Bedienungsanleitung Hitachi cr 24 dv (Seite 12 von 66) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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(2) Trigger switch

This tool is equipped with a variable speed controlled

trigger switch. The tool can be turned "ON" or "OFF"

by squeezing or releasing the trigger. The blade

plunger stroke rate can be adjusted from the

minimum to maximum nameplate stroke rate by

the pressure you apply to the trigger. Apply more

pressure to increase the speed and release pressure

to decrease speed.

2. Cutting metallic materials

CAUTION

⅜ Press the base firmly against the workpiece.

⅜ Never apply any unreasonable force to the saw

blade when cutting. Doing so can easily break the

blade.

⅜ The motor can be locked sometimes, depending on

the combination of the material to be cut and the

blade. Whenever the motor gets locked, switch it

off immediately.

(1) Fasten a workpiece firmly before operation. (Fig. 21)

(2) When cutting metallic materials, use proper machine

oil (turbine oil, etc.). When not using liquid machine

oil, apply grease over the workpiece.

CAUTION

The service life of the saw blade will be drastically

shortened if you don’t use machine oil.

3. Cutting lumber

When cutting lumber, make sure that the workpiece

is fastened firmly before beginning. (Fig. 22)

CAUTION

⅜ Never apply any unreasonable force to the saw

blade when cutting. Also remember to press the

base against the lumber firmly.

4. Sawing curved lines

We recommend that you use the BI-METAL blade

mentioned in Table 5 for the saw blade since it is

tough and hardly breaks.

CAUTION

Delay the feed speed when cutting the material into

small circular arcs. An unreasonably fast feed may

break the blade.

5. Plunge cutting

With this tool, you can perform plunge cutting on

plywood panels and thin board materials. You can

carry out pocket cutting quite easily with the saw

blade installed in reverse as illustrated in Fig. 24,

Fig. 26, and Fig. 28. Use the saw blade that is as

short and thick as possible. We recommend for this

purpose that you use BI-METAL Blade No. 132

mentioned in Table 5. Be sure to use caution during

the cutting operation and observe the following

procedures.

(1) Press the lower part (or the upper part) of the base

against the material. Pull the switch trigger while

keeping the tip of the saw blade apart from the

material. (Fig. 23, Fig. 24)

(2) Raise the handle slowly and cut in with the saw

blade little by little. (Fig. 25, Fig. 26)

(3) Hold the body firmly until the saw blade completely

cuts into the material. (Fig. 27, Fig. 28)

CAUTION

⅜ Avoid plunge cutting for metallic materials. This can

easily damage the blade.

⅜ Never pull the switch trigger while the tip of the

saw blade is pressed against the material. If you

do so, the blade can easily be damaged when it

collides with the material.

⅜ Make absolutely sure that you cut slowly while

holding the body firmly. If you apply any

unreasonable force to the saw blade during the

cutting operation, the blade can easily be damaged.

NOTE

The use of the battery EB2430HA in a cold condition

(below 0 degree Centigrade) can sometimes result

in the weakened cutting torque and reduced amount

of work. This, however, is a temporary phenomenon,

and returns to normal when the battery warms up.

SELECTION OF BLADES

To ensure maximum operating efficiency and results,

it is very important to select the appropriate blade best

suited to the type and thickness of the material to be

cut.

NOTE:

⅜ Dimensions of the workpiece mentioned in the table

represent the dimensions when the mounting

position of the base is set nearest to the body of

the Cordless Reciprocating Saw. Caution must be

exercised since dimensions of the workpiece will

become smaller if the base is mounted far away

from the body of the Cordless Reciprocating Saw.

1. Selection of HCS blades

The blade number of HCS blades in Table 4 is

engraved in the vicinity of the mounting position

of each blade. Select appropriate blades by referring

to Tables 4 and 6 below.

Table 4: HCS blades

NOTE

No. 1 – No. 96 HCS blades are sold separately as

optional accessories.

2. Selection of BI-METAL blades

The BI-METAL blade numbers in Table 5 are

described on the packages of special accessories.

Select appropriate blades by referring to Table 5

and 6 below.

Blade Thickness

No.

Uses

(mm)

No. 1 For cutting steel pipe less than

100 mm in diameter

2.5 – 6

No. 2 For cutting steel pipe less than

30 mm in diameter

2.5 – 6

No. 3 For cutting steel pipe less than

30 mm in diameter

Below 3.5

No. 4 For cutting and roughing lumber 50 – 70

No. 5 For cutting and roughing lumber Below 30

No. 8 For cutting vinyl chloride pipe less

than 100 mm in diameter

2.5 – 15

For cutting and roughing lumber Below 100

No. 9 For cutting mild steel pipe less

than 100 mm in diameter when 2.5 – 6

used with cut off guide

No. 95 For cutting stainless steel pipe

less than 100 mm in diameter

Below 2.5

No. 96 For cutting stainless steel pipe

less than 30 mm in diameter

01Eng_CR24DV_WE 11/9/07, 10:5211

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