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R

epair

P 6 / 9 

( 7 ) Mount safety cover.  Connect tension spring 5 with blade case and safety cover.  Secure safety cover with
       retaining ring S-45.  See Fig. 18.

( 1 ) Unscrew 5 pcs. of tapping screw 4x18. Remove handle cover from motor housing. Now the electrical parts can
        be replaced.  See Fig. 19. When mounting the electrical parts, put them as illustrated in Fig. 20.

Fig. 18

Fig. 18R

Fig. 18F

Tension 
spring 5

Tension 
spring 5

Safety cover

Safety cover

Retaining 
ring S-45

Blade case

Hitch blade case with the hook 
of taper formed side.

Hitch safety cover with the hook 
as illustrated in Fig. 18R.

Tension 
spring 5

Safety cover

< 4 > Replacing electrical parts in handle

Fig. 19

Tapping 
screw 4x18
(5 pcs.)

Handle
cover

Lock ON button

Switch

(Lock OFF button)

Compression spring 5

Summary of Contents for N5900B

Page 1: ...380 15 255 10 165 6 1 2 287 11 1 4 192 7 9 16 L H 1 H 2 W 1 W 2 Continuous Rating W Voltage V Cycle Hz Input Output Max Output W 120 110 950 950 1 650 1 650 2 300 2 300 2 600 2 600 2 600 4 100 235 9 1...

Page 2: ...drical portion where safety cover moves Safety cover Gear section 8 8 20 0 71 0 5 0 02 Fig 1 2 Disassembling gear section First of all detach the saw blade for your safety repair 1 Remove retaining ri...

Page 3: ...removed gear section on the turn base of arbor press And put No 1R286 Round bar for arbor on the spindle See Fig 5 And press the round bar for arbor with arbor press See Fig 6 5 The helical gear 39 an...

Page 4: ...ner 23 36 by turning it with adjustable bearing retainer wrench clockwise See Fig 13 7 Remove ball bearing 6202DDW from bearing retrainer 23 36 by pressing it as illustrated in Fig 11 3 Assembling gea...

Page 5: ...ing with arbor press See Fig 15 5 Mount ball bearing 6000DDW See Fig 16 The gear section has been completed in this step 6 Mount the gear section to blade case See Fig 17 Fig 14 Fig 15 Fig 16 Fig 17 S...

Page 6: ...g 19 When mounting the electrical parts put them as illustrated in Fig 20 Fig 18 Fig 18R Fig 18F Tension spring 5 Tension spring 5 Safety cover Safety cover Retaining ring S 45 Blade case Hitch blade...

Page 7: ...screwdriver as illustrated in Fig A is used the power supply cord can be removed without separating the blade case section 2 Remove strain relief by unscrewing 2 pcs of tapping screw 4x18 See Fig 21 3...

Page 8: ...e case The rear side of motor section has been disconnected from base in this step See Fig 24 4 Unscrew hex nut M6 10 and remove pan head screw M6 See Fig 25 The motor section has been disconnected fr...

Page 9: ...has to be held with lead holder Circuit diagram Wiring diagram P 9 9 Color index of lead wires sheath Black 5 2 4 3 Switch Noise suppressor Power supply cord Field Noise suppressor is not used in som...

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