3M Versaflo M Série Instructions D'utilisation page 4

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G Z X O
G Z X O
USER INSTRUCTIONS
USER INSTRUCTIONS
Please read these instructions in conjunction with the 3M™ Versa o™ M-Series Headtop
Please read these instructions in conjunction with the 3M™ Versa o™ M-Series Headtop
Reference lea et where you will nd information on:
Reference lea et where you will nd information on:
Approved combinations of Air Delivery Units (Powered Air Turbos or Regulators)
Approved combinations of Air Delivery Units (Powered Air Turbos or Regulators)
Spare parts
Spare parts
Accessories
Accessories
UNPACKING
UNPACKING
Your 3M™ Versa o™ M-Series Headtop pack should contain:
Your 3M™ Versa o™ M-Series Headtop pack should contain:
a) M-106 Headtop or M-107 Headtop or M-306 Headtop or M-307 Headtop or M-406
a) M-106 Headtop or M-107 Headtop or M-306 Headtop or M-307 Headtop or M-406
Headtop or M-407 Headtop
Headtop or M-407 Headtop
b) User Instructions
b) User Instructions
c) Reference Lea et
c) Reference Lea et
^ WARNING
^ WARNING
Proper selection, training, use, and appropriate maintenance are essential in
Proper selection, training, use, and appropriate maintenance are essential in
order for the product to help protect the wearer from certain airborne
order for the product to help protect the wearer from certain airborne
contaminants and physical hazards. Failure to follow all instructions on the
contaminants and physical hazards. Failure to follow all instructions on the
use of these respiratory protection products and/or failure to properly wear
use of these respiratory protection products and/or failure to properly wear
the complete product during all periods of exposure may adversely affect the
the complete product during all periods of exposure may adversely affect the
wearer's health, lead to severe or life threatening illness, injury or permanent
wearer's health, lead to severe or life threatening illness, injury or permanent
disability. For suitability and proper use follow local regulations, refer to all
disability. For suitability and proper use follow local regulations, refer to all
information supplied or contact a safety professional or 3M on 0870 60 800 60 (UK)
information supplied or contact a safety professional or 3M on 0870 60 800 60 (UK)
or 1800 320 500 (Ireland).
or 1800 320 500 (Ireland).
^ Particular attention should be given to warning statements where
^ Particular attention should be given to warning statements where
indicated.
indicated.
SYSTEM DESCRIPTION
SYSTEM DESCRIPTION
The 3M™ Versa o™ M-Series headtops provide respiratory protection and are designed
The 3M™ Versa o™ M-Series headtops provide respiratory protection and are designed
to be used with an approved Air Delivery Unit (see Reference Lea et) to provide
to be used with an approved Air Delivery Unit (see Reference Lea et) to provide
respiratory protection. These products meet the requirements of EN12941 (Respiratory
respiratory protection. These products meet the requirements of EN12941 (Respiratory
protective devices – Powered ltering devices) and EN14594 (Respiratory protective
protective devices – Powered ltering devices) and EN14594 (Respiratory protective
devices – Continuous ow compressed air line breathing apparatus).
devices – Continuous ow compressed air line breathing apparatus).
Note: When regulators and compressed air supply tubes that are exclusively marked
Note: When regulators and compressed air supply tubes that are exclusively marked
EN1835 are used with M-Series headtops, the system will only meet the requirements of
EN1835 are used with M-Series headtops, the system will only meet the requirements of
EN1835. Air is fed via a breathing tube from the belt mounted Air Delivery Unit to the
EN1835. Air is fed via a breathing tube from the belt mounted Air Delivery Unit to the
back of the headtop. The air ows over the top of the wearer's head and down in front of
back of the headtop. The air ows over the top of the wearer's head and down in front of
the face. The M-Series headtops offer eye protection and speci c headtops within the
the face. The M-Series headtops offer eye protection and speci c headtops within the
range also offer head protection.
range also offer head protection.
APPROVALS
APPROVALS
These products meet the requirements of the European Community Directive
These products meet the requirements of the European Community Directive
89/686/EEC (Personal Protective Equipment Directive) and are thus CE marked.
89/686/EEC (Personal Protective Equipment Directive) and are thus CE marked.
