Makita HR2230 Technical Information page 4

R
epair for 2 mode Rotary hammers HR2230, HR2460 and HR2460F
[3] DISASSEMBLY/ASSEMBLY
[3] -1. Chuck Section
ASSEMBLING
Do the reverse of the disassembling steps.
Note: Conical compression spring 21-29 and Ring spring 19 are not reversible when assembled to Tool holder complete.
Be sure to assemble them as drawn in Fig. 8.
Fig . 8
Conical
compression
spring 21-29
Conical compression
spring 21-29
Ring spring 19
Ring spring 19
Tool holder complete
[3] -2. Change Lever
DISASSEMBLING
(1) Remove dust and dirt from Change lever and the grooved area on
the Motor housing circled in Fig. 9.
(2) Set Change lever to hammer drill mode while pushing Lock button. (Fig. 10)
(3) Push Lock button further into the inner bottom of Change lever (Fig. 11 left)
and turn Change lever to the left further than hammer drill mode position.
(Fig. 11 right)
(4) Lift up the hinge position of Change lever (Fig. 12).
Now, Change lever is removed.
Fig. 10
Push Lock button and turn Change lever
to Hammer drill mode.
Be careful to the difference in height of
Lock button between step (2) and (3).
Fig. 12
Lock button in Change lever is returned
to the original position when
the hinge portion is lifted.
Hinge portion of Change lever
Correct
Tool holder complete
flat portion
flat portion
Fig. 11
Turn Change lever to the left further than hammer drill
mode position while pushing Lock button deeper than
Surface
level
Wrong
Fig. 9
Clean this portion thoroughly.
Motor housing
the surface level of Change lever.
Turn Change lever fully
until the elastomer of
Motor housing is deformed
slightly.
P 4/ 15
Lock
button
Change lever