marking on terminal of positive pole 
convex portions
Fig. 6
Viewed from the upper position | change lever of | Speed change lever assembly | |
Gear assembly | |||
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Emboss of change lever |
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of Gear assembly |
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| Compression spring 4 |
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