Makita HR2021 Technical Information page 12

R
epair
< 15 > Assembling needle bearing complete
1. Apply MAKITA grease RA No.1 to the inside of needle baring complete.
2. Putting needle bearing complete on No.1R165 "Ring spring setting tool B" press gear housing onto the needle
bearing complete with arbor press as illustrated in Fig. 13.
Back side
Needle bearing
complete
No.1R165
Ring spring setting tool B
< 16 > Replacing electrical parts in handle
Disassemble handle cover by unscrewing 3 pcs. of tapping screws 4x25, and disassemble strain relief
by unscrewing 2 pcs. of tapping screws 4x18 as illustrated in Fig.14.
Then, switch, noise suppressor, power supply cord, etc. can be replaced.
Fig. 13.
Brush holder
Brush holder
Cord guard
Power supply cord
Strain relief
Fig. 14
< Note in assembling >
Pay attention to the assembling position of needle bearing
complete.
The fat portion of needle bearing complete has to be faced
to the belly side of gear housing.
Gear housing
Belly side
Flat portion of
needle bearing complete
Switch
Noise suppressor
Tapping screw 4x18 : 2 pcs.
P 12 / 18
Back side
Needle bearing
complete.
Belly side
Handle
cover
Tapping s
crew 4 x 25 : 3 pcs.