Makita 9558HN Technical Information

P 3/ 8
Repair
Fig. 4 Fig. 5
Fig. 6 Fig. 7
Fig. 8
[3] -1. Armature and Small Spiral Bevel Gear (cont.)
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.
ASSEMBLING
[3] -2. Spiral Bevel Gear 37 and Ball Bearing 6201DDW
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)
DISASSEMBLING
Bearing setting plate
(of proper size)
[View from rear cover side]
Woodruff key 4
Bearing box
Spindle
Gear Extractor, large (No.1R045)
Labyrinth
ring
Rear cover
(Wheel)
Power supply cord
Tapping screw
4x18
Spindle
Switch lever
5) Remove Retaining ring R-32 from Bearing box
with Retaining Ring S and R Pliers (No.1R291).
6) By striking Bearing box against the surface of
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.
Ball bearing
6201DDW
Bearing box
Flat washer 12
Spiral bevel gear 37
Gear housing cover
Ball bearing 629LLB

Makita 9558HN Specifications

General

Input power	840 W
Cable length	2.5 m
Power source	AC
Spindle thread	M14
Idle speed (max)	11000 RPM
Grinding disc diameter	125 mm
Product color	Black, Green, Silver

Weight and Dimensions

Width	139 mm
Height	106 mm
Length	271 mm
Weight	2100 g