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SECTION 3 –
DRIVING YOUR MOTOR HOME
Engine Brake Operation
• Low – Press for normal braking on level or
shallow grades and in-town and city driving.
This shuts down three of the six cylinders when
engaged and provides about 130-hp of braking
power. The switch indicator light will be on.
• High – Press for additional braking on steep
grades and mountain driving. This shuts down
all six cylinders when engaged and provides
about 300-hp of braking power. The switch
indicator light will be on.
• The middle position is Off. The engine brake
is deactivated. Only the chassis air brakes are
active at this setting. The switch indicator light
will be off.
-Typical View
WARNING
Do not use the exhaust brake if road
surfaces are slippery. Using the exhaust
brake on wet, icy, or snow-covered roads
could result in loss of vehicle control,
possibly causing personal injury or death,
or property damage.
Further Information
See your chassis manual in your InfoCase for
more instructions, information, and precautions
on using this feature.
3-14
TAG AXLE SUSPENSION
SYSTEM
®
Freightliner
Chassis
-If Equipped
Your coach may be equipped with a Tag Axle
Suspension System, which is designed to
increase the Gross Vehicle Weight Rating
(GVWR). This system is to be used when the rear
suspension/axle will be loaded to a weight
greater than 20,000 lbs. When certain conditions
arise, air can be exhausted from the air springs to
improve maneuverability or traction on the rear
axle by operating the Tag Axle switch (located on
the driver side trim panel).
Tag Axle Switch
(Located on the driver side trim panel)
-Typical View
Tag Axle Switch Operation
Tag Dump Position
•
Press and Hold switch in the TAG DUMP
position for the Tag Axle air pressure to
remain reduced and maintain the
maneuverability or traction benefit desired.
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