Makita HM0860C Technical Information page 3

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<4> Disassembling/Reassembling Chuck Portion

<4>-1. Disassembling Chuck Section

(1) Slide Chuck cover in the direction of Gear housing,

and remove Tool holder cap from the machine.

(Fig. 1)

(2) Remove Chuck cover from Tool holder.

(3) Remove Ring spring 25 from tool holder using Retaining ring pliers ST-2N (1R003).

And then remove Flat washer 28, Urethane ring 28 and Chuck ring from Tool holder.

(4) Remove two Tool retainers from Tool holder by pulling them out with long nose pliers etc.

while pressing Spring guide in the direction of Gear housing. (Fig. 2)

Note: Be sure to release Spring guide slowly as soon as the two Tool retainers are removed,

or Spring guide and Compression spring 52 will pop out.

Fig. 2

Ring spring 25

Flat washer 28 Urethane ring 28

<4>-2. Reassembling Chuck Section

(1) Pressing Spring guide in the direction of Gear housing, insert two Tool retainers to the oval holes

on Tool holder. (Fig. 3)

Note: 1) Be sure to insert Tool retainers.

2) As soon as Tool retainers are set in place, release Spring guide so that Tool retainers

can be set in place.

Fig. 3

Tool retainer

Tool retainer (2 pcs.)

Chuck ring

Tool holder

Spring guide

Compression spring 52

Tool retainer

(Image of inside

of the spring)

Fig. 1

Chuck cover

Spring guide

Compression spring 52

(to the machine)

P 3 /14

Tool holder cap