Volvo VNL Operator's Manual page 62

Additional Safety Features 57
Check to make sure that the D-loop web
guide is rotating properly. If the guide is
not rotating properly, the webbing will pull
at the wrong angle through the guide, ac-
celerating wear.
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If equipped, check the comfort clip for
cracks or possible damage. Make sure that
it works properly.
Check the buckle by inserting the latch and
verifying proper operation. Determine if the
latch plate is worn or deformed. Check the
buckle and latch casing for cracks or
breakage.
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