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Extension cords, Double insulated tools, Operating the tool – Bosch 1943 LED User Manual

Page 6: Air flow setting, On/off switch, Temperature displays, Save these instructions, Important, Thermo-electronic

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6

Extension Cords

• Replace damaged cords immediately. Use of
damaged cords can shock, burn or electrocute.

• If an extension cord is necessary, a cord with
adequate size conductors should be used to
prevent excessive voltage drop, loss of power
or overheating. The table below shows the
correct size to use, depending on cord length
and amperage rating on the tool’s nameplate. If
in doubt, use the next heavier gauge. Always
use U.L. and CSA listed extension cords.

Ampere Rating (shown on nameplate)

0-

2.1-

3.5-

5.1-

7.1-

12.1-

2.0

3.4

5.0

7.0

12.0

16.0

25'

18

18

18

18

16

14

50'

18

18

16

16

14

12

75'

18

18

16

14

12

10

100'

18

16

14

12

10

150'

16

14

12

12 Wire Gauge

Note: The smaller the gauge number, the larger

the wire is in the cord.

Cord Length

Air flow setting:

The air flow is set steplessly with air flow
blower speed dial 3. A lower air stage may be
required in certain cases, e.g. to avoid over-
heating the workpiece's surroundings or to
avoid displacing the workpiece if the air flow
is too strong. A higher air stage heats up the
workpiece more quickly and enables the hot air
gun to be held at a greater distance from the
workpiece.

ON/OFF switch

(Cool air stage) 8.8 CFM ª120ºF.

For cooling down a hot workpiece or for drying
paint.

(Hot air stage) 17.8 CFM ª1100ºF.

Temperature control (thermo-electronic):

The temperature can be controlled steplessly
with the setting dial 5 and switch 6 in setting II.

If the nozzle is hot or if you wish to have both
hands free when working, you can set the tool
down in an upright position on its base.

Temperature displays:

The temperature is displayed via LED 4. By
carefully controlling the air flow and tempera-
ture, very precise work can be performed on
temperature sensitive electrical fittings, pack-
aging, and other materials.

"SAVE THESE INSTRUCTIONS"

I

II

Double Insulated Tools

• Double Insulation

is a design concept

used in electric power tools which eliminates
the need for the three wire grounded power cord
and grounded power supply system. It is a
recognized and approved system by
Underwriter’s Laboratories, CSA and Federal
OSHA authorities.

IMPORTANT:

Servicing of a tool with

double insulation requires care and knowledge
of the system and should be performed only by
a qualified service technician. WHEN SER-
VICE IS REQUIRED USE ONLY IDENTI-
CAL REPLACEMENT PARTS.

POLARIZED PLUGS: If your tool is equipped
with a polarized plug (one blade is wider than
the other), this plug will fit in a polarized outlet
only one way. If the plug does not fit fully in the
outlet, reverse the plug. If it still does not fit,
contact a qualified electrician to install the
proper outlet. To reduce the risk of electric
shock do not change the plug in any way.

Operating the Tool

O

I

II

III

I

II

1 - 15

t

herm

o-e

le

c

tr

o

n

ic

1

5

13

9

7

5

3

1

100 - 155

3

205- 250

5

270 - 300

7

370 -395

9

465-495

11

515- 545

13

565-595

15

1

°C

50

50

°F

120

210-310

400-480
520-570
700-740
870-920

960-1010

1050-1100

120

Thermo-electronic

BM 2610910610 9/01

10/4/01, 10:12 AM

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