Makita DCS550, Technical Information

P 7 /13

R

epair

1R278

1R356

(2 pcs)

Helical gear 15

Helical gear 15

Helical gear 35

Helical gear 35

Ball bearing 6900ZZ

Ball bearing

6900ZZ

Gear shaft

Tapping screw 4x18 (8 pcs)

Handle L

1) Remove Handle L from Handle R by unscrewing eight 4x18 Tapping screws.   Remove the assembly of Gear housing
    and Motor section from Handle R by unscrewing three 4x35 Tapping screws. (Fig. 16)

2) Remove Gear unit from Handle R. (Fig. 17)
3) Remove Ball bearing 604ZZ from Gear unit by following the steps below:
    1. Move Ball bearing 604ZZ so as to provide a space between Helical gear 35 and
        Ball bearing 604ZZ for inserting 1R356. (Fig. 18)
    2. Insert 1R356 (2 pcs) into the space provided in the previous step.
        Apply 1R278 to the end face of Gear shaft.  By pressing 1R278 using arbor press,
        Ball bearing 604ZZ can be removed from Gear unit. (Fig. 19)
4) Set Gear unit on 1R037 with the side of Helical gear 15 up.  Apply 1R281 to the
    end face of Gear shaft.  By pressing 1R281 using arbor press, Gear shaft can be
    removed form Gear unit. (Fig. 20)

Handle R

1R281

1R037

Handle R, viewed from

Motor section side

Gear unit

Tapping screw 4x35 (3 pcs)

Gear housing

Motor section

Fig. 16

Fig. 17

Fig. 18

Fig. 19

Fig. 20

Ball bearing 604ZZ

Ball bearing 604ZZ

[3] DISASSEMBLY/ASSEMBLY
[3] -3. Gear Unit (that engages with Armature)

1R269

DISASSEMBLING