P 4/20

Repair

[3]DISASSEMBLY/ASSEMBLY

[3]-2. Top Cap Section

DISASSEMBLING

1)After removing Top cap and Top cap spacer from Housing, remove Head valve and Cylinder stay from Top cap using air duster to blow air into the space between Top cap and Head valve using air pressure. (Fig. 3)

2)Remove Knob from Top cap, then disassemble the other parts from Top cap as illustrated in Fig. 4.

Fig. 3

1.By removing four M5x80 Hex socket head bolts using 1R299, separate Top cap, Top cap spacer and Top cap gasket from Housing. Then remove Top cap and the other Top cap gasket from Top cap spacer.

2.Turn Top cap upside down, then press down Head valve and Cylinder stay firmly into Top cap with your palm to make the air pressure as possible.

While pressing down Head valve and Cylinder stay, insert nozzle of air duster into the hole of Top cap.

M5x80 Hex socket head bolt (4 pcs)

Top cap

Top cap spacer

Nozzle of air duster

Top cap

Insert nozzle of air duster into this hole.

Head valve

Cylinder stay

Top cap gasket

3.By blowing air into the space between Top cap and Head valve through the hole, Cylinder stay and Head valve can be separated from Top cap.

Cylinder stay

Head valve

Fig. 4

By removing M4x8 Hex socket button head bolt and Knob,

the inner parts can be removed from Top cap as illustrated below.

M4x8 Hex socket

 

button head bolt

 

(1 pc)

Conical compression spring 10-15

Knob

O Ring 6

Change valve

 

 

Flat washer 19

 

Rear cushion

 

O Ring 22

 

Seal ring 22

 

Compression

 

spring 4 (8 pcs)

Page 4
Image 4
Makita AR410HR dimensions Top Cap Section, Disassembling