Bedienungsanleitung Hitachi DH50SA1 (Seite 8 von 50) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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(2) Pull the switch trigger after applying the drill bit

tip to the drilling position.

(3) It is unnecessary to forcibly press the rotary hammer

main body. It is sufficient to slightly press the rotary

hammer to an extent that chips are freely discharged.

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 the bar type handle

are gripped firmly during operation.

⅜ Syringe (for chip removal):

⅜ Hammer grease A:

500 g (in a can)

30 g (in a green tube)

Optional accessories are subject to change without notice.

APPLICATIONS

⅜ Drilling holes in concrete

⅜ Drilling anchor holes

⅜ Crushing concrete, chipping, digging, and squaring

(by applying optional accessories)

PRIOR TO OPERATION

1. Power source

Ensure that the power source to be utilized conforms

to the power requirements specified on the product

nameplate.

2. Power switch

Ensure that the power switch is in the OFF position.

If the plug is connected to a receptacle while the

power switch is in the ON position, the power tool

will start operating immediately, which could cause

a serious accident.

3. Extension cord

When the work area is removed from the power

source, use an extension cord of sufficient thickness

and rated capacity. The extension cord should be

kept as short as practicable.

4. How to install dust cover (Fig. 1)

Always install the dust cover in the drill bit or the

taper shank adapter.

Insert the dust cover until it lies flush in the groove.

NOTE

For a thick drill bit, insert the dust cover from drill

rear.

5. How to install tool

NOTE

For tools such as a bull point and a cold chisel,

use only HITACHI genuine parts.

(1) Clean, the smear the tool shank with the grease

provided in the orange tube.

(2) Slide the tool holder in the direction of arrow A

and rotate it 180˚.

Turn the notch of the tool shank downward and

insert it fully into the hexagonal hole of the front

cover. (Fig. 2)

(3) Turn the tool holder and align the front cover mark

with the tool holder mark to secure.

NOTE

Remove in the reverse order of installation.

HOW TO USE THE ROTARY HAMMER

1. How to drill holes (Fig. 3)

(1) Use the side handle or the Bar type handle.

Do not use D type handle during drilling operation,

since it may not be enough to hold the body firmly.

2. How to chip or crush (Fig. 4)

(1) Use the Side handle or the D type handle.

(2) By applying the Bull point tip to the chipping or

crushing position, operate the rotary hammer by

utilizing its own weight. Forcible pressing or thrusting

is unnecessary.

3. How to use stopper (Fig. 5)

Install the stopper

(1) Loosen the side handle and insert the straight portion

of the stopper into the handle bolt hole from the

front cover.

(2) Loosen the side handle, move the stopper to the

specified position and rotate the side handle

clockwise to fix the stopper.

4. When K-Taper shank adapter is used (Fig. 6)

(1) Install drill bit with taper shank in the K-Taper shank

adapter.

(2) Turn the power on and drill a base hole to the depth

sounded by the indicating groove on the drill bit.

(3) After cleaning out dust with the syringe, attach the

plug to the anchor tip and drive in the anchor with

a hand hammer.

(4) To remove the drill bit with taper shank, insert a

cotter into the slot of the K-Taper shank adapter,

place supports under the drill and tap the cotter

with a hand hammer. (Fig. 7)

HOW TO HANDLE A CORE BIT

When a core bit is used, large caliber holes and blind holes

can be drilled. In this case, use optional accerssories for

core bits (such as a center pin and core bit shank) for a

more rational operation.

1. Mounting

CAUTION

Prior to mounting a core bit, always disconnect the

plug from the receptacle.

(1) Mount the core bit on the core bit shank. (Fig. 8)

Before that, feed oil to the screw portion of core

bit shank for easily dismount.

01Eng_DH50SA1_WE 9/26/06, 7:50 PM7

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