Needle Bearing Complete and Oil Seal | Makita BHR202 instruction

P 6 / 13

Repair

[3] DISASSEMBLY/ASSEMBLY

[3] -5. Torque Limiter Section (cont.)

ASSEMBLING

Do the reverse of disassembling steps.

Note: Do not forget to assemble Flat washer 28 between Torque limiter section and Inner housing complete. Refer to Fig. 12.

[3] DISASSEMBLY/ASSEMBLY

[3] -6. Needle Bearing Complete and Oil Seal 25

DISASSEMBLING

1)Disassemble Torque limiter section and Inner housing complete from Gear housing complete. See Disassembly of [3] -5. Torque Limiter Section.

2)Insert Inner housing complete into Gear housing complete. (Fig. 15)

3)Remove Needle bearing complete and Oil seal 25. (Fig. 16)

Fig. 15

Fig. 16

1R252

As the side for joining to Motor housing is not flat, Gear housing complete can not stand vertically without support.

Therefore, insert Inner housing complete into Gear housing complete as a support.

Oil seal 25

Needle bearing

1R252 complete

Applying 1R252, press it with Arbor press.

Gear housing complete Inner housing complete

ASSEMBLING

Needle bearing complete is removed together with Oil seal 25 from Gear housing complete.

1)Assemble Oil seal 25 to Gear housing complete in the order of Figs. 17 and 18.

2)Assemble Needle bearing complete as illustrated in Figs. 19 and 20.

Fig. 17

Fig. 18

With 1R232 and arbor press, insert Oil seal 25 until it stops. Oil seal 25 is not yet inserted completely in this step, because the outer diameter of 1R232 is bigger than that of Oil seal setting hole.

1R232

	outer diameter: 36mm
Oil seal 25	The diameter of Oil seal 25 setting
	hole is less than 36mm.

Fig. 19

Face the flat portion of Needle bearing complete to the belly side of Gear housing complete.

Needle bearing complete	flat portion
Needle bearing complete
	belly side

back side

Gear housing complete

Press Oil seal 25 to the initial position with arbor press and the outer diameter 34mm end surface of 1R164.

outer diameter: 30mm 1R164

1R164

outer diameter: 34mm

The initial position of Oil seal 25

Fig. 20

1R164

Press Needle bearing with

arbor press and the outer

diameter 34mm end

surface of 1R164 until

Needle bearing complete

stops. Needle bearing complete

Oil seal 25