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. 
pipe of
1m long
loosened
appropriate wood
to stabilize the machine
Vise
Hex.Wrench
(17mm between
 the opposite sides)
17mm
Copper Plates
(Part No.1R041)
(Motor side
 of machine)
Fig.(1)
(Illustrated is 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.
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.
 
 (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".
25kg or over
1m
Fig.(2)
Fig.(5) Model HM0810T
Fig.(3) HM0810 Fig.(4) HM0810B
Tool Retainer
Tool Retainer
A
Y
Z