Makita HM1317C Technical Information

P 14/ 19
Repair
[3] DISASSEMBLY/ASSEMBLY
[3]-5. Crank section, Gears
ASSEMBLING
(1) Assemble Crank shaft as illustrated in Fig. 26.
(2A) Assemble Piston to Crank shaft. and assemble Crank cap section. Refer to Fig. 21A.
(2B) Assemble Bearing box complete by taking the disassembling step in reverse. Refer to Figs. 24B,23B, 22B and 21B.
When mounting Bearing box complete to Crank housing, pay attention to Fig. 27.
Fig. 26
Fig. 27
Ball bearing
6205LLU
Assemble Ball bearing
6205LLU to Crank shaft.
Assemble the Crank shaft to
Crank housing complete with
Arbor press by passing it
through Ball bearing 6204LLB.
Assemble Ball bearing 6204LLB to Crank housing
complete with Arbor press.
Crank housing
complete
Crank shaft
Crank shaft
Crank shaft
1R031
Supporting the assembled Crank shaft with 1R252,
mount Helical gear 47 to the Crank shaft by pressing
it with Arbor press.
Helical gear 47
Ball bearing
6204LLB
Ball bearing
6204LLB
Ball bearing
6204LLB
Ball bearing
6204LLB
Note: Ball bearing 6204LLB protrudes from
the original position in Crank housing
complete slightly when pressing Crank
shaft with arbor press as illustrated above.
This protrusion is disappeared by
pressing Helical gear 47 as illustrated
left.
1R252
for supporting
Crank shaft
Note: Impossible to properly assemble Bearing box complete
to Crank housing complete without engaging Counter
shaft with Crank shaft.
Find out the engaging point that Bearing box complete
plunks down by turning Counter shaft with small wrench.
(HM1307C, HM1307CB without AVT mechanism)
(HM1317C, HM1317CB with AVT mechanism)
small wrench

Makita HM1317C Specifications

General

Input power	1510 W
Impact energy (max)	25 J
Vibration level (chiseling)	8.5 m/s²
Toolholder	30 mm
Impact rate	1450 bpm
Product color	Black, Blue

Weight and Dimensions

Depth	129 mm
Width	715 mm
Height	266 mm
Weight	17000 g