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3.0 INSTALLATION
3.1 OVERVIEW:
Full body harnesses are to be used as part of a Fall Protection system. Ensure each component of your Fall
Protection system is installed per the manufacturer instructions.
3.2 PLANNING:
Plan your Fall Protection system before installation. Account for all factors that may affect your safety
before, during, and after a fall. Consider all requirements and limitations specified in these instructions.
A. ANCHORAGE:
Select an anchorage capable of sustaining the static load requirements of the intended Fall Protection
application. See the manufacturer instructions for each component of your Fall Protection system for more information.
The anchorage location should address all requirements specified in these instructions.
B. SHARP EDGES:
Avoid working where system components may be in contact with, or scrape against, unprotected
sharp edges and abrasive surfaces. All sharp edges and abrasive surfaces should be covered with protective material.
C. CONNECTING SUBSYSTEMS:
Connecting subsystems used with the harness must be suitable for your system
application. See the Product Overview and Figure 2 for more information, as well as the manufacturer instructions for
your connecting subsystem.
D. HARNESS STRETCH:
Some amount of harness stretch should be expected when using this product as part of a
Fall Arrest system during fall arrest. See “Table 1 – Product Specifications” for how much harness stretch should
be expected when using this product. Harness stretch should be added to all fall clearance requirements for your
system, unless it is already accounted for by the connecting subsystem or another component. See the manufacturer
instructions of your connecting subsystem for more information on fall clearance requirements.
;
Maximum harness stretch is determined by the applicable standard or regulation.
3.3
FASTENING BUCKLES:
3M Harnesses are equipped with a variety of Buckles for fastening and adjusting Leg Straps
and Chest Straps. See Figure 1 for the buckle types present on your harness. Figure 6 illustrates operation of each of the
following buckles:
1. Quick Connect Buckles:
A. To fasten the buckle:
Insert the Tab into the Receptor until a click is heard.
B. To adjust the attached web strap:
Pull the Web Strap forward or backward through the Buckle Slot to tighten
or loosen.
C. To release the buckle:
Squeeze the Lock Levers on either side of the Receptor. Pull the Tab out of the Receptor.
2. Duo-Lok Quick Connect Buckles:
A. To fasten the buckle:
Insert the Tab into the Receptor until a click is heard.
B. To adjust the attached web strap:
Rotate the Webbing Lock to the Unlocked position. Pull the Web Strap
forward or backward through the Buckle Slot to tighten or loosen. After adjustment, rotate the Webbing Lock to
the Locked position.
;
The Webbing Lock does not affect disengagement of the buckle end. It only controls passage of the excess
web strap through the buckle slot.
C. To release the buckle:
Squeeze the Lock Levers on either side of the Receptor. Pull the Tab out of the Receptor.
3. Tongue Buckles:
Fasten and adjust the Tongue Buckle by passing the Tongue through the Buckle Frame and
inserting the Prong through the desired Grommet in the Tongue.
4. Pass-Through Buckles:
A. Insert the Male Buckle through the slot in the Female Buckle.
B.
Tighten the free strap so that the Male Buckle is flush against the Female Buckle. Secure the free strap in the
Strap Keeper.
3.4
HARNESS ADJUSTMENTS:
harnesses are equipped with a pair of Torso Adjusters for adjusting the Shoulder Straps.
Figure 7 illustrates operation of the Torso Adjusters:
1.
PARACHUTE TORSO ADJUSTERS:
To adjust the Shoulder Straps with the Parachute Torso Adjusters:
A. Adjustment:
Pull on the free strap to tighten the Shoulder Strap. To loosen the Shoulder Strap, pull on the free
strap and then back the strap through the Parachute Adjuster.
B. To secure:
When properly adjusted, secure the free strap in the Strap Keeper.
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Страница 19: ...19 Figure 6 Buckles CLICK A B C A B C A B Figure 7 Adjusters 1 A B 1 2 3 4 ...
Страница 20: ...20 Figure 8 Donning the Harness 1 2 3 4 5 6 Figure 9 Securing Lanyards with Loop Ends A B C ...
Страница 22: ...22 Figure 10 Straight Pin Interface B A C B C Figure 11 Carabiner Interface B A C E B D A B D 1 2 3 1 3 4 2 ...
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