Certi cation under Article 10, EC Type-Examination and Article 11, EC quality control,
Certi cation under Article 10, EC Type-Examination and Article 11, EC quality control,
has been issued by BSI Product Services, Kitemark House, Maylands Avenue, Hemel
has been issued by BSI Product Services, Kitemark House, Maylands Avenue, Hemel
Hempstead, Hertfordshire, HP2 4SQ, UK (Noti ed Body number 0086).
Hempstead, Hertfordshire, HP2 4SQ, UK (Noti ed Body number 0086).
LIMITATIONS OF USE
LIMITATIONS OF USE
Use this respirator strictly in accordance with all instructions:
Use this respirator strictly in accordance with all instructions:
- contained in this booklet,
- contained in this booklet,
- accompanying other components of the system. (e.g. 3M M-Series Reference Lea et,
- accompanying other components of the system. (e.g. 3M M-Series Reference Lea et,
Air Delivery Unit User Instructions).
Air Delivery Unit User Instructions).
Do not use the M-100/M-300 Series headtops in concentrations of contaminant above 20
Do not use the M-100/M-300 Series headtops in concentrations of contaminant above 20
times the Workplace Exposure Limit (WEL) when used with 3M™ Versa o™ TR-302E
times the Workplace Exposure Limit (WEL) when used with 3M™ Versa o™ TR-302E
and 3M™ Jupiter™ Powered Air Turbos or 3M™ Versa o™ V-100E, V-200E, V-500E,
and 3M™ Jupiter™ Powered Air Turbos or 3M™ Versa o™ V-100E, V-200E, V-500E,
3M™ Flowstream™, 3M™ Vortemp™ or 3M™ Vortex Regulators.
3M™ Flowstream™, 3M™ Vortemp™ or 3M™ Vortex Regulators.
Do not use the M-400 Series headtops in concentrations of contaminant above 20 times
Do not use the M-400 Series headtops in concentrations of contaminant above 20 times
the Threshold Workplace Exposure Limit (WEL) when used with 3M™ Jupiter ™
the Threshold Workplace Exposure Limit (WEL) when used with 3M™ Jupiter ™
Powered Air Turbo or 3M™ Flowstream™, 3M™ Vortemp™ or 3M™ Vortex Regulators.
Powered Air Turbo or 3M™ Flowstream™, 3M™ Vortemp™ or 3M™ Vortex Regulators.
Do not use the M-400 Series headtops in concentrations of contaminant above 40 times
Do not use the M-400 Series headtops in concentrations of contaminant above 40 times
the Workplace Exposure Limit (WEL) when used with 3M™ Versa o™ TR-302E
the Workplace Exposure Limit (WEL) when used with 3M™ Versa o™ TR-302E
Powered Air Turbo.
Powered Air Turbo.
Do not use the M-400 Series headtops in concentrations of contaminant above 40 times
Do not use the M-400 Series headtops in concentrations of contaminant above 40 times
the Workplace Exposure Limit (WEL) when used with 3M™ Versa o™ V-100E, V-200E
the Workplace Exposure Limit (WEL) when used with 3M™ Versa o™ V-100E, V-200E
or V-500E Regulators.
or V-500E Regulators.
Do not use for respiratory protection against unknown atmospheric contaminants or when
Do not use for respiratory protection against unknown atmospheric contaminants or when
concentrations of contaminants are unknown or immediately dangerous to life or health
concentrations of contaminants are unknown or immediately dangerous to life or health
(IDLH).
(IDLH).
Do not use in atmospheres containing less than 19.5% oxygen. (3M de nition. Individual
Do not use in atmospheres containing less than 19.5% oxygen. (3M de nition. Individual
countries may apply their own limits on oxygen de ciency. Seek advice if in doubt).
countries may apply their own limits on oxygen de ciency. Seek advice if in doubt).
Do not use these products in oxygen or oxygen-enriched atmospheres.
Do not use these products in oxygen or oxygen-enriched atmospheres.
These products do not supply oxygen.
These products do not supply oxygen.
Only use with the Air Delivery Units, spare parts and accessories listed in the Reference
Only use with the Air Delivery Units, spare parts and accessories listed in the Reference
Lea et and within the usage conditions given in the Technical Speci cation.
Lea et and within the usage conditions given in the Technical Speci cation.
Only for use by trained, competent personnel.
Only for use by trained, competent personnel.
