Cleaning Instructions; Technical Specification; Storage And Transportation - 3M 400 Serie Instrucciones De Uso

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 face seal 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.
Air Management Kit replacement – See fig. 2.
Visor replacement – See fig. 3.
Face seal replacement – See fig. 4.
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.
WHEN
Before use
Monthly if not in regular use
After use
5

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
Polycarbonate visor: EN166:2:B:3:9 (Optical class 2, medium energy impact B, Liquid splash 3 and
molten metal 9).
Acetate visor: EN166:2:F:3 (Optical class 2, low energy impact F and Liquid splash 3).
Flow Characteristics
Manufacturers Minimum Design Flow (MMDF) 150 l/min.
Maximum flow – See appropriate user instruction.
Head Size
One size, adjustable to fit 52 cm to 64 cm (UK sizes 6.5 – 8).
Operating Temperature
-5°C to +40°C.
Weight
HT-401 = 500 g.
HT-402 = 500 g.
6