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3

5

 

R

epair

[2] Disassembly/ Assembly
[2]-1. Armature (cont.)

DISASSEMBLING

DISASSEMBLING

9) Remove Armature from Bearing box by striking the armature shaft end.
     When it is difficult to remove Armature in the above manner, put 
     Bearing box on U-shape base of arbor press, then press down 
     Ball bearing 6200LLB of Armature using 1R027 and arbor press.
     (

Fig. 9

)

10) Remove Ball bearing 606ZZ from the commutator-end of Armature shaft
      using 1R269 and waterpump pliers. (

Fig. 10

)

      Note: 

Be sure to firmly hold the jaws of 1R269 with waterpump pliers 

                 because the space between Insulation washer and Ball bearing 
                 606ZZ is so tight that Ball bearing 606ZZ cannot be securely 
                 held with the jaws of 1R269.

 

11) Remove Ball bearing 6200LLB from the drive-end of Armature shaft 
       using 1R269. (

Fig. 11)

       Note: 

Before attaching 1R269 to Ball bearing 6200LLB, be sure to 

                  fasten M4x10 +Countersunk head screw to the drivee-end of 
                  Armature shaft in order not to damage to the threads inside 
                  Armature shaft.    

Fig. 9

Fig. 10

Fig. 11

M4x10 +Countersunk
head screw

1R027

Ball bearing 
6200LLB of
Armature

1R269

waterpump pliers

Ball bearing 606ZZ 

Ball bearing
6200LLB 

Flat washer 10

Take the disassembling step in reverse.

Note

: Be sure to set Flat washer 10 in place before pressfitting Ball bearing 6200LLB to Armature shaft. (

Fig. 11

)

Insulation washer

Bearing box

U shape base
of arbor press

Содержание Maktec MT921

Страница 1: ... 8 x 7 1 4 Double insulation Net weight kg lbs Power supply cord m ft Abrasive paper size mm 93 x 228 3 5 8 x 9 Yes Yes 2 0 6 6 1 3 2 9 Orbits per minute min 1 opm 12 000 Strokes per minute min 1 spm 24 000 Abrasive paper 93 120 1 pc Abrasive paper 93 60 Abrasive paper 93 80 Abrasive paper 93 100 Abrasive paper 93 120 Abrasive paper 93 150 L TECHNICAL INFORMATION Model MT921 has been developed on ...

Страница 2: ... removing M4x10 countersunk head screw and Flat washer 6 that secure Fan 68 Fig 5 6 Remove Fan 68 from Armature Fig 6 7 Remove 4x18 Tapping screw 4pcs for securing Bearing box to Motor housing Fig 7 8 Remove Armature together with Bearing box from Motor housing by striking Motor housing with plastic hammer as illustrated in Fig 8 1R027 Bearing setting pipe 18 10 2 Removing Armature Removing Ball b...

Страница 3: ...er and Ball bearing 606ZZ is so tight that Ball bearing 606ZZ cannot be securely held with the jaws of 1R269 11 Remove Ball bearing 6200LLB from the drive end of Armature shaft using 1R269 Fig 11 Note Before attaching 1R269 to Ball bearing 6200LLB be sure to fasten M4x10 Countersunk head screw to the drivee end of Armature shaft in order not to damage to the threads inside Armature shaft Fig 9 Fig...

Страница 4: ... some countries Switch Brush holder A Terminal block if used Viewed from Top cover Field Noise suppressor if used Blue color is used for some countries Power supply cord Brush holder B Brush holder B Brush holder A Color index of lead wires sheath Black White Orange Purple ...

Страница 5: ...near Armature Fix Field lead wires with Lead wire holders to prevent slacks near Armature Connect Insulated terminals A and B with Brush holders A and B And set each Brush holders carefully in place so as not to put on Areas A and B illustrated left Bending the insulated terminals is allowed Field lead wire Field lead wire Noise suppressor if used Set Noise suppressor in place so that the lead wir...

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