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Winching
Guide
16.
A kink permanently weakens a wire rope,
even after it is straightened out; kinked
wire rope can fail suddenly and must
not be used. Keep wire rope straight
to avoid kinking the wire rope. The
illustrations below show how a kink forms:
a.
This illustration shows a kink
about to form. At this point
the winch should be
stopped and the wire rope
should be straightened out
to prevent kinking.
b. This wire
rope is kinked.
It is too late to
reverse the
damage at this
point, the wire rope must be discarded.
It is permanently damaged and must not
be used.
c.
This is a kinked wire rope that has
been straightened out. Even though it
has been pulled straight, some wires
in the wire rope are stretched, and
others are severely bent, if not broken.
The unstretched wires will take more
load and can fail suddenly before the
rope reaches its capacity. This wire rope
must be discarded and not be used.
A kink permanently weakens the wire
rope, even after it is straightened
out; kinked wire rope can fail
suddenly and must not be used.
17. Keep children and bystanders
away while operating. Distractions
can cause you to lose control.
18. Stay alert, watch what you are doing
and use common sense when operating.
Do not use a winch while you are
tired or under the influence of drugs,
alcohol or medication. A moment of
inattention while operating winches
may result in serious personal injury.
19. Do not overreach. Keep proper
footing and balance at all times.
This enables better control of the
Winch in unexpected situations.
20.
Hook onto the object using a pulling point,
tow strap or chain. Do not wrap the rope
around the object and hook onto the
rope itself. This can cause damage to the
object being pulled and kink or fray the rope.
21.
Do not use a Recovery Strap while
winching.
They are designed to stretch
and can suddenly whip back towards the
operator during a winching operation.
22. Do not operate the Winch at extreme
angles. Do not exceed the angles
shown in Figure B for a roller fairlead
and Figure C for a hawse fairlead.
45°
45°
15°
15°
Figure B: Roller Fairlead
Maximum Winching Angles
15°
15°
15°
15°
Figure C: Hawse Fairlead
Maximum Winching Angles