Makita BUH550 Technical Information page 5

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3]-2. Armature, Switch (cont.)
DISASSEMBLING
(3) Remove Armature and Ball bearings. (Fig. 7)
Fig. 7
1. Pull off Armature from
Gear housing complete.
Armature
(4) Replace switches. (Fig. 8)
Fig. 8
1. Remove Switch lever B and
Front grip.
2. Remove Knob by loosening
4x18 Tapping screw.
3. Remove nine 4x18 Tapping screws and Handle R complete.
Main switch and Handle switch can be replaced.
4. Remove eight 4x18 Tapping screws and Housing R complete.
Front handle switch can be replaced.
Handle R
complete
4x18 Tapping
screws (9 pcs.)
2. Remove Ball bearing 6000ZZ and 607ZZ with 1R269.
Ball bearing
6000ZZ
Ball bearing
607ZZ
Knob
Housing R
complete
4x18 Tapping
screws (8 pcs.)
4x18 Tapping screw
Main switch
Handle L
complete
Handle switch
Note: Lock lever is removed
together with Handle switch.
P 5/ 9
1R269
Switch lever B
Front grip
Front handle
switch
Housing L
complete