Makita HM1213C Technical Information

Repair
[3] ASSEMBLY/ DISASSEMBLY
[3]-4. Crank section
DISASSEMBLING
Gear housing
complete
Armature
Set Crank pin at dead point on Handle
assembling side as illustrated bellow.
1 Strike Crank housing as illustrated below. Crank shaft is
removed together with Helical gear 57 and Ball bearing 6206LLU.
2 Piston can be removed together with Connecting rod.
Crank cap cover
Crank cap
Seal ring
M4x18 Pan head screw (4pcs.)
Disassemble Gear housing complete
with Armature from Crank housing.
Disassemble Crank cap cover, Crank
cap, Seal ring by unscrewing four
M4x18 Pan head screws.
Fig. 21
Fig. 22
Air pipe
Remove Air pipe
(only for HM1213C).
Filter can be removed
from Crank cap.
Crank cap
Filter
Fig. 23
Connecting rod
Crank pin at dead center point
of Connecting rod
1
2
Crank shaft
Ball bearing 6206LLU
Helical gear 57
Connecting rod
Piston
Flat washer 12
O ring 31.5O ring 35
Replace O ring 35 and O ring 31.5 with the new ones in the following cases.
* When damage or wear is recognized.
* When carbon brush is replaced.
Piston
(6) Disassemble Crank section as illustrated in Figs. 21, 22 and 23.
P 10/ 17

Makita HM1213C Specifications

General

Input power	1500 W
Impact energy (max)	18.6 J
Vibration level (chiseling)	7 m/s²
Toolholder	18 mm
Impact rate	1900 bpm
Product color	Black, Blue

Weight and Dimensions

Depth	149 mm
Width	576 mm
Height	265 mm
Weight	10800 g