Hitachi DH 38MS HOW TO USE THE ROTARY HAMMER, Fig, Fig, Fig, Fig, Fig, Fig, Fig, 5.RCD, NOTE:, NOTE:, CAUTION:, CAUTION:, 1. How to drill holes (Fig. 3)

Grease or machine oil

Tool shank

Fig. 1

(2)To attach the tool (SDS max shank), insert it into the hole until it contacts the innermost end of the hole as illustrated in Fig. 2.

If you continue to turn the tool with slight pressure, you can feel a spot where there is a hitch. At that spot, pull the grip to the direction of an arrow mark and insert the tool all the way until it hits the innermost end.

Releasing the grip reverts the grip and secures the tool in place.

Front cap

Tool Part of SDS	Grip
max shank

Fig. 2

(3)Pull the tool to make sure it is locked completely.

(4)To remove the tool, fully pull the grip in the direction of the arrow and pull out the tool.

5.RCD

The use of a residual current device with a rated residual current of 30 mA or less at all times is recommended.

HOW TO USE THE ROTARY HAMMER

NOTE: Ensure that the wing bolt in the side handle is properly tightened before using the tool.

1. How to drill holes (Fig. 3)

(1)Pull the switch trigger after applying the drill bit tip to the drilling position.

(2)It is unnecessary to forcibly press the rotary hammer main body. It is sufficient to slightly press the rotary hammer to an extent that shavings are freely

discharged.

Side handle

Fig. 3

CAUTION:

Although this machine is equipped with a safety clutch, if the drill bit becomes bound in concrete or other material, the resultant stoppage of the drill bit could cause the machine body to turn in reaction. Ensure that the main handle and side handle are gripped firmly during operation.

2.How to chisel or demolish (Fig. 4)

By applying the drill bit tip to the chiseling or demolishing position, operate the rotary hammer by utilizing its empty weight.

Forcible pressing or thrusting is unnecessary.

Fig. 4

3.When drilling at “rotation + hammering”:

CAUTION:

If you switch the selector lever during motor rotation, the tool can start to rotate abruptly, resulting in unexpected accidents. Be sure to switch the selector lever when the motor is at a complete stop.

(1)Switching to “rotation + hammering”

(a)Push the button, release lock and turn the selector lever clockwise.

(b)Align ▲ of the selector lever and of the lever holder as illustrated in Fig. 5.

(c)Release the button to lock the selector lever.

Lever holder

Button

Selector lever

Fig. 5

NOTE:

Turn the selector lever (do not push the button) to check if it is completely locked and make sure that it does not turn.

5