Makita HM0821, HM0811, HM810B service manual Model HM0810T

Service Manual for Tool Holders of Models HM0810/ HM0810B/ HM0810T

When re-securing Tool Holder in repairing, always take the steps of procedure as described below.

1)How to Remove Tool Holder

(a)Hold the machine tightly with a vise as in Fig.(1).

(b)Insert a hex.wrench (size: 17mm between the opposite sides) into the hex. socket of Tool Holder, and loosen it with a pipe of one meter long.

(Notes)

1.When the hex. socket of Tool Holder is broken, use a pipe wrench to grip Tool Holder directly and to loosen it.

2.When Tool Holder cannot be loosened, heat it with a gasburner .

In case of damaging O Ring 38 and/or X Ring at the time, sure to replace them with new ones.

(Motor side of machine)

Copper Plates

pipe of

(Part No.1R041)

1m long

loosened

Vise

	17mm
appropriate wood	Hex.Wrench
	(17mm between
to stabilize the machine
	the opposite sides)

Fig.(1)

(Illustrated is Model HM0810T.)

2)How to Fasten Tool Holder on Barrel Complete

(a)As illustrated in the former page, set Flat Washer 43 (Part No.267203-1) in place and apply adhesive on the three spots on the thread of Tool Holder.

And then, secure Tool Holder by taking the reverse steps of procedure of Removing as described above.

(Notes)

1.Replace Flat washer 43 with new one in every repairing because the washer is pressed and deformed every time Tool Holder is secured.

2.Although the recommendable adhesive is Three Bond 1342 (Part No.045017-6A), you may also use any type of adhesive that is available for oily surface.

(b)Fasten Tool Holder on Barrel Complete with torque of 250Nm or over - that is, as in Fig.(2), give weight of 25kg

or over to the end of one meter pipe after securing Tool Holder till the pipe comes to the horizontal position.

25kg or over

1m

Fig.(2)

(c)How to Adjust the Position of Tool Holer; HM0810 - to see Fig.(3);

Secure Tool Holder till the side plate of Tool Retainer comes parallel with the side of square foot of Barrel Complete.

HM0810B - to see Fig.(4);

Secure Tool Holder till the end side of Bolt-type of Tool Retainer comes parallel with the side of square foot of Barrel Complete.

HM0810T - to see Fig.(5);

Secure Tool Holder till two opposite sides of the hex. socket of Tool Holder comes parallel with the two sides of square foot of Barrel Complete as in the right illustration of Fig.(5).

At this time, Tool Holder should be secured till "Z" comes to "A" as in the left illustration of Fig.(5).

However, when "Z" has already passed "A", sure to secure Tool Holder till "Y" comes to "A".

Tool Retainer

Tool Retainer

Fig.(3) HM0810		Fig.(4) HM0810B
Z	A
Y
	Fig.(5) Model HM0810T