15
3.0 HARNESS USE
3.1
BEFORE EACH USE
of this equipment inspect it according to the
“Inspection and Maintenance Log” (Table 1)
.
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. The following list gives important points to consider when planning your system:
• Anchorage:
Select an anchorage capable of sustaining the Static Load requirements of the intended fall protection
application (see Section 1.1). The anchorage location should address Free Fall, Fall Clearance, Swing Fall, and
Environmental limitations described in Section 1.4.
• Sharp Edges:
Avoid working where system components may be in contact with, or abrade against, unprotected
sharp edges.
• After a Fall:
Components which have been subjected to the forces of arresting a fall must be removed from service
and destroyed.
• Rescue:
The employer must have a rescue plan when using this equipment. The employer must have the ability to
perform a rescue quickly and safely.
• Rescue Harness:
Rescue Harnesses are intended to be worn during normal work activities. Before using rescue
attachment elements for the first time, the user should carry out a suspension test in safe conditions to ensure the
harness is sized and fitted for optimal comfort during suspension.
3.3 BUCKLES:
ExoFit Nex Full Body Harnesses are equipped with a variety of buckles. See Figure 1 for the buckle types on
your ExoFit Nex Harness. Figure 9 illustrates operation of each of the following buckles:
1. Duo-Lok Buckles:
A. To fasten the Duo-Lok Quick Connect 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
C. To release the Duo-Lok Quick Connect Buckle: Squeeze the Lock Levers on each side of the Receptor. Pull the Tab
out of the Receptor.
2. Tongue Buckles:
Fasten and adjust Tongue Buckles by passing the Tongue through the Buckle Frame and inserting
the Prong through the desired Grommet in the Tongue.
3. Pass Thru Buckles:
A. To fasten the Pass Thru Buckle: Insert the Three bar portion of the buckle through the opening in the Two Bar
portion.
B. To tighten the Web Strap, pull the loose web end as illustrated in Figure 9. To loosen the Web Strap, rotate the
buckle as illustrated in Figure.
C. To release the Pass Thru Buckle: Pass the Three bar portion of the buckle back through the opening in the Two Bar
portion.
3.4 ADJUSTMENTS:
ExoFit Nex Harnesses are equipped with a pair of Torso Adjusters for adjusting the Shoulder Straps.
Figure 10 illustrates operation of the Torso Adjusters:
1. Pull Thru Buckles:
To adjust the Shoulder Straps with the Two Bar Torso Adjusters:
A. Pull on the loose web end as illustrated in Figure 10 A to tighten the Shoulder Straps.
B. Rotate the buckle as illustrated in Figure to loosen the Shoulder Straps.
2. Revolver™ Torso Adjusters:
To adjust the Shoulder Straps with the Revolver Torso Adjusters:
A. Rotate the Revolver Ratchet Knobs as illustrated in Figure 10 to tighten the Shoulder Straps.
B. Pull out and rotate the Revolver Ratchet Knobs as illustrated in Figure 10 to loosen the Shoulder Straps.
3. Spring Bar Adjusters:
To adjust the Shoulder Straps with the Spring Bar Adjusters:
A. 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 Spring Bar Adjuster.
B. When properly adjusted, secure the free strap in the Strap Keeper.
3.5
EASY-LINK™ ATTACHMENTS:
ExoFit Nex Full Body Harnesses are equipped with a patented Easy-Link™ System that
integrates the Dorsal D-Ring with attachment elements for Harness-Mounted Self-Retracting Devices (SRDs). Figure 11
illustrates attachment of the following 3M and Protecta Self-Retracting Devices: (A) 3M Nano-Lok™ Edge SRDs, (B) 3M
Twin Nano-Lok™ SRDs, (C) 3M Single Nano-Lok™ SRDs, (D) Protecta Twin Rebel™ SRDs,
(E) 3M Twin Talon™ SRD. Other manufacturers’ SRDs can also be mounted on the ExoFit Nex Harness in similar fashion.
See the SRD manufacturer’s instructions for requirements and installation instructions specific to the SRD.
;
Contact 3M with any questions or concerns regarding compatibility of your SRD with the Easy-Link System.
