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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. If this should
occur vacate the contaminated area and check apparatus is undamaged.
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 HT-120, HT-121 and HT-125 headtops will vary with frequency and
conditions of use.
In everyday use, it is recommended that these headtops are discarded after 5 years service although
some extreme conditions may result in deterioration over a shorter period.
The HT-101, HT-103, HT-111 and HT-115 are disposable or semi disposable items.
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.
HT-111, HT-115, HT-121 and HT-125 – For disassembly please see attached sheet and Fig 2.
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 (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. 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
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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.
Flow Characteristics
Manufacturers Minimum Design Flow (MMDF) 150 l/min.
Maximum flow – See appropriate user instruction.
Head Size
Adjustable, elasticated headband.
Operating Temperature
-5°C to +40°C.
Weight
HT-101 = 90 g.
HT-103 = 90 g.
*HT-111 = 295 g.
*HT-115 = 275 g.
HT-120 = 180 g.
*HT-121 = 360 g.
*HT-125 = 345 g.
*including connector assembly.
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