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R

epair

[3] DISASSEMBLY/ASSEMBLY

[3] -2. Armature

ASSEMBLING

DISASSEMBLING

(5) Separate Armature from Bracket complete, and remove Ball bearings as shown in 

Fig. 7

Bracket complete

Bracket complete

Ball bearing 

606ZZ

Ball bearing 

606ZZ

Insulation washer

Insulation washer

1R045

Claw

Armature

Armature

Insulation 

washer

1. Firmly gripping Bracket complete with 1R045, separate Armature from Bracket complete.

Drum

V pulley 4-20L

Fig. 7

Fig. 8

2. The gap between Insulation washer and 

    Ball bearing 606ZZ is too tight to engage 

    claw of 1R269. So, fixing claw of 1R269 

    with Water pump pliers firmly, 

    remove Ball bearing 606ZZ. 

Ball bearing 606ZZ

Water pump pliers

1R269

Claw

Ball bearing 6000ZZ

Assembling can be made by taking reverse step of Disassembling.   Refer to 

Fig. 7

,

 Fig. 6

,

 Fig. 5

,

 Fig. 4.

                   

3. Remove Ball bearing 6000ZZ with 1R269.

Turn counter 

clockwise

 for 

tightening

.

12

3

6

9

V pulley 4-20L

Bracket complete

< Note >

Enough to tighten V pulley 4-20L 

to proper level in this step.

V pulley 4-20L is tightened 

automatically to firm level

by rotation of Armature. 

Armature

Pay attention to 

Fig. 8

, when assembling V pulley 4-20L.

Grip Drum with groved hand, 

to protect hand against injury.

Summary of Contents for M1901B

Page 1: ...M1901B REPAIR MANUAL Power Planer OFFICIAL USE For ASC...

Page 2: ...rtion Main frame complete Amount Symbol of lubricant Portion to lubricate Apply lubricant VG100 to the parts designated with black triangle CAUTION Repair the machine in accordance with Instruction ma...

Page 3: ...ame of the Poly V belt with the groove of V pulley 4 37 large one 2 Turn V pulley 4 37 large one while pressing the V belt toward Bracket complete until all V shaped ribs of Poly V belt 4 241 with the...

Page 4: ...Pan head screw Carbon brush Brush holder cap Brush holder cap Bracket Double ended philips bit Bracket 4x18 Tapping screw 1 Unscrew six 4x18 Tapping screws with which Bracket complete is secured to M...

Page 5: ...aring 606ZZ is too tight to engage claw of 1R269 So fixing claw of 1R269 with Water pump pliers firmly remove Ball bearing 606ZZ Ball bearing 606ZZ Water pump pliers 1R269 Claw Ball bearing 6000ZZ Ass...

Page 6: ...tect hand against injury Turn counter clockwise for removing 1 Make the tip of claw shape because of too tight space between Ball bearing 608ZZ and Drum to engage the claws 12 3 6 9 Bit adapter assemb...

Page 7: ...000ZZ to the same of V pulley 4 37 side Refer to Fig 10 2 Mount Drum to Bracket And tighten V pulley 4 37 with Bit adapter Refer to Fig 9 V pulley 4 37 Bracket complete Note Enough to tighten V pulley...

Page 8: ...d Torsion spring 7 Knob 44 Knob 44 Flat washer 10 1 Remove Knob 44 as shown below 2 Front base can be separated from Main frame complete 3 Remove Scale label from Knob 44 because the numbers on Scale...

Page 9: ...been adjusted to Planning depth at 0 2 Stick Scale label on the Knob 44 while aligning 0 to the Triangle mark on the main fame Triangle mark fresh Scale label 2a If the removed Knob 44 is reused witho...

Page 10: ...erican Wire Gage Item No 2 2 1 1 Circuit of inside of Switch Symbol of electrical parts Note Noise suppressor is not used for some countries Viewing from Fan side AWG18 AWG18 Noise suppressor Power su...

Page 11: ...Insulated terminal of Switch that Noise suppressor does not interferes with setting of Switch when Noise suppressor is used Noise suppressor Switch Insulated terminals Field Pass Field lead wires thr...

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