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Diesel Engine Exhaust Brake
The exhaust brake is available on vehicles equipped
with a diesel engine and air brakes (or an air
compressor). It is located in the exhaust system.
The exhaust brake indicator light is on when the exhaust
brake is in use.
The switch is located on
the upper right side of the
instrument panel and turns
the exhaust brake on
and off.
The exhaust brake is used to help slow the vehicle and
may assist the vehicle's foundation brakes. The use of
the exhaust brake will assist the braking of the vehicle
and prolong the life of the foundation brake
lining material.
When using the exhaust brake, the proper gear range
selection is important. The exhaust brake will be most
effective if the gear range selected is the lowest possible
range that does not allow the engine rpm to go more
than 200 rpm above rated (full load) rpm as shown
on the Engine Information Plate. (Do not exceed
2900 rpm.)
The accelerator and clutch pedals must be released in
order for the exhaust brake to engage. Whenever the
exhaust brake is active, the light in the switch will be on.
Do not use the exhaust brake when running the engine at
-
idle during warm
up or other extended periods.
Prolonged use of the exhaust brake during idling will
cause the engine to overheat.
2-17
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