Banks Power Chevy_GMC Trucks: Duramax LLY (Diesel ’04 - 05 6.6L) Speed Control- Banks Brake w_ Switch - Manual (Page 17)

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Section 3
BANkS BRAkE oPERATIoN
The Banks Brake has five (5) operating
settings; HIGH, MED (medium) , LOW,
OFF and FB (Foot Brake Activation). See
Figure 14.
OFF mode allows the vehicle to behave
as if the Banks Brake is not present.
When the selector switch is turned
to the LOW, MED, or HIGH settings,
the Banks Brake will activate and will
downshift the transmission and adjust
the turbocharger vanes, resulting in a
braking effect that slows your vehicle
to 15 mph.
HIGH strength achieves the highest
level of braking force by aggressively
downshifting the transmission and
closing the turbocharger vanes.
This setting is recommended for
heavily loaded vehicles or whenever
aggressive braking is desired.
MED (medium) strength achieves
a moderate level of braking force
by slightly delaying transmission
downshifts. This setting is
recommended for moderately loaded
vehicles.
LOW strength setting achieves a
lower level of braking force and is
recommended for lightly loaded or
unloaded vehicles. The LOW setting
may also be used for daily driving.
CAUTIoN: Using the HIGH setting
with a lightly loaded vehicle
will result in VERY aggressive
braking. Become familiar with the
characteristics of the Strength
Settings before encountering
slippery road conditions,
including rain, snow and icy.
Foot Brake Activation
When Foot Brake Activation is selected
the Banks Brake will only activate when
the foot brake is applied. In this setting
the Brake will apply the highest level of
braking force to assist in slowing the
vehicle.
To Enable Foot Brake Activation, turn
the Brake selector switch to the Foot
Brake Activation (FB) level. To Disable,
turn the switch to any other desired
level.
CAUTIoN: Your Banks Brake is
NoT a substitute for the hydraulic
brakes on your truck. The device
will not correct or compensate
for improperly maintained
hydraulic brakes. Also, please
be aware that your Banks Brake
is not designed to be used as a
parking brake or to bring your
vehicle to a complete stop. Your
Banks Brake is a supplementary
braking system designed to help
you slow down or to assist you
in maintaining a more constant
speed when descending a grade.
Remember that Banks Brake is
first and foremost a preemptive
device and is most efficient when
used to help prevent, rather than
correct, a vehicle over speed
situation.
Figure 14: Banks Brake Selector
Switch Guide