Takata-racing RACE 4 SNAP Manuel d'utilisateur télécharger pdf (Page 2)

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1. D

AVE

XPERIENCE

NSTALLING

ACING

ARNESSES

The installation procedures explained in this manual assume that you have the

knowledge, experience and tools required to install racing harnesses. If you do

not have the knowledge, experience and/or tools required or do not understand

the instructions, do not install the harness belt – have the harness belt system

installed by a professional who will be able to do the job correctly. Your safety

and the safety of others who will use the harness belt system are at stake!

Always heed all WARNING and SAFETY INSTRUCTION boxes. Always read

and heed all instructions in this manual carefully. Failure to follow WARNING,

SAFETY INSTRUCTIONS and all other instructions could result in severe

personal injuries and death.

Approvals for racing harnesses are granted by sanctioning bodies like FIA and

SFI. Some TAKATA racing harness models are approved by multiple sanctioning

bodies and therefore may carry multiple labels. One of these labels should apply

to the motor sport in which you are participating.

FIA

HOMOLOGATED

ACING

ARNESSES

Racing harnesses manufactured for motor sport in countries, or for racing series

that fall under the FIA regulation, must carry the appropriate FIA labels.

FIA-labelled belts are valid for five [5] years from last day of the year of

manufacture unless regulated differently by the sanctioning body of the motor

sport in which you are participating. The last year of FIA validity is indicated on

the label. Each separate strap assembly is labelled.

SFI

PPROVED

ACING

ARNESSES

Racing harnesses specifically manufactured for motor sport requiring SFI 16.1 or

SFI 16.5 approval are tested and labelled accordingly.

These racing harnesses MUST be replaced two [2] years

after the month and year of manufacture. The date of

manufacture is indicated on all three SFI labels – [1] at the

lap belt, [2] at the shoulder harness and [3] at the anti-sub

strap.

Example of a FIA label Example of a SFI Label

Label will be marked with Label will be marked with

valid year valid month and year

NCHORAGE

OCATIONS AND

EOMETRIES

ELT

OUTING

An occupant can be effectively restrained ONLY by load transfer through the

hard points of the occupant’s body. The only accessible hard points are the

following:

• pelvic

• thorax [chest] to a limited level only

• clavicle [shoulders]

Therefore, it is essential that strap routing be optimised as described in the

following graphs.

Optimal performance of your racing harness requires proper installation and

proper use. Heed and obey the following instructions with respect to racing

harness geometry and routing.

• Bracket installation and operation.

• Wearing the racing harness.

• Adjusting the racing harness.

ELT

OUTING

 Lap belt straps must be routed over the pelvic bone to stay firmly and tightly in

the crest between the pelvic bone and the upper thigh.

 Lap belt downward angle should be approximately 60° measured from the

horizontal, passing through the occupant’s hip joint. This is the suggested

angle for upright seating [15-20° backrest declinat ion]. A higher backrest

declination, e.g. 30° – 40°, as is common in open w heel race cars, requires a

belt angle of 70° – 80°.

 Make sure there are no sharp edges [seat structure, seat mounts, chassis]

that may tear or cut the lap belt webbing.

HOULDER

ELT

OUTING

 Shoulder belts must run from the shoulders horizontally or down, at no more

than a 20° angle.

 For the best restraint of the occupant’s upper torso, anchor points should not

be further back than 200 mm [8”] from back of user’s seat.

 In the event that the anchor points are further towards the rear of the vehicle

[e.g. using a roll cage bar for wrap around attachment] the distance between

the strap anchorages will narrow or even cross over as described in following

graphs.

 It is especially crucial to follow this strap routing when a Head And Neck

Support is in use.

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Takata-racing RACE 4 SNAP Manuel d'utilisateur Page 2

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