Makita AR410HR dimensions Top view

Page 11

P 11/20

Repair

[3]DISASSEMBLY/ASSEMBLY

[3]-5. Air Motor Section

ASSEMBLING

2)Assemble Upper drum cap to Drum as described in Fig. 20.

Fig. 20

Assemble Spring pin 2.5-5 (2 pcs) to Drum.

Visually check if Upper drum cap is properly set on Drum.

Then set Upper drum cap on Drum,

If properly set, two holes of Drum can be seen through the

with Spring pin 2.5-5 of Drum fitting in the

sausage-shaped hole of Upper drum cap.

corresponding insertion hole of Upper drum cap.

 

 

Spring pin 2.5-5

Upper

Upper

drum cap

drum cap

Drum

Drum

[Top view]

sausage-shaped hole

two holes

3)Assemble Lower drum cap to Drum as described in Fig. 21.

Fig. 21

1.Assemble Ball bearing 689ZZ to Lower drum cap using 1R027 and arbor press.

Set Drum on Lower drum cap, with Spring pin 2.5-5 of Drum fitting in the corresponding insertion hole of Upper drum cap.

1R027

Drum

 

Ball bearing 689ZZ

Lower drum cap

2.Support Drum with 1R027 at the Ball bearing 689ZZ of Lower drum cap. Then apply another 1R027 to the Ball bearing 689ZZ in Upper drum cap, and firmly assemble Upper drum cap and Lower drum cap to Drum by pressing down Upper drum cap and Drum using arbor press until they stop.

1R027

Upper drum cap

1R027

3.Assemble Spur gear 21 to the hexagonal end of Rotor shaft protruding from Lower drum cap.

4.Assemble Internal spur gear section to Air motor section, with the ribs of Internal spur gear 44 fitting in the cut portion of Lower drum cap.

Spur gear 21

Lower drum cap

Upper drum cap

 

Lower drum cap

 

Air motor

cut portion

 

 

 

section

 

 

 

 

ribs with larger

 

Flat washer 15

intervening width

 

Internal spur gear 44

 

 

Image 11
Contents Standard equipment SpecificationOptional accessories Repair Necessary Repairing ToolsFastening Torque for Bolts ans Scerws DISASSEMBLY/ASSEMBLYDisassembling Top Cap SectionHead valve Rear side Front sideNotch Cylinder stayDriver Bit With the stepped face up Correct WrongCylinder Section Air Motor Section Round end of Rotor shaft Outer separatorInner separator Rotor shaft Removing Spring pin 2.5-5 from DrumRemoving Ball bearing 689ZZ from Lower drum cap Round endTop view Hole B Hole a insertion hole for Driver bitHole a Ribs a Repair DISASSEMBLY/ASSEMBLY 3-5. Air Motor Section Magazine Section 213984-5 Trigger Valve SectionDo not remove This Spring pin RingPainted white With one sideAdjuster, Contact Arm Assembly Closed side Closed side Open sideDriver Guide, Feed Piston Inlet Cap, Plug Do not turn Adjust cap because it is Factory adjustedAdjust cap