Leave the contaminated area immediately if:
Leave the contaminated area immediately if:
a) Any part of the system becomes damaged.
a) Any part of the system becomes damaged.
b) Air ow into the headtop decreases or stops.
b) Air ow into the headtop decreases or stops.
c) Breathing becomes dif cult.
c) Breathing becomes dif cult.
d) Dizziness or other distress occurs.
d) Dizziness or other distress occurs.
e) You smell or taste contaminants or irritation occurs.
e) You smell or taste contaminants or irritation occurs.
Never modify or alter this product. Replace parts only with original 3M spare parts.
Never modify or alter this product. Replace parts only with original 3M spare parts.
High winds above 2m/s, or very high work rates (where the pressure within the headtop
High winds above 2m/s, or very high work rates (where the pressure within the headtop
can become negative) can reduce protection. Adjust equipment as appropriate or
can become negative) can reduce protection. Adjust equipment as appropriate or
consider an alternative form of respiratory protective device.
consider an alternative form of respiratory protective device.
If using in Supplied Air mode, ensure that:
If using in Supplied Air mode, ensure that:
The source of the air supply is known.
The source of the air supply is known.
The purity of the air supply is known.
The purity of the air supply is known.
The air supply is of a breathable quality to EN12021.
The air supply is of a breathable quality to EN12021.
^ Users should be clean-shaven where the respirator's face seal comes into
^ Users should be clean-shaven where the respirator's face seal comes into
contact with the face.
contact with the face.
(M-100 and M-300 series).
(M-100 and M-300 series).
^ These products meet the requirements of certain industrial eyewear standards
^ These products meet the requirements of certain industrial eyewear standards
and with some models, certain industrial head protection standards. They do
and with some models, certain industrial head protection standards. They do
not provide complete head, eye, and face protection from severe impact and
not provide complete head, eye, and face protection from severe impact and
penetration and are not a substitute for good safety practices and engineering
penetration and are not a substitute for good safety practices and engineering
controls.
controls.
Use only with recommended spectacles. Eye protectors against high speed particles worn
Use only with recommended spectacles. Eye protectors against high speed particles worn
over standard ophthalmic spectacles may transmit impacts, thus creating a hazard to the
over standard ophthalmic spectacles may transmit impacts, thus creating a hazard to the
user. Contact your supplier.
user. Contact your supplier.
In case of intended use in explosive atmospheres, contact 3M Technical Service.
In case of intended use in explosive atmospheres, contact 3M Technical Service.
^ Do not use in high heat environments above the recommended maximum
^ Do not use in high heat environments above the recommended maximum
temperature.
temperature.
^ Do not use the Head Neck and Shoulder cover or non- ame resistant face seals
^ Do not use the Head Neck and Shoulder cover or non- ame resistant face seals
and shrouds around high heat, sparks, and ames.
and shrouds around high heat, sparks, and ames.
Materials which may come into contact with the wearer's skin are not known to cause
Materials which may come into contact with the wearer's skin are not known to cause
allergic reactions to the majority of individuals.
allergic reactions to the majority of individuals.
These products do not contain components made from natural rubber latex.
These products do not contain components made from natural rubber latex.
EQUIPMENT MARKING
EQUIPMENT MARKING
For Air Delivery Unit marking please see appropriate User Instruction.
For Air Delivery Unit marking please see appropriate User Instruction.
The M-100/M-300 Series headtops are marked to EN12941 TH2 and EN14594 2B.
The M-100/M-300 Series headtops are marked to EN12941 TH2 and EN14594 2B.
The M-400 Series headtops are marked to EN12941 TH2/TH3 and EN14594 2B/3B.
The M-400 Series headtops are marked to EN12941 TH2/TH3 and EN14594 2B/3B.
The M-100/M-300/M-400 Series headtops are marked EN12941 TH3 and EN14594 3B.
The M-100/M-300/M-400 Series headtops are marked EN12941 TH3 and EN14594 3B.
The M-306 and M-307 headtops with M-300 helmet shell are marked to EN397 (see
The M-306 and M-307 headtops with M-300 helmet shell are marked to EN397 (see
below).
below).
The M-406 and M-407 headtops with M-400 helmet shell are marked to EN397 (see
The M-406 and M-407 headtops with M-400 helmet shell are marked to EN397 (see
below).
below).
Additional EN397 markings.
Additional EN397 markings.
MM
MM
LD
LD
440 V a.c.
440 V a.c.
The M-Series visors are marked to EN166:1:B:3:9.
The M-Series visors are marked to EN166:1:B:3:9.
The M-Series visors are marked to EN166:1:B:3:9:K.
