Makita DBN600 Repair Manual Download Page 1

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March 2018

Ver.1

OFFICIAL USE

for ASC & Sales Shop

CORDLESS BRAD NAILER

DBN600

REPAIR MANUAL

Summary of Contents for DBN600

Page 1: ...March 2018 Ver 1 OFFICIAL USE for ASC Sales Shop CORDLESS BRAD NAILER DBN600 REPAIR MANUAL...

Page 2: ...9 6 2 Armature and Gear assembly 12 6 2 1 Disassembling 12 6 2 2 Assembling 15 6 3 Crank section Main piston section and Driver 20 6 3 1 Disassembling 20 6 3 2 Assembling 25 6 4 Door section 31 6 4 1...

Page 3: ...disassembled parts carefully Clean and wash them properly 3 NECESSARY REPAIRING TOOLS Code No Description Use for 1R026 Bearing setting pipe 16 8 2 removing assembling Latch 1R041 Vise plate removing...

Page 4: ...OFFICIAL USE for ASC Sales Shop 4 41 4 LUBRICANTAND ADHESIVE APPLICATION Description Amount Isoflex NB52 A little if not indicated 5 TIGHTENING TORQUE SPECIFICATIONS 2g 1g 1...

Page 5: ...head bolt 1 0 1 8 2 2 6 Driver guide Crank case M5x25 Hex socket head bolt 5 0 7 5 2 7 Top cap Spring bracket M5x12 Hex bolt 5 0 7 0 2 2 8 Adjuster shaft Hex nut M8 Adjuster shaft 7 5 9 5 1 9 Crank ca...

Page 6: ...gazine section 6 1 1 Disassembling Fig 1 1 1 1 1 Remove an M5x28 Pan head screw 2 and 3x16 Tapping screws 3 12 pcs from Housing L 1 Then remove Housing R 4 Fig 2 2 2 2 2 Open 2 Latch cover 1 Remove M5...

Page 7: ...screwdriver 1 Remove Compression spring 9 2 from Adjuster base 4 Fig 4 4 4 4 4 Remove 6 the bent portion of Arm 4 fromAdjuster base 5 while lifting up 3 Driver guide 1 by turning 2 it Remove 9 Arm se...

Page 8: ...rom Driver guide 3 by supporting 2 Pusher lever 1 Remove 7 Driver guide section 3 from Magazine section 6 Guide plate 8 Note Be sure not to lose Sleeve 4 5 Fig 6 6 6 6 6 Remove 3 Pusher lever section...

Page 9: ...zine end 3 and End plate 4 6 1 2 Assembling 1 1 1 1 Reverse the procedure 6 1 1 Fig 8 2 2 2 2 Insert 3 Stopper 1 into Pusher lever portion 2 if Stopper 1 is disengaged Fig 9 3 3 3 3 Insert 3 Pin 5 2 i...

Page 10: ...11 5 5 5 5 Set 8 the protrusion of Pusher lever 6 in the groove of Magazine end 7 while setting 5 Pusher 3 in the groove of Magazine 4 by pushing 2 Button 1 6 6 6 6 Push down 10 Pusher lever 6 to the...

Page 11: ...e of End plate 6 Fig 13 8 8 8 8 Insert 5 Driver guide 3 in Magazine 4 while pushing 2 Magazine end 1 Fig 14 9 9 9 9 Insert 3 Guide plate 1 in the groove of Driver guide 2 Fig 15 10 10 10 10 Put Loctit...

Page 12: ...flat sides of Driver 1 to the door side 2 and applying the side surface of Driver guide 3 to the side surface of Crank case 4 tighten M5x25 Hex socket head bolts 5 2 pcs 6 2 Armature and Gear assembly...

Page 13: ...Crank case 1 Remove 6 Flat washer 23 3 Gear assembly 4 and Motor housing 5 Note Be sure not to lose Flat washer 23 3 Fig 20 4 4 4 4 Remove 3 Leaf spring 2 from Motor housing 1 Fig 21 5 5 5 5 Remove 4...

