Makita HR2450FT, HR2450T specifications Repair

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Repair

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(6)Reassemble swash bearing section temporarily to gear housing, and hold gear housing as illustrated in Fig. 59. So, swash bearing section tilts in the direction of arrow.

Keeping the illustrated position, remove swash bearing section by striking the edge of gear housing with plastic hammer. So, ball bearing 606ZZ can be removed together with swash bearing section.

Fig. 59

(7)Swash bearing section can not be disassembled in one action by pressing cam shaft with arbor press, because retaining ring S-7 is mounted between ball bearing 606ZZ and compression spring 7.

Take the following steps for disassembling swash bearing section.

1.Remove ring 8 by pressing cam shaft with arbor press as illustrated in Fig. 60.

2.Remove ball bearing 608ZZ with bearing extractor as illustrated in Fig. 61. Then flat washer 8 and bearing retainer can be removed from cam shaft.

3.Remove helical gear 26 by pressing cam shaft with arbor press as illustrated in Fig. 62.

1R236 Round bar

 

for arbor

 

1R022 Bearing

Ring 8

extractor plate

 

Ring 8

 

Bearing retainer

Flat washer 8

Ball bearing

1R236 Round bar

for arbor

Helical

gear 26

1R023 Bearing

608ZZ

Helical gear 26

Fig. 60

extractor ring

 

 

 

Fig. 61

Fig. 62

4.Remove swash bearing 10 and clutch cam as illustrated in Fig. 63. And remove ball bearing 606ZZ with bearing extractor as illustrated in Fig. 63.

5.Disassemble retaining ring S-7 with retaining ring plier as illustrated in Fig. 64.

6.Separated compression spring 7 and spur gear 10 from cam shaft as illustrated in Fig. 65.

Swash bearing 10

Clutch cam

Ball bearing 606ZZ

Fig. 63

Retaining ring S-7

Fig. 64

Cam shaft

Spur gear 10

Compression spring 7

Fig. 65

Image 15
Contents Specification Optional accessoriesStandard equipment Makita RepairAmount Repair Repair Fastening torque for Repair Repair Repair Cover Swash bearing section Repair Ring spring 28 Note Hammer Repair Repair Repair Repair Field Circuit diagramSwitch HR2450FTWiring diagram HR2450FT HR2450T Wiring diagram HR2450T