The M-Series visors are marked to EN166:1:B:3:9:K.
The M-Series visor surrounds are marked to EN166:3:9:B
The M-Series visor surrounds are marked to EN166:3:9:B
Label inside the headtop with a date of manufacture (YYYYDDD e.g. 2009090 = 2009,
Label inside the headtop with a date of manufacture (YYYYDDD e.g. 2009090 = 2009,
90th day)
90th day)
Label inside the headtop: WARNING! Possible electrostatic hazard. The helmet and visor
Label inside the headtop: WARNING! Possible electrostatic hazard. The helmet and visor
must only be cleaned in a safe area.
must only be cleaned in a safe area.
Note: When regulators and compressed air supply tubes that are exclusively marked
Note: When regulators and compressed air supply tubes that are exclusively marked
EN1835 are used with M-Series headtops, the system will only meet the requirements of
EN1835 are used with M-Series headtops, the system will only meet the requirements of
EN1835.
EN1835.
PREPARATION FOR USE
PREPARATION FOR USE
Check apparatus is complete, undamaged and correctly assembled. Any damaged or
Check apparatus is complete, undamaged and correctly assembled. Any damaged or
defective parts must be replaced with original 3M spare parts before use.
defective parts must be replaced with original 3M spare parts before use.
Undertake pre-use checks on Air Delivery Unit assembly as outlined in the appropriate
Undertake pre-use checks on Air Delivery Unit assembly as outlined in the appropriate
user instruction.
user instruction.
Remove any protective lm from the visor
Remove any protective lm from the visor
Headtop adjustment
Headtop adjustment
The headtop should be adjusted to give the best face seal and eld of vision.
The headtop should be adjusted to give the best face seal and eld of vision.
To adjust the head suspension, rotate the ratchet knob to tighten/loosen the suspension.
To adjust the head suspension, rotate the ratchet knob to tighten/loosen the suspension.
A size reducing ratchet comfort pad may be required to improve t and stability.
A size reducing ratchet comfort pad may be required to improve t and stability.
Peel off the backing on the comfort pad and attach to the ratchet back plate.
Peel off the backing on the comfort pad and attach to the ratchet back plate.
The height on the head and the balance of the headtop can be adjusted by
The height on the head and the balance of the headtop can be adjusted by
tightening/loosening the fabric straps to raise/lower the headtop (Fig 1).
tightening/loosening the fabric straps to raise/lower the headtop (Fig 1).
Alternatively, the suspension headband can be adjusted in four locations (Fig 2).
Alternatively, the suspension headband can be adjusted in four locations (Fig 2).
Each position can be adjusted independently to give a custom t.
Each position can be adjusted independently to give a custom t.
4
OPERATING INSTRUCTIONS
OPERATING INSTRUCTIONS
DONNING
DONNING
1. Select an approved breathing tube (Please see 3M M-Series Reference Lea et for list
1. Select an approved breathing tube (Please see 3M M-Series Reference Lea et for list
of 3M approved breathing tubes) and connect top end to the headtop assembly. Please
of 3M approved breathing tubes) and connect top end to the headtop assembly. Please
see Technical Speci cation for breathing tube lengths.
see Technical Speci cation for breathing tube lengths.
Inspect the gasket located on the bayonet end of the breathing tube (i.e. the end that
Inspect the gasket located on the bayonet end of the breathing tube (i.e. the end that
connects to the Powered Air Turbo) for signs of wear or damage. If the seal is worn or
connects to the Powered Air Turbo) for signs of wear or damage. If the seal is worn or
damaged, the breathing tube should be replaced.
damaged, the breathing tube should be replaced.
2. Connect the bottom end of the breathing tube to the outlet of the Air Delivery Unit.
2. Connect the bottom end of the breathing tube to the outlet of the Air Delivery Unit.
3. Adjust and t the Air Delivery Unit as outlined in the appropriate User Instruction.
3. Adjust and t the Air Delivery Unit as outlined in the appropriate User Instruction.
4. Ensure the visor is in the raised position and t headtop. Ensure headtop is held rm
4. Ensure the visor is in the raised position and t headtop. Ensure headtop is held rm
and comfortable. If necessary adjust headtop as described earlier.
and comfortable. If necessary adjust headtop as described earlier.
5. Switch on the Powered Air Turbo or connect the compressed air supply tube to the
5. Switch on the Powered Air Turbo or connect the compressed air supply tube to the
Regulator.
