Makita HR4501C Technical Information page 19

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[3] DISASSEMBLY/ASSEMBLY
[3] -10. Handle Section (HR4511C: with Vibration absorbing handle)
DISASSEMBLY
1) Vibration absorbing handle consists of the following main parts.
* Handle base
* Compression spring 11 (functions as a Vibration absorber) * Handle with Handle cover
2) Disassemble in the order from Figs. 59 to Fig. 61 when replacing the electrical parts in Handle section.
Fig. 59
Crank cap cover
Spring guide
Compression spring 11
5x25 Tapping
screw (6 pcs.)
Separate Handle section from the machine
by unscrewing 5x25 Tapping screws.
After removing Crank cap cover, Spring
guide with Compression spring 11 can be
removed from Crank housing complete.
ASSEMBLY
Do the reverse step of Disassembly. Refer to Figs. 60 to 58.
Refer to Fig. 62 when assembling Dust cover and Dust cover support to Handle.
Fig. 62
5x40 Tapping
screw (2 pcs.)
Handle base
Fig. 60
5x25 Tapping screw
Remove another two
5x25 Tapping screws
to disassemble Handle
in the next step.
Upper side
Flat washer 5
Dust cover
Lower side
* Dust cover and Dust cover support
Fig. 61
5x40 Tapping screw (2 pcs.)
Handle base
Dust cover support
Shoulder
sleeve 19
Remove 5x40 Tapping screws.
The several parts are separated from
Handle base as illlutrated above.
Handle cover can be removed
as the left Illustration in Fig. 46.
Dust cover support
Facing Triangle mark to the
upper side, insert Dust cover
support into Dust cover.
Facing the bow portion of Dust cover
to the upper side of the machine,
assemble Dust cover to Handle.
Handle
P 19/ 23
Flat washer 5 Handle cover
Dust cover
Handle