Fig. 14 - Makita HR4001C Technical Information

R
epair
[3] DISASSEMBLY/ASSEMBLY
[3] -3. Crank Section
DISASSEMBLING
1) After removing the parts of the blowing mechanism (Refer to [3]-2.), remove Handle, Change lever and
Crank cap cover by unscrewing Tapping screws as illustrated in Fig. 14.

Fig. 14

HR4001C/HR4010C
Tapping screw
4x14 (2pcs)
2) See Fig. 15.
By unscrewing six M4x18 pan head screws;
HR4001C/HR4010C:
Remove the assembly of Crank cap and
Control plate.
HR4011C: Remove Crank cap.
Seal ring between Crank cap and Crank
housing complete can be removed in this step.
3) Remove Link plate together with link plate guide while pushing toward the Tool holder side. (Fig. 16)
Fig. 16
[Tool holder side]
(The image is HR4010C.)
Tapping screw 4x14
Change lever
Crank cap cover
Control plate
Handle
Tapping screw
5x25 (4pcs)
Fig.15
HR4001C/HR4010C
Crank cap
Link plate
Link plate guide
HR4011C
Tapping screw
4x14 (2pcs)
Pan head screw M4x18
(6pcs)
Control plate
P 7 /20
Tapping screw 4x14
Change lever
Crank cap cover
Compression spring 11
Handle
Tapping screw
5x25 (4pcs)
HR4011C
Pan head screw M4x18
(6pcs)
Crank cap
Link plate
Link plate guide