Regulator.
6. (a) M-100/M-300 Series. Lower the visor into the down position by pulling on the loop
6. (a) M-100/M-300 Series. Lower the visor into the down position by pulling on the loop
located on the face seal so that the face seal is under the chin. Check face seal is
located on the face seal so that the face seal is under the chin. Check face seal is
correctly positioned all around the face.
correctly positioned all around the face.
(b) M-400 Series. Lower the visor frame into the closed position. Tighten the adjustable
(b) M-400 Series. Lower the visor frame into the closed position. Tighten the adjustable
chord on the inner shroud until there is less than a two nger gap between your skin and
chord on the inner shroud until there is less than a two nger gap between your skin and
the inner shroud.
the inner shroud.
^ Always properly assemble and wear both the inner and outer shroud.
^ Always properly assemble and wear both the inner and outer shroud.
^ Ensure the visor frame rmly latches in the closed position. Replace worn or
^ Ensure the visor frame rmly latches in the closed position. Replace worn or
damaged parts if required.
damaged parts if required.
7. Ensure at least minimum air ow into the headtop is achieved and adjust for maximum
7. Ensure at least minimum air ow into the headtop is achieved and adjust for maximum
comfort – see appropriate User Instruction.
comfort – see appropriate User Instruction.
8 . If needed, lift the visor and adjust the air ow de ector.
8 . If needed, lift the visor and adjust the air ow de ector.
When fully open, more air ow is directed across the face.
When fully open, more air ow is directed across the face.
When partially closed, a portion of air is directed towards the visor.
When partially closed, a portion of air is directed towards the visor.
After adjusting, lower the visor back into the down position (M-100/M-300 Series) or
After adjusting, lower the visor back into the down position (M-100/M-300 Series) or
closed position (M-400 Series).
closed position (M-400 Series).
IN USE
IN USE
Use in the power / air supply off state is not normal, there may be a rapid build up
Use in the power / air supply off state is not normal, there may be a rapid build up
of carbon dioxide, depletion of oxygen and little or no protection is provided,
of carbon dioxide, depletion of oxygen and little or no protection is provided,
vacate the contaminated area immediately.
vacate the contaminated area immediately.
Take care to prevent the breathing tube from becoming looped around protruding objects.
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.
If this should occur vacate the contaminated area and check apparatus is undamaged.
If during use the air supply stops or is reduced, vacate the contaminated area
If during use the air supply stops or is reduced, vacate the contaminated area
immediately and investigate the cause.
immediately and investigate the cause.
The 'in-use' life of the product will vary with frequency and conditions of use.
The 'in-use' life of the product will vary with frequency and conditions of use.
Headtops used in aggressive environments or outdoors in direct sunlight may need to be
Headtops used in aggressive environments or outdoors in direct sunlight may need to be
replaced more frequently than headtops used occasionally indoors.
replaced more frequently than headtops used occasionally indoors.
3M recommends a maximum life (shelf-life plus in-use life) of 3 years from the date of
3M recommends a maximum life (shelf-life plus in-use life) of 3 years from the date of
manufacture when stored in accordance with the recommended storage conditions.
manufacture when stored in accordance with the recommended storage conditions.
Note: Most plastic components have a moulded in date of manufacture and must be
Note: Most plastic components have a moulded in date of manufacture and must be
replaced as described above regardless of outward appearance.
replaced as described above regardless of outward appearance.
^ Do not use beyond the maximum life of the product.
^ Do not use beyond the maximum life of the product.
DOFFING
DOFFING
Do not remove the headtop or turn off the air supply until you have vacated the
Do not remove the headtop or turn off the air supply until you have vacated the
contaminated area.
contaminated area.
1. M-100/M-300 Series. Grasp the face seal, lift the visor and lift the headtop off the head.
1. M-100/M-300 Series. Grasp the face seal, lift the visor and lift the headtop off the head.
M-400 Series. Loosen the inner shroud, grasp the visor surround and lift the visor, then
M-400 Series. Loosen the inner shroud, grasp the visor surround and lift the visor, then
lift the headtop off the head.
lift the headtop off the head.
2. Switch off the Powered Air Turbo or disconnect the compressed air supply tube from
2. Switch off the Powered Air Turbo or disconnect the compressed air supply tube from
the Regulator.
the Regulator.
