Bulldog DC Serie Manuel D'instructions page 17

2.7 Winching Principles
2.7.1 Calculating fleet Angle
To obtain the best wire/synthetic rope service, the direction of
pull will be on a horizontal within ±15 degrees and perpendicular
to the centerline of the winch drum within ±5 degrees. Short pulls
of up to 45 degrees laterally are acceptable; however without
maintaining the proper fleet angle; the rope will pile onto one side
of the rope drum and possibly do damage to the rope or winch.
Re-spool your winch as required.
2.7.2 Recovery Damper
A recovery damper is a safety device designed to help reduce
the possibility of injury or property damage in the event of a
wire rope failure. Place in the middle third of a live rope.
Figure 15.
2.7.3 Snatch Block
An important aid to successful winching is the
use of snatch block, which can be used to
increase the pulling power of a winch or change
the direction of a pull.
A winch double lined with a snatch block creates
a mechanical leverage cutting the effort required
by nearly half.
The use of one snatch block shows an indirect
pull where the vehicle is limited due to unsuitable
ground or obstruction. The pull on the load is
the actual line pull of the winch. If more than one
snatch block is used, they must be located at
least 100 cm (40˚) apart. Figure 16.
CEQUENT
Operation Instructions
PERFORMANCE PRODUCTS, INC. •
™
Figure 14 - Fleet Angle
Roller
Fairlead
Figure 15 - Recovery Damper
Figure 16 - Snatch Block
F3838-00 REV A (3576) 10/14
Snatch
Block
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