Makita HR4501C Technical Information page 13

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -5. Crank Cap Section
ASSEMBLY
5) After assembling Spring guide, mount Crank cap section. (Fig. 38: HR4511C only)
5A) Assemble Control plate by fitting its elliptic Loop portion with the protrusion of Crank lever.
Then mount Crank cap cover. (Fig. 38A: HR4501C and HR4510C only)
Fig. 38: HR4511C only
Change Lever
set in Rotation with hammering mode
Indication mark of
Rotation with hammering mode
Crank cap
Assemble Spring guide
at first.
[3] -6. Crank section, Cylinder, Piston
DISASSEMBLY
1) Disassemble the Tool holder section in the order of Figs. 13 to 18. And disassemble Crank cap section as illustrated in
Fig. 27.
2) Disassemble the parts in Crank housing complete before removing Cylinder as illustrated in Figs. 39.
Fig. 39
Crank housing Complete
Spring guide
Link plate Guide
Link plate
Remove Link plate
guide and Link plate.
Fig. 38A: HR4501C and HR4510C only
Change Lever
set in Rotation with hammering mode
Fig. 38B: HR4501C and HR4510C only
Note: Face the UP mark to Crank cap cover side
when assembling Control plate to Crank lever.
Crank lever
Ring 38 Ring spring 36
End of Cylinder 34
P 13/ 23
Crank cap cover
Indication mark of Rotation
with hammering mode
Control Plate
Assemble Control plate at first.
Refer to Fig. 38B.
Crank cap cover
Control plate
UP mark
Remove Ring spring 36
from the end of Cylinder 34
with small slotted
screwdriver.