Page 14: ...g 22 6 6 6 6 Remove 3 Gear assembly 2 from Motor housing 1 Fig 23 7 7 7 7 Remove 3x16 Tapping screws 2 4 pcs from Motor housing L 1 Remove Motor housing R 3 Fig 24 8 8 8 8 Remove Armature 2 from Motor...

Page 15: ...illustrated parts 4 so that Torsion spring 1 does not come off Fig 26 10 10 10 10 Pull out 4 Armature 1 and York unit 2 from Brush holder 3 Fig 27 11 11 11 11 Applying the gear side ofArmature 1 on wo...

Page 16: ...ure 2 assemble them Fig 29 3 AssembleArmature 1 and York unit 2 to Brush holder 3 Fig 30 4 Set Torsion spring 2 that is hooked to the groove of Brush holder side 1 to the initial position 3 Hold 5 Car...

Page 17: ...ly when viewed from arrow side 3 Be sure that the sides of York unit 5 are fit inside of the rib of Motor housing L 6 Be sure that the sides of Brush holder 7 are fit inside of the rib of Motor housin...

Page 18: ...and Gear assembly 2 as shown Align the other side of Plate 1 to the groove of Motor housing 3 8 Opposite side can be done in the same way Fig 34 9 Set 3 Leaf spring 1 to Motor housing 2 Tips Leaf spri...

Page 19: ...5 the hexagonal part 4 of Shaft 4 to the hexagonal part 3 of Gear assembly 1 Setting the protrusion 6 of Gear assembly 1 tighten with M4x16 Hex socket head bolts 7 4 pcs applied a little bit of Locti...

Page 20: ...bolts 2 2 pcs from Top cap 1 Remove 6 Spring bracket 3 Rear cushion 4 and Compression spring 15 5 Note When you remove M5x12 Hex bolts 2 2 pcs be sure to press 7 Spring bracket 3 because Compression s...

Page 21: ...ough 3 Head valve 2 from Top cap 1 Fig 39 6 Remove 3 Cushion P 2 from Head valve 1 Fig 40 7 Remove M4x12 Hex socket head bolts 2 2 pcs from Top cap 1 Remove 4 Stem holder 3 Note Be sure that O ring 6...

Page 22: ...ve M4x28 Hex socket head bolts 2 4 pcs from Main cylinder 1 Remove 6 Crank case 3 Driver 4 and Main piston 5 Fig 42 9 Remove 3 Con rod 2 from Crank 1 Fig 43 10 Remove 4 Driver 2 and Cylinder 3 from Ma...

Page 23: ...rom Main piston 1 Pull out 5 Piston pin 8 4 and remove 7 Con rod 6 from Main piston 1 Fig 45 12 Inserting Slotted screwdriver 1 to the gap 4 between Front cushion 2 and Crank case 3 prying it up 5 rem...

Page 24: ...ase 1 Remove 4 Spur gear 14 section 3 Fig 47 14 Supporting Holder 1 with 1R258 tapping 3 Spring pin 2 5 9 2 with 1R267 remove 7 Spur gear 44 4 Bracket 5 and Holder 6 Fig 48 15 Remove 3 Retaining ring...

Page 25: ...Nut spinner handle 4 Bit adapter assembly 5 and Socket bit 13 6 remove 10 Crank 2 and Spur gear 44 9 by turning Shaft 7 counterclockwise 8 17 Remove 13 Shaft 7 Flat washer 22 11 from Crank case 12 18...

Page 26: ...2 with Vice 1 and 1R041 setting 1R219 to 15 18 N m using 1R220 1R222 Bit adapter assembly 4 and Socket bit 13 5 tighten Shaft 6 by turning it clockwise 7 Fig 51 3 Do not get Spring pin 2 5 9 2 that i...

Page 27: ...4 while being careful of the engaged position see the Note below with Spur gear 44 4 of Crank side 5 tighten M4x12 Hex socket head bolt 7 1 pc Note Be sure that the arrow 9 of Spur gear 44 4 of Holde...

