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B. TONGUE BUCKLES (FIGURE 8B)
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.
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C. PASS-THROUGH BUCKLES (FIGURE 8C)
1. Engage: Insert the male buckle through the slot in the female buckle. Tighten the harness strap so that the male
buckle is flush against the female buckle.
2. Disengage: Loosen the harness strap so that the male buckle separates from the female buckle. Once separated,
pull the male buckle out through the female buckle.
3. Adjust: 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.
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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.
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B. PARACHUTE ADJUSTERS (FIGURE 9B)
1. Adjust: Turn and hold the adjuster 90 degrees from the harness strap. To shorten webbing, pull down on the
adjustment strap. To lengthen webbing, pull upwards on the adjuster.
2. Store: Place the strap keeper at the end of the adjustment strap to secure.
Figure 8A - Quick Connect Buckles
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Figure 8B - Tongue Buckles
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Figure 8C - Pass-Through Buckles
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Figure 9A - Revolver Adjusters
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