Manual Panasonic EY7950 (page 8 of 112) (English, German, Dutch, Danish, French, Italian, Swedish, Spanish, Norwegian, Finnish)

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IV. OPERATION

[Main Body]

Switch Operation

1. The speed increases with the

amount of depression of the trigger.

When beginning work, depress the

trigger slightly to start the rotation

slowly.

2. A feedback electronic controller is

used to give a strong torque even in

low speed.

3. The brake operates when the trig-

ger is released and the motor stops

immediately.

NOTE:

• When the brake operates, a braking

sound may be heard. This is normal.

• Sparks from the motor brush may be

visible through the body vent holes

on the back of the tool during

switching and braking due to the

load imposed on the motor. This

does not indicate a problem with the

tool.

Switch and Forward/Reverse

Lever Operation

Forward Reverse

Switch lock

CAUTION:

To prevent damage, do not operate

Forward/Reverse lever until the bit

comes to a complete stop.

Forward Rotation Switch Op-

eration

1. Push the lever for forward rotation.

2. Depress the trigger switch slightly

to start the tool slowly.

3. The speed increases with the

amount of depression of the trigger

for efficient tightening of screws

and drilling. The brake operates

and the chuck stops immediately

when the trigger is released.

4. After use, set the lever to its center

position (switch lock).

Reverse Rotation Switch Op-

eration

1. Push the lever for reverse rotation.

Check the direction of rotation be-

fore use.

2. Depress the trigger switch slightly

to start the tool slowly.

3. After use, set the lever to its center

position (switch lock).

Clutch Torque Setting

Adjust the torque to one of the 18

clutch settings or "

" position

(EY7442, EY7450).

Adjust the torque to one of the 18

clutch settings or "

", " " position

(EY7950).

NOTE:

Always make sure to stop opera-

tion of the tool and disengage it

from the work, when you select

Hammering mode from Drilling

mode or when you shift to Drilling

mode from Hammering mode by

rotating clutch handle.

LOW

HIGH

CAUTION:



If the clutch handle cannot be set at

“drilling” or “hammering” mode after

drilling with clutch function, set the

clutch handle at position 1 and oper-

ate the clutch for a second.

Speed Selection

Choose a low or high speed to suit

the use.

The more the variable speed control

trigger is pulled, the higher the speed

becomes.

WARNING:

• Do not inhale any smoke emitted

from the tool or battery pack as it

may be harmful.

CAUTION:

• Check the speed selector switch

before use.

•

Use at low speed when high torque

is needed during operation. (Using

at high speed when high torque is

required may cause a motor

breakdown.)

•

Do not use the tool in a manner

that causes the motor to lock up.

Doing so may damage the tool and

battery pack, resulting in smoke or

fire.

•

Do not operate the speed selector

switch (LOW-HIGH) while pulling

on the speed control trigger. This

can cause the rechargeable battery

to wear quickly or damage the in-

ternal mechanism of the motor.

* See specifications for "MAXIMUM

RECOMMENDED CAPACITIES".

CAUTION:

• To prevent excessive temperature in-

crease of the tool surface, do not op-

erate the tool continuously using two

or more battery packs. The tool needs

cool-off time before switching to an-

other pack.

• Do not close up vent holes on the

sides of the body during operation.

Otherwise, the machine function is

adversely affected to cause a failure.

• Do NOT strain the tool (motor). This

may cause damage to the unit.

• Use the tool in such a way as to pre-

vent the air from the body vent holes

from blowing directly onto your skin.

Otherwise, you may get burned.

Bit-locking Function

1. With the trigger switch not engaged

and a screwdriver bit locked in

place, the tool can be used as a

manual screwdriver.

(EY7442: up to 36 N·m, 367kgf-cm, 319 in-lbs)

(EY7450, 7950: up to 40 N·m, 408kgf-cm,

353 in-lbs)

There will be a little play in the

chuck, but this is not a malfunction.

2. This feature is handy for tightening

screws that require more torque

than the maximum torque of the

driver (position on the clutch), for

confirming the tightness of a screw

or to loosen an extremely tight

screw.

Control Panel

(1)

(3)

(2)

Set the clutch setting at this mark ( )

before actual operation.

EY7442_7450_7950(EU).indb 8 2011-3-1 11:33:57

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Panasonic EY7950 Manual

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