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P 5/ 9

1) As illustrated in Fig. 15, set Compression springs 13 and 9 in place on Guide bolt after installing Flat washer 8.
2) Pass Guide bolt through Driver lock. While pressing the compression springs onto worktable, mount the following parts
    on Compression spring 13.
     - M6 Hex. nut
     - Holder
     - Flat washer 6
     - Cushion
     - Driver lock
     - Spring holder
Note: 1. When loosening Guide bolt, apply ThreeBond 
              1303B or Loctite 272 to the thread of Guide bolt.
          2. Fit the inner lip of Cushion into the groove on 
              Guide bolt completely, or M6 Hex. nut will not 
              be installed firmly to the thread of Guide bolt.
     

3) Move Spur gear 55 complete until the roller portion is placed as illustrated in Fig. 18, and secure Pin 10 to Housing L by
     tightening 4x18 Tapping screw.
4) Mount Safety lever on Housing L.
5) Cover Hammer driving section with Guide plate, and install them into Housing 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 the full. And then put Set plate between Holder and Driver guide complete.
    Fasten them to Magazine section by tightening M5x18 Hex. socket head bolts (2pcs.). (Fig. 19
9) Secure Safety lever guide by tightening M4x6 Hex. socket head bolts (2pcs.). (Fig. 10)
10) Set Compression spring 4 in place. (Fig. 19)

[4] DISASSEMBLY/ ASSEMBLY
[4]-3. Hammer, Cushion (cont.)

R

epair

Fig. 16

Fig. 18

Fig. 19

thread of Guide bolt

Driver lock

ASSEMBLING

Hammer driving section

Safety lever guide

Spring base

Compression
spring 4

Holder

M5x18 Hex. socket head bolt (2pcs.)

Set plate

Driver guide
complete

Guide plate

Roller portion of Spur gear 55 complete
has to be placed as illustrated. 

Safety lever

4x18 Tapping
screw

Fig. 17

Fig. 15

M6 Hex. nut

Holder

inner lip of Cushion

Compression spring 13 Compression spring 9

Guide bolt

Flat washer 8

Flat washer 6

Spring holder

Driver lock

Pin 10

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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