P 9/20

Repair

[3]DISASSEMBLY/ASSEMBLY

[3]-5. Air Motor Section

DISASSEMBLING

4)Disassemble Air motor section and remove Rotor and Upper drum cap as described in Fig. 16.

5)Rotor can be disassembled as described in Fig. 17.

Fig. 16

Remove Outer separator, Inner separator and Spur gear 21 from Air motor section.

Outer separator

Inner separator

Upper drum cap

Air motor

 

section

Drum

Lower drum cap

Spur gear 21

Remove O rings from Outer separator and Inner separator.

O Ring 45

Outer separator

O Ring 31.5

O Ring 17

Inner separator

O Ring 16

Remove Rotor by tapping the drive-end of Rotor shaft.

Upper drum cap

Rotor

Drum

Lower drum cap

In this step, Ball bearing 689ZZ still remains in Lower drum cap.

Fig. 17

Damaged or worn Blades can be replaced in this step.

Note: Five Blades have to be replaced simultaneously.

Blade

Rotor

Remove Rotor from Upper drum cap using 1R045 and 1R346.

In this step, Ball bearing 689ZZ still remains in Upper drum cap.

Upper drum cap

Ball bearing 689 ZZ can be removed from Upper drum cap using Rotor as illustrated below.

Hexagonal end of Rotor shaft

Rotor

Round end of Rotor shaft

Ball bearing

689 ZZ

Upper drum cap

O Ring 9 can be removed from the opposite side of Ball bearing 689ZZ.

1R045 1R346

O Ring 9

Page 9
Image 9
Makita AR410HR dimensions Outer separator, Inner separator, Round end of Rotor shaft