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(11) Assembling torque limiter section

1. Assemble ball bearing 1207, flat washer 12
   (24mm in outer diameter) and torque limiter
   complete to straight bevel gear 10. (see Fig.24)
   < Note >
   Be careful not to lose pin 4 for lock of 
   circular nut M25-35.

2. Assemble 2 change keys into the groove 
    on the shaft of straight bevel gear 10.
    Set flat washer 12 (24mm in outer diameter) 
    and retaining ring S12 on the above assembled
    change keys.
    And then assemble flat washer 12 (28mm in
    outer diameter) adjusting it in the concaves
    of change keys. (see Fig.24)

3. Assemble retaining ring S12 into the groove
    on the shaft of straight bevel gear 10 sliding 
    down 2 change keys. And make sure, whether
    the retaining ring S12 is assembled in the groove
    firmly. (see Fig.24 and 25)
     < Note >
     Be careful not to expand the retaining ring 12
     too wide.

4. Assemble slide plate, compression spring 3
    and guide pin 2 on change link. (see Fig.26)

5. Assemble flat washer 12 (28mm in outer
    diameter) into the groove of change link
    and install the assembled torque limiter
    section in the ball bearing 608 which is 
    installed in the gear housing. (see Fig.26)

Concave of 
change key

Change key

Flat washer 12
(28mm in diameter)

Retaining ring S12

Flat washer 12
(24mm in diameter)

Concave for
retaining ring 

Ball bearing 1207

Straight bevel gear 10

Fig. 24

Pin 4
Circular nut M25-35

Fig. 25

Slide plate

Compression 
spring 3

Guide pin 2

Change link

Flat washer 12
(28mm in diameter)

Groove of 
change link

Summary of Contents for HR4040C

Page 1: ...t and overcomes competitors models Its brief benefits are Less operator s fatigue than competitors Less vibration and reaction toward hands Better feeling at drilling and hammering Quick change of ham...

Page 2: ...um hammering speed can be selected in accordance with materials or tools Setting at low speed ideal for such a light chipping works as scraping tiles removing bricks joint New Torque Limiting System T...

Page 3: ...4 A 230 450 180 360 120 320 1 250 2 500 1 600 3 200 1 100 2 850 230 450 1 250 2 500 6 7 J 4 9ft lbs 6 7 J 4 9ft lbs 6 7 J 4 9ft lbs 6 7 J 4 9ft lbs 5 1 J 3 8ft lbs 6 3 J 4 6ft lbs 5 7 J 4 2ft lbs __ Y...

Page 4: ...values when setting MAKITA HR4040C s data as 100 Chipped amount HR4040C HR4000C Model A 100 80 60 40 20 0 120 Operation without extension cord Operation with extension cord 100 100 95 95 110 110 HR40...

Page 5: ...position Figure 1 1 Change link is constructed to be slidden up and down Slide the change link upward with your finger See Fig 2 plastic hammer Lock button Change lever at neutral position Figure 2 S...

Page 6: ...embling disassembling The upper 2 screws Pan Head Screw M5x20 The other 4 screws Tapping Screw 5x20 4 Separate terminal black and white below from the controller see Fig 6 5 Remove pick up coil after...

Page 7: ...removed from the machine see Fig 4 Remove cuck cover by hitting its edge with plastic hammer slightly see Fig 5 2 Remove compression spring 50 after removing retaining ring S 50 And then remove crank...

Page 8: ...spare parts on tool holder in the order illustrated as per Fig 11 Remark The concave of leaf spring 39 has to come to that of the chuck ring when they are assembled see Fig 12 Tool holder Ring spring...

Page 9: ...ach other The concave with triangle mark inside of sleeve 46 The convex of the tool holder cap 4 5 Make sure whether the installed hammer bit can be locked firmly or not 6 Make sure whether the instal...

Page 10: ...alling fluoride ring 20 on impact bolt the ring comes stretched and its edge come protruding from the groove see Fig 19 2 In order to correct the deformation insert impact bolt with the fluoride ring...

Page 11: ...ht bevel gear 33 see Fig 22 Adjust the cams of lock sleeve A to the same of tool holder see Fig 23 Press tool holder into crank housing after the following process Face the flat part of lock sleeve A...

Page 12: ...0 sliding down 2 change keys And make sure whether the retaining ring S12 is assembled in the groove firmly see Fig 24 and 25 Note Be careful not to expand the retaining ring 12 too wide 4 Assemble sl...

Page 13: ...nner face of rod s hole 6 Outer face of impact bolt and tool holder side and crank housing side of rubber ring 19 7 Where the stem of straight bevel gear 10 is contact with torque limiter complete 8 L...

Page 14: ...Circuit Diagram 3 4 5 2 Switch Power supply cord Controller Brush holder Brush holder Support complete Black White Violet Black White Orange Orange Violet Red...

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