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P 8/ 9

1) Remove M4x10 Pan head screw, and then pull out Sub magazine from Main magazine.
2) Pivot Pusher and Separate it from Tension spring 3 and Sub magazine.
3) Remove Stop ring E-3 from Pin 4. Lever portion can be removed.

Sub magazine

DISASSEMBLING

Main magazine

End cap

Pusher

Adjuster

Adjuster side of
Sub magazine

Lever side of
Sub magazine

notch of Pusher

Tension
spring 3

M4x10
Pan head
screw

[4] DISASSEMBLY/ ASSEMBLY
[4]-6. Magazine section

R

epair

Fig. 27

Fig. 29

Fig. 31

Fig. 30

Fig. 28

1) Pass Tension spring 3 between cylinder portion and bottom of Sub magazine. (Fig. 29)
2) Hook the spring end on Adjuster side with the notch of Pusher . (Fig. 28)
3) Pick up the other spring end using Pincette. And hook the spring end with the hook on the bottom of Sub magazine as
     illustrated in Fig. 30.    

4) As for Lever portion, assembling the components in accordance with the way illustrated in Fig. 31.

ASSEMBLING

bottom of
Sub magazine

Adjuster

hook on the bottom
of Sub magazine

cylinder portion of Sub magazine
for hooking Tension spring 3 

Lever 

straight end

Torsion spring
5

Lever

Pin 4

Stop ring E-3

Sub magazine

hook of 
Sub magazine

protrusion of 
Lever

Straight tail attached to the bottom of
Sub magazine

bend end

Attach the bend end of Torsion spring 5
to the inside of Lever. Then insert Lever 
and Torsion spring 5 into Sub magazine. 

Move Lever vertical to Sub magazine,
and hook the protrusion of Lever with 
the hook of Sub magazine while 
compressing Torsion spring 5.  

Secure Lever portion in place by
Stop ring E-3 and Pin 4.

Summary of Contents for BST220

Page 1: ...es length 10mm 3 8 13mm 1 2 16mm 5 8 19mm 3 4 22mm 7 8 Battery chargers DC18RA DC24SA DC24SC Li ion Batteries BL1415 BL1815 L H W Dimensions mm Width W Height H Length L 251 9 7 8 BST221 BST220 247 9...

Page 2: ...socket head bolts mainly for Driver guide and Holder 4 9 up to 7 4 N m M4x4 Pan head screw mainly for Adjuster base 0 6 up to 1 0 N m 1 NECESSARY REPAIRING TOOLS CAUTION Remove Battery and Staple for...

Page 3: ...h and Terminal can be replaced 5 Remove Spur gear 55 complete and then lever up Spur gear 7 complete with slotted screwdriver Fig 6 Internal gear 69 DC motor and their linked parts come with Spur gear...

Page 4: ...er portion by gloved hand as illustrated in Fig 14 or clamping in vise loosen Guide bolt by hooking the flats and turning counterclockwise by monkey wrenches When Guide bolt is separated Compression s...

Page 5: ...g L Fig 18 6 Check that Safety lever can be slid smoothly 7 Secure both ends of Hammer driving section with 4x18 Tapping screws 2pcs and Fix plate Fig 9 8 Move Safety lever to the forward position to...

Page 6: ...l of Torsion spring 3 Switch button Pin 3 Put the bend portion of Release plate between Switch button and wide width of Leaf spring Put the hook portion of Leaf spring along the inside of Trigger Put...

Page 7: ...an be seen Fig 25 7 Insert Leaf spring into Housing L Inserting Leaf spring into Housing L before installation of the assembled parts causes difficulty 8 Plate and Spur gear 55 complete have to be fix...

Page 8: ...ther spring end using Pincette And hook the spring end with the hook on the bottom of Sub magazine as illustrated in Fig 30 4 As for Lever portion assembling the components in accordance with the way...

Page 9: ...ex of lead wires sheath Black Red White DC Motor Terminal Do not put Lead wires on rib Face Lead wires to DC motor side when connecting Terminal and Flag connectors of the Lead wires Face Lead wires t...

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