Makita TD090D specifications Repair Hammer section, Assembling F/R Change Lever

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P 4/ 6

Repair

[3]-2. Hammer section

DISASSEMBLING

1)Remove Hammer section in accordance with [3]-1. Hammer case section.

2)Press down Hammer using 1R045 and 1R346 to align the opening for Steel ball insertion with the top of cam grooving on Spindle. And then, remove Steel ball 4.8 from Spindle. (Fig. 7)

3)Hold Hammer section as illustrated in Fig. 8 and release it from 1R346 and 1R045.

Note: Do not hold 1R346 and 1R045 as illustrated in Fig. 9 when releasing Hammer section from them. Failure to follow this instruction could cause Steel balls to get out of hammer.

4) Hammer section can be disassembled as illustrated in Fig. 10. Flat washer 20 and Steel balls 3 can be removed. (Fig. 11)

Fig. 7

Fig. 8

Fig. 9

Steel ball 4.8 (2pcs.)

 

 

Spindle

 

top of cam

 

grooving

 

Hammer

 

1R045

opening for Steel ball insertion

1R346

 

Fig. 10

Spindle section

Pin 3.5

Flat washer 12

 

 

Washer 21

Compression spring 21

Hammer

Spindle

Spur gear 17

Fig. 11

Hammer

Steel ball 3 (24 pcs.)

Flat washer 20

ASSEMBLING

Take the reverse of the disassembling step.

Note: Put Steel ball 3 (24pcs.) into Hammer as illustrated in Fig. 12. Space equivalent to one Steel ball proves Hammer and Steel ball 3 (24pcs.) are normal.

Fig. 12

Hammer viewed from Spindle insertion side

Steel ball 3 (24pcs.)

Space equivalent to one Steel ball

[3]-3. Assembling F/R Change Lever

Link the notch of F/R change lever and the protrusion of Switch, then install them in Housing L. (Fig. 13)

Fig. 13

notch of F/R change lever

protrusion of Switch

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Contents Optional accessories SpecificationStandard equipment Repair Necessary Repairing ToolsLubrication DISASSEMBLY/ASSEMBLY Hammer case sectionDisassembling AssemblingRepair Hammer section Assembling F/R Change LeverCircuit diagram Repair Bit Holder Section and AnvilWiring diagram LED