3. Unbuckle the waist belt.
3. Unbuckle the waist belt.
NOTE If the respirator has been used in an area that has caused it to become
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
contaminated with a substance requiring special decontamination procedures it
should be placed in a suitable container and sealed until it can be decontaminated
should be placed in a suitable container and sealed until it can be decontaminated
or discarded.
or discarded.
CLEANING INSTRUCTIONS
CLEANING INSTRUCTIONS
^ Use only the cleaning processes and agents described in this section to clean
^ Use only the cleaning processes and agents described in this section to clean
the product.
the product.
Use a clean cloth dampened with a mild solution of water and liquid household soap.
Use a clean cloth dampened with a mild solution of water and liquid household soap.
Do not use petrol, chlorinated degreasing uids (such as trichloroethylene), organic
Do not use petrol, chlorinated degreasing uids (such as trichloroethylene), organic
solvents or abrasive cleaning agents to clean any part of the equipment.
solvents or abrasive cleaning agents to clean any part of the equipment.
To disinfect use wipes as detailed in Reference Lea et.
To disinfect use wipes as detailed in Reference Lea et.
MAINTENANCE
MAINTENANCE
Maintenance, servicing and repair must only be carried out by properly trained personnel.
Maintenance, servicing and repair must only be carried out by properly trained personnel.
^ Use of unapproved parts or unauthorised modi cation could result in danger to
^ Use of unapproved parts or unauthorised modi cation could result in danger to
life or health and can invalidate any warranty.
life or health and can invalidate any warranty.
WHAT
WHAT
WHEN
WHEN
General Inspection
General Inspection
Before use - Monthly if not in regular use
Before use - Monthly if not in regular use
Cleaning
Cleaning
After use
After use
^ Helmets subjected to severe impact should be replaced.
^ Helmets subjected to severe impact should be replaced.
Face seal replacement (M-100/M-300 Series).
Face seal replacement (M-100/M-300 Series).
Unhook the elastic loop from the headband and remove the plastic face seal tab from the
Unhook the elastic loop from the headband and remove the plastic face seal tab from the
'T' attachment points (Fig 3a, 3b and 3c).
'T' attachment points (Fig 3a, 3b and 3c).
Pull the black face seal gasket slowly out of the visor frame (Fig 4).
Pull the black face seal gasket slowly out of the visor frame (Fig 4).
Install the new face seal by aligning the gasket with the edge of the groove in the visor
Install the new face seal by aligning the gasket with the edge of the groove in the visor
frame.
frame.
Press the gasket rmly and fully into the groove around the whole visor frame.
Press the gasket rmly and fully into the groove around the whole visor frame.
Re-attach the plastic face seal tab and elastic loop.
Re-attach the plastic face seal tab and elastic loop.
Shroud replacement (M-400 Series).
Shroud replacement (M-400 Series).
Pull the black shroud gasket slowly from the headtop (Fig 5).
Pull the black shroud gasket slowly from the headtop (Fig 5).
Release the suspension ratchet from the hole in the outer shroud and pull the large
Release the suspension ratchet from the hole in the outer shroud and pull the large
plastic tab off the air inlet of the headtop.
plastic tab off the air inlet of the headtop.
Re-insert the air inlet into the new outer shroud making sure the plastic tabs are pushed
Re-insert the air inlet into the new outer shroud making sure the plastic tabs are pushed
underneath the headtop shell.
underneath the headtop shell.
Align the gasket with the edge of the groove and press rmly and fully into this groove
Align the gasket with the edge of the groove and press rmly and fully into this groove
around the whole headtop.
around the whole headtop.
Inner shroud replacement.
Inner shroud replacement.
Un-zip the inner shroud from the outer shroud and replace.
Un-zip the inner shroud from the outer shroud and replace.
^ Always properly assemble and wear both the inner and outer shroud.
^ Always properly assemble and wear both the inner and outer shroud.
Head suspension replacement (M-100 Series).
Head suspension replacement (M-100 Series).
Remove the face seal as described above. Release the suspension from the headtop by
Remove the face seal as described above. Release the suspension from the headtop by
pulling the height adjustment slot of the peg at each of the four attachment points (Fig 2 ).
pulling the height adjustment slot of the peg at each of the four attachment points (Fig 2 ).
Attach the replacement head suspension using the same attachment points and attach
Attach the replacement head suspension using the same attachment points and attach
the face seal.
the face seal.
Head suspension replacement (M-300 and M-400 Series).
Head suspension replacement (M-300 and M-400 Series).
