Makita BHR202 specifications Armature, Torque Limiter Section

P 5 / 13

Repair

[3]DISASSEMBLY/ASSEMBLY

[3]-4. Armature

DISASSEMBLING

1)Remove Holder cap cover by inserting Slotted screwdriver between Holder cap cover and Motor housing complete. (Fig. 8) Then remove Holder cap and Carbon brushes.

2)Seperate Gear housing complete from Motor housing complete by loosening 4x40 Tapping screws (4 pcs.). Armature is left on Gear housing complete in this step. (Fig. 9)

3)Pull Armature out from Gear housing complete by hand. (Fig. 10) This way is easier than using Plastic hammer to strike Gear housing portion. (Ball bearing 6000DDW of Armature is tightly fit into the bearing room in Gear housing complete using O ring 26. )

Fig. 8

Holder cap cover

Fig. 9

Gear housing	Motor housing
complete	complete

4x40 Tapping screws (4 pcs.)

Fig. 10

Ball bearing 6000DDW

of Armature (behind the Fan)

bearing room of

Gear housing complete

ASSEMBLING

Do the reverse of the disassembling step.

[3] -5. Torque Limiter Section

DISASSEMBLING

1)Disassemble Tool holder section as illustrated in Fig. 3.

2)Disassemble Change lever as illustrated in Figs.4 and 5.

3)Separate Gear housing complete from Motor housing. Then remove Armature from Gear housing complete. (Figs. 8 to 10)

4)Disassemble Torque limiter section as illustrated in Figs. 11 and 12.

5)Remove the Ring spring 29 to separate Washer 31, Compression spring 32 and Spur gear 51 (Figs. 13 and 14)

Fig. 11

Gear housing complete

Torque limiter
section	Remove Torque limiter
	section from Gear housing
	complete by striking
	Chuck assembling portion
	with Plastic hammer.

Ball bearing 606ZZ remains fixed in Gear housing complete.

Fig. 13

Assemble two pcs. of 1R022 to 1R306 and hold them to the ram

of arbor press. Put Torque limiter section on the table of arbor press.

1R036 ram of arbor press

1R022 (2 pcs.)

Washer 31

Ring spring 29 Table of arbor press

Fig. 12

Torque limiter section

Piston cylinder

Flat washer 28

Inner housing complete

Remove Torque limiter section from Piston cylinder and Inner housing complete.

Fig. 14

While compressing Compression spring 32 by pressing down Washer 31 using arbor press, remove Ring spring 29 using 1R004.

Spur gear 51 can be removed.

Ring spring 29

1R004

Washer 31

Spur gear 51 Compression spring 32