Ring Spring 25; Retaining Ring; Leaf Spring 37; Washer 40 - Makita HR4500C Manual

R
epair
<6> Assembling chuck section
1) Assemble shoulder pin 8 to chuck ring. And then assemble leaf spring 37 to the chuck ring as illustrated in Fig. 15.
<Note> The bulge of shoulder pin 8 has to meet the hole of leaf spring 37, when assembling leaf spring
to chuck ring. See Fig. 15A.
2) Assemble compression spring 50 and washer 40. And then, fix them on tool holder with retaining ring WR-40
and ring spring 25. See Fig. 15B.

Leaf spring 37

Chuck ring

Shoulder pin 8

Fig. 15
<7> Disassembling tool holder from crank housing
1) Put a driver with slotted bit into the concave portion of seal case and slightly strike the driver as illustrated in Fig. 16.
Then, seal case can be removed from crank housing.
2) Remove retaining ring R-62 with No.1R005 "retaining ring plier for hole". And pull off tool holder
as illustrated in Fig. 16A. If it is hard to remove by pulling off with your hand, you can remove tool holder
as illustrated in Fig. 16B.
Concave portion
of seal case
Seal case
Fig. 16
The bulge has to
meet the hole of leaf
spring 37.
Fig. 15A
Retaining ring R-62
Slightly strike the
driver.

Ring spring 25

Retaining ring WR-40

Washer 40

Compression spring 50

Leaf spring 37
Fig. 15B

Tool holder

Slightly strike the edge of crank housing,
with holding the screwdriver with your hand.
Fig. 16B
P 10 / 16
Tool holder
Chuck ring
Fig. 16A