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Figure 8A - Quick Connect Buckles
B. DUO-LOK QUICK CONNECT BUCKLES (FIGURE 8B)
1.
Engage:
Insert the tab into the receptor. You should hear a click when the buckle is secured.
2.
Disengage:
Squeeze the lock levers on either side of the receptor. Pull the tab out of the receptor.
3.
Adjust:
Unlock the webbing lock, then turn and hold the buckle 90 degrees from the harness strap. To shorten
webbing, pull down on the adjustment strap. To lengthen webbing, pull upwards on the buckle.
;
The webbing lock only restricts harness strap adjustment. It does not prevent buckle disengagement.
Figure 8B - Duo-Lok Quick Connect Buckles
C. TONGUE BUCKLES (FIGURE 8C)
1.
Engage:
Insert the tongue through the buckle frame. Insert the buckle tab through one of the tongue grommets,
then insert the tongue through the strap keeper to secure.
2.
Disengage:
Remove the tongue from the strap keeper. Pull back on the tongue while also pulling back on the
buckle tab, until the two are released. Remove the tongue from the buckle frame.
3.
Adjust:
Secure the tab through different grommets to adjust fit. Move the tab inward to tighten, out to loosen.
Figure 8C - Tongue Buckles
3.7
USING THE ADJUSTERS:
3M Harnesses are equipped with a pair of adjusters for modifying the shoulder straps. See
Figure 9 for reference. See Figure 1 for which adjuster types are on your harness.
A. REVOLVER ADJUSTERS (FIGURE 9A)
1.
Tighten:
Rotate the ratchet knob towards your body to tighten.
2.
Loosen:
Pull the ratchet knob out, then rotate the knob away from your body to loosen.
Figure 9A - Revolver Adjusters
3.8
INSTALLING A HARNESS-MOUNTED SRD:
Harness-mounted SRDs are secured directly to harnesses by means of a
harness interface. Harness interfaces are a type of connector specially designed for this purpose. In general, there are
two types of harness interface: straight-pin and carabiner. Instructions for each style are provided below.
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2
3
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2
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Summary of Contents for 1402000C
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