Safety rules for power tools, Switches, Motor – Black & Decker Scrugun 402 User Manual

Page 2: Commutator and brushes, Grounding, Cable

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SAFETY RULES

FOR POWER TOOLS

1.

KNOW

YOUR

POWER

TOOL—

Read

owner’s

manual

carefully. Learn its applications and limitations as well
as the specific potential hazards peculiar to this tool.

2.

GROUND ALL TOOLS—UNLESS DOUBLE-INSUUTED.

If tool is equipped wth three-prong plug, it should be

plugged into a three-hole electrical receptacle. If adapter
is used to accommodate two-pronged receptacle, the

adapter wire must be attached to a

known ground. Never

remove third prong.

3. KEEP GUARDS IN PLACE and in working order.

4.

KEEP WORK AREA CLEAN.

Cluttered areas and benches

invite accidents.

5.

AVOID DANGEROUS ENVIRONMENT.

Don't use power

tool In damp or wet locations. And keep work area well lit.

6.

KEEP CHILDREN AWAY.

All visitors should be kept safe

distance from work area.

7.

STORE IDLE TOOLS.

When not in use, tools should be

stored in dry, high or locked-up place—out of reach of

children.

8.

DON'T FORCE TOOL.

It will do the job better and safer

at the rate for which it was designed.

9.

USE RIGHT TOOL.

Don't force small tool or attachment

to do the job of a heavy duty tool.

10.

WEAR PROPER APPAREL.

No loose clothing or jewelry to

get caught In moving parts. Rubber gloves and footwear
are recommended when working outdoors.

11.

USE SAFETY GLASSES

with most tools. Also face or

dust mask if cutting operation is dusty.

12.

DON'T ABUSE CORD.

Never carry tool by cord or yank H

to disconnect from receptacle. Keep cord from heat, oil

and sharp edges.

13.

SECURE WORK.

Use clamps or a vise to hold work, ft's

safer than using your hand and it frees both hands to

operate tool.

14.

DON'T OVERREACH.

Keep proper footing and balance

at all times.

15.

MAINTAIN TOOLS WITH CARE.

Keep tools sharp at all

times, and clean for best and safest performance. Follow

Instructions for lubricating and changing accessories.

16.

DISCONNECT TOOLS.

When not in use, before servicing;

when changing accessories such as blades, bits, cutters,
etc.

17.

REMOVE

ADJUSTING

KEYS

AND

WRENCHES.

Form

habit of checking to see that keys and adjusting wrenches
are removed from tool before turning it on.

18.

AVOID ACCIDENTAL STARTING:

Don't carry plugged-in

tool with finger on switch.

SWITCHES

Pulling the Trigger Switch turns the tool "ON"; releasing the

trigger turns the tool "OFF" To lock switch "ON", depress

trigger, hold In locking button, and release trigger. Release but­
ton and tool will stay "ON". To then turn tool "OFF", depress

and release trigger.

The reversing switch is mounted on the top of the tool and for
driving fasteners is placed in the forward position. To reverse
rotation for fastener removal, first release trigger to turn tool
"OFF", then move toggle switch back to reverse tool.

For maximum tool life avoid excessive reverse operation. For

those operations where the tool is used primarily in reverse, see
your Black and Decker Distributor or Black and Decker Service
Center.

MOTOR

Your Black and Decker tool is powered by a B&D built motor.
Be sure your power supply agrees with nameplate marking.
Volts AC means Alternating Current (25 to 60 cycles) ONLY.
VOLTS AC/DC means it will also operate on Direct Current.
Voltage variation of more than 10% will cause loss of power
and over-heating. All B&D tools are factory-tested; if this tool

does not operate, check the following: Supply line for blown
fuses; plug and receptacle for contact; carbon brushes for
contact.

COMMUTATOR AND BRUSHES

Inspect carbon brushes often. Replace when brushes are worn

down to the identifying letter or groove or when spring exerts
insufficient pressure to hold brush against commutator. Keep
brushes clean and sliding freely in guides. Inspect commutator
for dirt and exessive wear. If dirty or rough, clean lightly with

very fine sandpaper (not emery cloth). If badly worn or
grooved, send tool to our nearest service station for repair

(see back page).

GROUNDING

These units are equipped with approved 3-conductor cord and
3-prong grounding type attachment plug to be used with the
proper grounding type receptacle, in accordance with the
National Electrical Code and Canadian Electrical Code.

IF YOUR UNIT REQUIRES LESS THAN 150 VOLTS IT HAS A
PLUG THAT LOOKS LIKE FIG. "A". It will fit directly into the

proper type of 3-wire grounding receptacle. The unit is then

grounded automatically each time it Is plugged in.

Shown in Fig. "B" is a special grounding adaptor (not allowed
in Canada by the Canadian Electrical Code) which is available

from your dealer and will permit using a 2-wire receptacle.

The green grounding wire extending from the side of the
adapter must be connected to a PERMANENT GROUND.

IF THE UNIT REQUIRES FROM 150 TO 250 VOLTS, IT HAS A

PLUG LIKE FIGURE "C". No adapter is available and it should
be used in the proper standard matching 3-wire grounding
receptacle.

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CABLE

The cable is the "life line" of your tool—keep it clean by

wiping it off occasionally. Keep it out of oils and greases which

ruin the rubber. Coil it neatly when not in use and avoid

dragging it across sharp surfaces or using it as a handle to lift

the tool. When using the tool at a considerable distance from

power source, an extension cable of adequate size must be

used to prevent loss of power and over-heating. Use the table
below for 115-volt tools. For 220-volt tools, use wire size corres­
ponding to an extension length of V

2 the contemplated length.

Ampere rating

0 to

2.10 to

3.5 to

5.10 to

7.10 to

12.1 to

(on nameplate)

2.0

3.4

5.0

7.0

12.0

16.0

Ext. Cable length

Wire Size (A.W.G.)

25 ft.

18

18

18

18

16

14

50 ft.

18

18

18

16

14

12

75 ft.

18

18

16

14

12

10

100 ft.

18

16

14

12

10

150 ft.

16

14

12

12

.—

,—.

200 ft.

16

14

______

10

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