Remove the face seal as described above (M-300 Series only). With the headtop upside
Remove the face seal as described above (M-300 Series only). With the headtop upside
down, release the suspension by pushing upward on the plastic hangers of the web
down, release the suspension by pushing upward on the plastic hangers of the web
straps (Fig 6). Remove the centre web strap by pushing upwards on the plastic hangers.
straps (Fig 6). Remove the centre web strap by pushing upwards on the plastic hangers.
Attach the replacement centre web strap and suspension by inserting the plastic hangers
Attach the replacement centre web strap and suspension by inserting the plastic hangers
into the appropriate slots. Ensure all hangers are fully inserted.
into the appropriate slots. Ensure all hangers are fully inserted.
Forehead seal replacement (M-100 Series).
Forehead seal replacement (M-100 Series).
Unbutton the seal from the attachment point on the suspension (Fig 7). Pull the black
Unbutton the seal from the attachment point on the suspension (Fig 7). Pull the black
gasket slowly out of the groove. Install the new seal by aligning the gasket as shown in
gasket slowly out of the groove. Install the new seal by aligning the gasket as shown in
Fig 8. Press the gasket rmly and fully into the groove. Re-attach the forehead seal to the
Fig 8. Press the gasket rmly and fully into the groove. Re-attach the forehead seal to the
head suspension.
head suspension.
Forehead seal replacement (M-300 Series).
Forehead seal replacement (M-300 Series).
Remove current seals from headtop. Gently scrape off any residue by hand. Clean the
Remove current seals from headtop. Gently scrape off any residue by hand. Clean the
surfaces with wipe (see Reference Lea et) or damp cloth and wipe dry with towel. Ensure
surfaces with wipe (see Reference Lea et) or damp cloth and wipe dry with towel. Ensure
surfaces are completely dry before installing new forehead seals. Ensure replacement
surfaces are completely dry before installing new forehead seals. Ensure replacement
seals adhere rmly to the headtop.
seals adhere rmly to the headtop.
Replacement jaw gasket (M-400 Series).
Replacement jaw gasket (M-400 Series).
Pull the black gasket slowly out of the headtop (Fig 9). Align the new gasket with the edge
Pull the black gasket slowly out of the headtop (Fig 9). Align the new gasket with the edge
of the groove in the visor frame. Press the new gasket rmly and fully into the groove.
of the groove in the visor frame. Press the new gasket rmly and fully into the groove.
Air ow de ector replacement.
Air ow de ector replacement.
With the visor in the open position, remove the damaged/broken air ow de ector (use a
With the visor in the open position, remove the damaged/broken air ow de ector (use a
tool if necessary) and replace.
tool if necessary) and replace.
Ratchet replacement.
Ratchet replacement.
Locate the ratchet attachment points on the suspension (Fig 10a). Press down on each of
Locate the ratchet attachment points on the suspension (Fig 10a). Press down on each of
the four sections on the attachment points (Fig 10b ). Hold the replacement ratchet so
the four sections on the attachment points (Fig 10b ). Hold the replacement ratchet so
that the attachment holes are curved in the up position (Fig 10c ). Snap attachment
that the attachment holes are curved in the up position (Fig 10c ). Snap attachment
points onto the suspension.
points onto the suspension.
Visor replacement.
Visor replacement.
Release the visor frame buttons by pushing the buttons outward from inside the visor
Release the visor frame buttons by pushing the buttons outward from inside the visor
(Fig 11). (Note: For M-400, it may be easier to push button with visor in the up position).
(Fig 11). (Note: For M-400, it may be easier to push button with visor in the up position).
Remove the visor from the frame (Fig 12). Insert the replacement visor into the groove
Remove the visor from the frame (Fig 12). Insert the replacement visor into the groove
in the visor frame and align the notches in the visor with the button holes in the frame.
in the visor frame and align the notches in the visor with the button holes in the frame.
Push the visor frame buttons into the frame to lock the visor in place (Fig 13). The
Push the visor frame buttons into the frame to lock the visor in place (Fig 13). The
buttons should make an audible "click" when fully seated in the frame.
buttons should make an audible "click" when fully seated in the frame.
^ Ensure visor buttons are rmly secured and ush to the visor frame (Fig 14).
^ Ensure visor buttons are rmly secured and ush to the visor frame (Fig 14).
Replace worn or damaged parts if required.
Replace worn or damaged parts if required.
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