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Cleaning Instructions; Storage And Transportation; Technical Specification - 3M 800 Serie Instrucciones De Uso

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4. Ensure the visor is in the raised position and fit headtop. Ensure headtop is held firm and
comfortable. If necessary adjust headtop as described earlier.
5. Switch on the air filter unit or connect the compressed air supply tube to the regulator.
6. Grip visor surround and pull visor down into the lowered position, at the same time position the
bottom of the face seal under the chin. Check face seal is correctly positioned all around the face.
7. Ensure at least minimum airflow into the headtop is achieved and adjust for maximum comfort –
see appropriate User Instruction.
IN USE
Use in the power / air supply off state is not normal, little or no protection is provided, vacate the
contaminated area immediately.
Take care to prevent the breathing tube from becoming looped around protruding objects.
Do not remove the headtop, switch off the air filter unit or turn off the air supply until you have
vacated the contaminated area.
If during use the air supply stops or is reduced, vacate the contaminated area immediately and
investigate the cause.
The 'in-use' life of the headtop will vary with frequency and conditions of use. In everyday use,
particularly when used outdoors, it is recommended that the headtop is discarded after 3 years service
although some extreme conditions may result in deterioration over a shorter period.
For indoor or occasional use we would anticipate a service life of approximately 5 years, provided the
headtop is stored as stated below.
DOFFING
Do not remove the headtop or turn off the air supply until you have vacated the contaminated area.
1. Grasp the visor surround, raise the visor and lift the headtop off the head.
2. Switch off the air filter unit or disconnect the compressed air supply tube from the regulator.
3. Unbuckle the waistbelt.
NOTE:
If the respirator has been used in an area that has caused it to become contaminated with a
substance requiring special decontamination procedures it should be placed in a suitable
container and sealed until it can be decontaminated.

CLEANING INSTRUCTIONS

Use a clean cloth dampened with a mild solution of water and liquid household soap.
Do not use petrol, chlorinated degreasing fluids (such as trichloroethylene), organic solvents or
abrasive cleaning agents to clean any part of the equipment.
To disinfect use wipes as detailed in Reference leaflet (3M 105).
MAINTENANCE
Maintenance, servicing and repair must only be carried out by properly trained personnel.
Use of unapproved parts or unauthorised modification could result in danger to life or health and can
invalidate any warranty.
WHAT
General Inspection
Cleaning
A maintenance record should be kept at the monthly checking stage to comply with Health and Safety
Regulations. This record should be kept for at least 5 years.
Visor replacement - See fig. 2.
Face seal replacement - See fig. 3.
Head Harness / Comfort Band and Head Cradle replacement - See figs 4-7.
WHEN
Before use
Monthly if not in regular use
After use
5
Temple seals replacement (HT-820) - See fig. 8.
Visor surround replacement – See fig. 9.
If disposal of parts is required this should be undertaken in accordance with local health and safety,
and environmental regulations.

STORAGE AND TRANSPORTATION

The equipment should be stored in the packaging provided in dry, clean conditions away from direct
sunlight, sources of high temperature, petrol and solvent vapours.
Do not store outside the temperature range - 20°C to +50°C or with humidity above 90%.
When stored as stated, the expected shelf life of the headtops is 5 years from date of manufacture.
The original packaging is suitable for transporting the product throughout the European Economic
Community.

TECHNICAL SPECIFICATION

(Unless otherwise stated in the Reference leaflet).
Respiratory Protection
Nominal Protection Factor = 50.
Assigned Protection Factor = 20.
EN1835 LDH2 when connected to regulator.
prEN146 (rev) TH2 / EN12941 TH2 when connected to AFU.
Eye Protection
Visor surround - EN166:3:9:-B. (Liquid splash 3, molten metal 9 and medium energy impact –B).
Polycarbonate visor – EN166:1:B:3:9 (Optical class 1, medium energy impact B, liquid splash 3 and
molten metal 9).
Acetate visor - EN166:1:F:3:9 (Optical class 1, low energy impact F, liquid splash 3 and molten
metal 9).
Where the markings on the visor and visor surround are different, the lower classification should
be taken.
Head protection
The HT-820 headtop meets the requirements of EN812.
The HT-840 and HT-880 headtops meet the requirements of EN397.
Flow Characteristics
Manufacturers Minimum Design Flow (MMDF) 150 l/min.
Maximum flow – See appropriate user instruction.
Head Size
One size, adjustable to fit 52cm to 64cm (UK sizes 6.5 – 8).
Operating Temperature
- 5°C to +40°C.
Weight (excludes breathing tube and shroud on HT-880).
HT-820 = 845 g.
HT-840 = 1000 g.
HT-880 = 1075 g.
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Ht-820Ht-840Ht-880045-00-10p045-00-12p045-00-14p