Makita 9557HN Repair Armature and Small Spiral Bevel Gear, Assembling, Switch lever Spindle

P 3/ 8

Repair

[3] -1. Armature and Small Spiral Bevel Gear (cont.)

ASSEMBLING

Do the reverse of the disassembling steps.

Note: Use arbor press and Bearing Setting Plate (of proper size ) when fitting Ball bearing 629LLB in Gear housing cover. (Fig. 4)

Important: Assemble Gear housing to Motor housing so that Switch lever can be operated with right thumb as illustrated in Fig. 5.

Fig. 4

Ball bearing 629LLB

Fig. 5

[View from rear cover side]

Gear housing cover

Bearing setting plate (of proper size)

Switch lever

Spindle

Power supply cord

Rear cover

Tapping screw 4x18

(Wheel)

[3] -2. Spiral Bevel Gear 37 and Ball Bearing 6201DDW

DISASSEMBLING

1)Remove Bearing box from Gear housing by unscrewing four M4x14 Pan head screws.

2)Remove Retaining ring S-12 and Wave washer 12 from Spindle with Retaining Ring S and R Pliers (No.1R291).

3)Spiral bevel gear 37 can now be removed by hand. Then remove Woodruff key 4. (Fig. 6)

4)Remove Spindle using Gear Extractor, large (No.1R045). Labyrinth ring can now be removed. (Fig. 7)

Fig. 6	Fig. 7
Spiral bevel gear 37	Gear Extractor, large (No.1R045)

Woodruff key 4
	Labyrinth
Bearing box	ring
	Spindle
5) Remove Retaining ring R-32 from Bearing box	Fig. 8
with Retaining Ring S and R Pliers (No.1R291).
6) By striking Bearing box against the surface of	Bearing box
a work bench, Ball bearing 6201DDW and Flat
washer 12 can be removed from Bearing box
as illustrated in Fig. 8.
If it is difficult to remove the ball bearing,
remove using arbor press.

Flat washer 12

Ball bearing 6201DDW