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1 Safety Regulations
1
Safety Regulations
1.1
Correct Use
An MSA full body harness is a primary component of a personal fall arrest system. It may also be used for positioning and
travel restriction when the appropriate attachments are present. The harness straps are arranged to contain the torso and
distribute the forces of fall arrest to the thighs, chest, and shoulders of the wearer.
WARNING!
• DO NOT use fall protection equipment for towing or material handling.
• DO NOT alter this equipment or intentionally misuse it.
• DO NOT use fall protection equipment for purposes other than those for which it was designed.
• If PPE is resold, it is essential that instructions for use, maintenance, and periodic examination are provided in the
language of destination.
• MSA Fall Protection products may not be used while under the influence of drugs or alcohol.
Failure to follow these warnings can result in serious personal injury or death.
1.2
Harness Specifications
• All MSA harnesses with these instructions meet ANSI Z359.11 and ABNT NBR 15836:2010 and/or ABNT NBR
15835:2010 standards (as noted on label). These instructions, and markings on the harness, fulfill the instruction and
marking requirements of those standards and regulations.
• All alloy steel D-rings are zinc plated. All aluminum D-rings are anodized. All D-rings are 100% proof tested to 3,600 lbf
(16 kN). Minimum breaking strength is 5,000 lbf (22.2 kN).
• All alloy steel buckles and adjusters are zinc plated. All aluminum buckles and adjusters are anodized.
• Webbing is minimum 1.75 in (44 mm) nominal width. Minimum breaking strength of 5,500 LBF (24.3 kN) when new. The
webbings of full body harnesses are made from polyester, nylon, or other multifilament synthetic fibers. All load bearing
hardware is zinc plated alloy steel or aluminum alloy. Check harness label for material type
• When used as part of a personal fall arrest system, fall arresting forces must not exceed 1800 lbs (8kN) for ANSI
Z359.11 or 1348 lbs (6kN) for NBR 15835:2010 and NBR 15836:2010.
• Capacity is 310 lb (141 kg) including weight of the user plus clothing, tools and other user-borne objects. ANSI Z359.11
does not recognize weight capacities over 310 lbs (141 kg).
• NBR 15835:2010 and NBR 15836:2010 recognizes a capacity limit of 100 kg.
• When using the harness with a fall arrest lanyard in a fall factor two situation, do not exceed the capacity of 120kg.
• The average lifespan of the product is 5 years. However, the following factors can reduce the performance of the product
and its lifespan: incorrect storage, incorrect use, fall arrest, mechanical warping, contact with chemicals (acids and
alkalis), exposure to high temperatures. See full details in the
1.3
Usage Limitations
1.3.1
Physical Limitations
The harness is designed for one user whose weight, including clothing, tools, and other user-borne objects is less than the
capacity shown on product label. Users with muscular, skeletal, or other physical conditions that could reduce the ability to
withstand fall-arrest shock loads or prolonged suspension should consult a physician before using. Pregnant women and
minors must never use the harness. See
5.3 Inspection
Table 1 Harness Sizing
for proper sizing.
Procedure.
US
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