Makita HR2230 Technical Information page 6

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Tool Holder Section
ASSEMBLY for HR2470T, HR2470FT
4) Attach Steel ball 5.0 between the ends of Leaf spring, and mount them to the groove
between Change lever and Tool holder. (Fig. 8)
5) Mount Flat washer 24 on Leaf spring, and secure them with Ring spring 21. (Fig. 8)
6) As for the assembling of Cap 35 side, do the reverse of disassembling steps.
Refer to Fig. 4.
[3] -2. Drill Chuck Assembly (
DISASSEMBLY
Drill chuck assembly can be disassembled as illustrated in Figs. 9 to 13.
Fig. 9
1R003
1R212
Ring
spring 21
After Removing Ring spring 21, strike Drill chuck assembly against
workbench which is covered with cloth as a cushion.
Flat washer 24, Leaf spring and Steel ball 5.0 can be removed.
Fig. 11
Spacer
Steel
Ball 6: 2 pcs.
Chuck
holder
Remove Spacer and
Steel balls 6.
for HR2470T, HR2470 FT)
Steel ball 5.0
Leaf spring
Flat washer 24
Fig. 12
Flat head
screw M6x22
Holding Chuck holder's Flat portion
in vise, remove M6x22 Flat head screw
by turning clockwise using Impact
driver..
Fig. 8
Fig. 10
Torsion
spring 31
Change ring
Pull off Change cover.
Change ring and Torsion spring 31
can be removed.
Fig. 13
Hex wrench 10
Chuck
holder
Holding Chuck holder's flat portion
with vise, separate Drill chuck from
chuck holder by turning counterclock-
wise using Hex wrench 10.
P 6 / 20
Ring spring 21
Flat washer 24
Leaf spring
Steel ball 5.0
Tool holder
Spacer
Chuck holder
Change cover
Chuck
holder