Page 28: ...Inserting Con rod 1 to Main piston 3 as shown 2 insert 5 Piston pin 8 4 to all the way inside Fig 55 7 Fit up 3 Rubber ring 1 to the position that seals the Cylinder s holes 2 Fig 56 8 Fit up 3 Con r...

Page 29: ...cylinder 1 Put a little bit of Loctite 272 on M4x28 Hex socket head bolts 4 4 pcs Fasten Crank case 5 to Main cylinder 1 Fig 58 10 Fasten Stem holder 1 to Top cap 3 with M4x12 Hex socket head bolts 2...

Page 30: ...set 2 as shown Fig 60 12 Aligning 5 the protrusion 2 of Head valve 1 to the groove 4 of Top cap 3 push 6 Head valve 1 Fig 61 13 Push 3 Top cap 1 to Main cylinder 2 Put a little bit of Loctite 243 on...

Page 31: ...2 on M5x12 Hex bolts 2 pcs 9 Fasten Spring bracket 7 to Top cap 5 15 Assemble Gear assembly to Crank case complete 6 2 2 6 4 Door section 6 4 1 Disassembling 1 Remove Door section 6 1 1 Fig 63 2 Inser...

Page 32: ...Door 4 Fig 65 4 Pinching 3 Headed pin 3 2 with Long nose pliers 1 remove 5 Urethane washer 4 Pull out 6 Headed pin 3 2 and remove 9 Plate 8 from Door 7 6 4 2 Assembling 1 Reverse the procedure of 6 4...

Page 33: ...as shown Supporting Latch 2 with 1R026 etc tap 4 Spring pin 3 22 3 with 1R268 4 Pushing to the other side 6 of Water pump plier 5 tap Spring pin 3 22 3 again Set the Spring pin 3 22 3 as shown The dis...

Page 34: ...to 4 the groove 3 of Latch cover 2 to Latch 1 Push into 6 the shown part 5 of Latch cover 2 and fit in the groove 7 of Latch 1 6 5 Arm section Contact top Driver guide 6 5 1 Disassembling 1 Remove Dri...

Page 35: ...SC Sales Shop 35 41 Fig 69 2 Remove 3 Driver guide 2 from Contact top 1 Fig 70 3 Remove 3 Stop ring E 3 2 using Precision driver 1 Fig 71 4 Remove Contact top 1 by turning it counterclockwise 2 1 2 3...

Page 36: ...ng M8 Hex nut 4 with Wrench 13 3 counterclockwise 5 Note Do not lose Steel ball 3 7 and Compression spring 2 8 Steel ball 3 7 Compression spring 2 8 Adjuster dial 9 Fig 73 6 Remove Urethane ring 3 4 b...

Page 37: ...6 5 1 6 6 Pusher section 6 6 1 Disassembling 1 Remove Pusher lever section from Magazine 6 1 1 Fig 75 2 Disassembled parts are as follow when 3x8 Tapping screw 1 gets removed Pusher lever 2 Pusher 3 B...

Page 38: ...OFFICIAL USE for ASC Sales Shop 38 41 7 CIRCUIT DIAGRAM Fig 76 Color index of lead wires sheath White Blue Yellow Red Orange Gray Purple Green Brown Black...

Page 39: ...AWG 24 Switch unit for trigger Brush holder unit AWG 16 AWG 16 AWG 16 AWG 16 Switch mode selection Flag receptacle without lock 187 t 0 5 Receptacle sleeve P 1 Print circuit board Crank shaft sensor A...

Page 40: ...arm in these grooves Connector A B 2 Pin 3 Pin Switch unit for Contact arm Switch unit for Trigger Housing L Put LED in Housing L so that the lead wire comes from the back side Connect Flag receptacl...

Page 41: ...n Rib Aand B Closed end splice connected to Lead wires black black Closed end splice connected to lead wires red red Put the protrusion of Closed end splice connected to lead wires red red in the spac...

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Makita DBN600, Repair Manual

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