Makita HR2022 User Manual download pdf (Page 4)

Repair

P 4 / 18

< 4 > Disassembling change lever

1. Disassemble cap from change lever by twisting the flat head screwdriver inserted between cap and change lever,

as illustrated in Fig. 2.

2. Turn the change lever fully to the direction of rotary hammer mode and pull off change lever from gear housing

as illustrated in Fig 2A.

< 5 > Assembling change lever

1. Apply grease RA No.1 (Brown) to the top of change lever's pin. See Fig. 2B.

Fig. 2

Fig. 2A

Fig. 2B

Approach first from this side.

Apply grease to the pin, before assembling.

Cap

Change lever

< Note > The neglect of the grease to the pin portion can be cause of the damage on the change lever.

during the work in "rotation only" mode.

2. Aligning change lever with the rotary hammer mode, assemble it by pressing to the assembling hole

as illustrated in the above Fig. 2A. And assemble cap by pressing to change lever.

< 6 > Disassembling armature

1. Disassemble handle cover by unscrewing tapping screw 4 x 25. And disassemble carbon brushes

as illustrated in Fig. 3.

2. Separate gear housing together with armature, from motor housing by unscrewing tapping screws 4 x 45

as illustrated in Fig. 3A.

3. Slightly hitting the edge of gear housing with plastic hammer, remove armature from inner housing assembled in

gear housing. See Fig. 3B.

4. Ball bearings of fan side and commutator side can be disassembled with No.1R269 "Bearing extractor (small)".

See Fig. 3C.

Fig. 3

Fig. 3A

Fig. 3C

Fig. 4B

Carbon brush

Handle

cover

Tapping s

crew 4 x 25 : 3 pcs.

Tapping s

crew 4 x 45 : 4 pcs.

Brush holder

Gear housing

Motor housing

Gear housing

Inner housing

Plastic hammer

No.1R269 "Bearing extractor (small)"

Ball bearing

Armature

Fig. 3B

Inner housing

Plastic hammer

1 2 3 4 5 ... 18

Comments to this Manuals

No comments

Makita HR2022 User Manual Page 4

Comments to this Manuals

Related products and manuals for Rotary hammers Makita HR2022