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[4] DISASSEMBLY/ASSEMBLY
[4]-5. Adjuster assy

DISASSEMBLING

Disconnect Contact arm from Slide plate of Adjuster assy, and then remove Holder that secures Adjuster assy to Driver 
guide.
Remove Contact arm and Holder as illustrated in Fig. 9.  
Adjuster assy can be disassembled without removing Spring pins 3-20 and 3-32. (Figs. 19 and 20)       

Fig. 19

1R266

Spring pin 2-14

First, disassemble Spring pin 2-14 with 1R266.

Adjuster shaft

Steel ball 2.3

Compression
spring 2

Compression
spring 6

1R032

And then, remove Adjuster shaft by turning carefully 
not to lose Steel ball 2.3 and Compression spring 2. 

Adjuster assy

Note: Adjuster assy can be disassembled without 
removing Spring pins around Trigger assembly
and Trigger valve section.

Slide plate

Turn Adjuster piece 90

° left 

in Upper yoke

as illustrated below.

Adjuster piece can be removed.
Slide plate can be also removed
from Upper yoke. 

Adjuster piece

Adjuster
piece

Upper yoke

Fig. 20

90

°

ASSEMBLING

Take the disassembling step in reverse as follows;
(1) Assemble Adjuster piece to Upper yoke.
(2) Turn Adjuster piece 90

° right 

in Upper yoke so that Adjuster shaft can be in Adjuster piece.

(3) Assemble Compression spring 2 and Steel ball 2.3 to Upper yoke. Install Adjuster shaft into Adjuster piece carefully
      so as not to lose Steel ball 2.3 and Compression spring 2.
(4) Assemble Spring pin 2-14.
      Mount Adjuster assy to Housing set.
(5) Secure Adjuster assy to Driver guide with Holder and M5x12 Hex socket head bolt.

Summary of Contents for AN250HC

Page 1: ...ose adapter A 2 Nose adapter B 2 Plastic carrying case 1 Optional accessories Plastic sheet collated concrete pins Air hoses etc Air leak repair set Specification Nail collation angle 0 degree 2 5 0 0...

Page 2: ...m to Trigger base section 1R291 Retaining ring S and R pliers Removing installing Retaining ring R 24 Item No Apply Isoflex NB52 to the following portions to protect parts and product from unusual abr...

Page 3: ...head bolt M8x30 Hex socket head bolt Torque N m Q ty Use for 1 4 4 Inlet cap 1 37 One touch joint H22PM 1 63 M5x22 Pan head screw 1 32 M5x30 Hex socket head bolt 1 42 M4x10 Hex socket head bolt 1 93 M...

Page 4: ...emains in Top cap Filter Head valve Head valve guide Remove Head valve O ring 6 Remove Top cap gasket and O ring 6 Do not lose O ring 6 Rear cushion Top cap complete Air duster While filling one of tw...

Page 5: ...llustrated in Fig 7 1 Driver and Cylinder section can be removed as illustrated in Fig 6 3 O rings of Cylinder section can be replaced as illustrated in Fig 8 Take the disassembling step in reverse Re...

Page 6: ...securing Trigger assembly Trigger valve stem Trigger valve section Trigger assembly Adjuster assy Change rod Pliers Remove Trigger assembly and Change rod from Housing set Remove the following Spring...

Page 7: ...2 in places Fig 14 Fig 14 Fig 13 step of 1R268 for receiving 3mm Spring pin 1R268 Spring pin 3 20 Spring pin 3 32 3pcs Spring pins 3 20 3 32 DISASSEMBLING 4 4 Trigger assembly 1 Remove Contact arm and...

Page 8: ...plate Lever stopper plate Face the wide hook of Torsion spring 6 to Lever Match the arch ends of Stopper plate and Lever to make a cylinder for Torsion spring 6 narrow hook arch ends of Stopper plate...

Page 9: ...assy can be disassembled without removing Spring pins around Trigger assembly and Trigger valve section Slide plate Turn Adjuster piece 90 left in Upper yoke as illustrated below Adjuster piece can be...

Page 10: ...as illustrated in Fig 21 3 Disassemble Door from Driver guide as illustrated in Fig 22 Fig 21 Fig 22 ASSEMBLING DISASSEMBLING DISASSEMBLING Front cushion M8x30 Hex socket head bolt 4pcs Remove four M8...

Page 11: ...ove Retaining ring R 24 while holding Cup washer with your finger Because Cup washer is slung by Compression spring 9 and Compression spring 10 Now the following parts are disassembled from Driver gui...

Page 12: ...ver guide mount Compression spring 3 to the elliptic hole of Feeding claw While pressing Compression spring 3 with slotted screwdriver insert Piston into Driver guide And push Piston to the position w...

Page 13: ...ete Magazine cap complete can be separated from Magazine as illustrated below M5x20 Hex socket head bolt Take the disassembling step in reverse ASSEMBLING Take the disassembling step in reverse 4 9 Do...

Page 14: ...ated in Fig 29 If it is difficult to remove One touch joint H22PM as illustrated in Fig 29 One touch joint can be disassembled as illustrated in Fig 29A Note One touch joint H22PM and Inlet cap as Mak...

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