Clarke CWH 6, 6000671 User guide

ARC ACTIVATED HEADSHIELD

Model No: CWH6, CWH7 & CWH8

PART NO: 6000671, 6000672 & 6000688

OPERATION & MAINTENANCE

INSTRUCTIONS

GC0314

INTRODUCTION

Thank you for purchasing this CLARKE Headshield.

Please read this manual thoroughly and follow the instructions carefully. In
doing so you will ensure the safety of yourself and that of others around you, &
you can look forward to the product giving you long & satisfactory service.

GUARANTEE

This product is guaranteed against faulty manufacture for a period of 12
months from the date of purchase. Please keep your receipt which will be
required as proof of purchase.

This guarantee is invalid if the product is found to have been abused or
tampered with in any way, or not used for its intended purpose. Faulty goods
should be returned to their place of purchase. No product can be returned to
us without prior permission. This guarantee does not effect your statutory rights.

ENVIRONMENTAL RECYCLING POLICY

Through purchase of this product, the customer is taking on the
obligation to deal with the WEEE in accordance with the WEEE
regulations in relation to the treatment, recycling & recovery and
environmentally sound disposal of the WEEE.

In effect, this means that this product must not be disposed of with general
household waste. It must be disposed of according to the laws governing
Waste Electrical and Electronic Equipment (WEEE) at a recognised disposal
facility.

SPECIFICATION

Viewing Field (W x H) 90 X 40 mm Weig ht 0.5kg

UV/IR Protection Max shade DIN16

Operating Temperature Range-5o

Shade Number in Dark State DIN 9-13 Outside

Shade Number in Light State DIN4

at a

Ad

justment

ll times

C - +5

5oC

Switching Time from light to
dark

Delay Time from dark to light 0.15 - 0.3 seconds

Power Supply Solar Cells / two

2

0.7 m sec

AAA batteries

GENERAL SAFETY WARNINGS

• The protective plate in this headshield is breakable and will not protect
against impact hazards.

• This Headshield is designed for use in arc welding or cutting applications
such as MIG/MAG, TIG, MMA, Plasma Arc, and Carbon Arc.

• Use this headshield for face and eye protection against harmful rays,
sparks and spatter from welding and cutting.

• This headshield is not suitable for laser welding, laser cutting or “overhead”

welding applications or for oxy-acetylene.

• Never place this product on a hot surface.

• In the event of failure, the headshield remains protected against UV and IR
radiation.

• Do not make any modifications to this product. Protection can be seriously
impaired if modifications are made.

• When necessary, use identical replacement parts. This will ensure that the
safety of the product is maintained.

• Only trained welders should use this product.

• Do not use without protective plate installed. Do not use if any part of the
headshield is cracked or broken.

• Do not use this headshield for welding outside the range of DIN 9-13. Harm
to the eyes and impaired eyesight may result.

Please keep these instructions in a safe place for future reference.

PREPARATION & USE

Refer to the part numbers on Page 6.

ASSEMBLY

1. Install headband (8) by removing the thumbscrews (3) individually, and
fasten again after passing each spindle (12) through the holes on the sides
of the hood. Ensure the square lugs of the spacer (15) and back washer
(13) seat in the headshield and the adjustment tab (9) is locked in position.

2. Remove protective film from lens before use.

ADJUST HEADBAND TO FIT

The headband (8) should be adjusted both in diameter and height to fit the
wearer’s head. To do this, press the adjustment knob (10) on the back

3

1. of the headband and turn the nut either left or right to expand or contract
the headband.

2. The top headband can be adjusted by bending the strap and positioning
the peg in the appropriate hole.

3. When the thumbscrews (3) are tight, the angle of tilt can be quickly and
repeatably adjusted using the adjusting tab (9), by placing it on the
chosen peg on the headband.

BATTERY INSTALLATION

1. Remove the battery compartment door
by gently prising up the lid as shown.

2. Install the batteries (2 x AAA 1.5 volt
batteries) according to the diagram
located on the battery compartment lid

3. Close the lid by pushing it down gently.

BATTERY LOW WARNING

1. The filter cartridge has a red ‘low battery’ warning indicator. When the red
light warning indicator illuminates, the batteries should be replaced as
soon as possible.

USING THE HEADSHIELD

1. Remove the protective film from both sides of the cartridge (1).

2. Ensure the battery indicator light on the lens is illuminated before welding.

• •The window will be set to Light DIN 4 state, and you will be able to see the
workpiece. The lens will automatically darken when an arc is struck.

3. Test the lens by striking an arc on the workpiece for the first time. Replace
the batteries if the lens is not operating correctly. Check also that the outer
screen and lens are clean and clear at all times.

4. Change the shade of setting as required using the shade adjustment knob
(4). Refer to the table opposite.

5. When the helmet is not used for 15 minutes, the power will automatically
shut off. There is no OFF switch.

SELECT THE SHADE SETTING

On striking an arc, the window will automatically darken to a preset level. You
can adjust this level using the shade knob (4) on the side of the headshield,
corresponding to the type of welding process.

• There are five levels available; 9, 10, 11, 12 and 13. Check the table to
determine which value you should select.

4

1. Set the shade selector (4) to the required setting.

2. During the welding operation the lens will automatically darken to the pre­set shade. On removal of the arc, the lens will return to the light state.

Welding

Process

SMAW 9 10 11 12 13 14

MIG(heavy) 10 11 12 13 14

MIG(light) 10 11 12 13 14 15

TIG, GTAG 9 10 11 12 13 14

MAG/CO2 10 11 12 13 14 15

SAW 10 11 12 13 14 15

PAC 11 12 13

PAW 9 10 11 12 13 14 15

10 20 30 40 60 80 100 125 150 175 200 225 250 275 300 350 400 450 500

Arc Current (Amperes)

Shade numbers according to BS 679, DIN 4647-1 and EN 169

WARNING: DO NOT USE FOR WELDING OUTSIDE THE RANGE OF DIN 9-13.
INJURY TO THE EYES & LOSS OF EYESIGHT MAY BE CAUSED.

CARE AND MAINTENANCE

GENERAL

Damaged components must be replaced immediately to avoid risk of eye
and face injuries. Periodically inspect the filter cartridge and lenses. Cracked,
pitted or scratched lenses reduce vision and seriously reduce level of
protection and should be replaced with genuine, certified spare parts. The
outer screen can be removed for cleaning or replacement by prising it away
at its lower edge with the thumb. When replacing, take care it lays evenly on
the lips provided.

CLEANING & STORAGE

The cartridge (5) can be wiped with a household glass cleaner when dirty.
Apply the cleaner with a clean cloth or paper towel. DO NOT USE ALCOHOL
TO CLEAN. DO NOT APPLY CLEANER DIRECTLY TO THE CARTRIDGE. The
headshield should be stored in it’s box or similar place.

• Clean all lenses with a soft tissue and suitable lens cleaning fluid. Do not use
solvents. Never use tools or other sharp objects to remove material from the
filter or helmet. This may cause damage which may cause incorrect
function and invalidate the warranty.

5

COMPONENT PARTS

No Description No Description

1 Cartridge Assembly 7 Sweat Band

2 Spacer 8 Headband

3 Thumbscrew for Headband 9 Adjustment Tab

4 Shade Selector Knob 10 Headband Adjustment Knob

5 Fixing Screw 11 Spindle

6 Outer Screen 12 Headband Tensioner

6

DECLARATION OF CONFORMITY

7