NOTE: Due to the precise tolerances of diesel injection systems,
it is extremely important that fuel be kept clean and free of dirt
or water. Dirt or water in the system can cause severe damage to
both the fuel pump and the fuel injector. Fuel additives for
lubricity are not recommended. There are numerous diesel fuel
additives to help remove moisture from fuel, prevent microbe
growth and to prevent freeze-up during cold weather. Any fuel
additives product should show supporting data for performance
and benefits. Engine failures caused by incorrect fuel are not
covered under warranty.
Auxiliary braking devices are devices designed to supplement your stan-
dard wheel braking system. The devices are not designed to stop the
motorhome completely. The proper use of an auxiliary braking device can
save in costly service brake repairs. The braking devices will assist in con-
trolling the motorhome speed.
The Exhaust Brake system, used routinely at normal exhaust operating
temperatures, is virtually maintenance free. Some contributing causes which
can result in failures with the exhaust brake include moisture, dirt, carbon
and improper usage.
Starting the engine and idling for short periods of time is not recommend-
ed. Moisture is created within the engine and the exhaust system during cold
startups. When normal operating temperatures are not obtained moisture may
get trapped in the valve housing resulting in rust, leading to insufficient oper-
ation of the exhaust brake.
Some problems you may encounter with the exhaust brake include, but
are not limited to, will not activate or deactivate, intermittent on/off opera-
tions or actuates with the switch off. These are commonly related to electri-
cal symptoms. Slow operations or delays in operations, as well as limited
performance, are mechanical symptoms. You should refer these problems to
your dealer for diagnosis.
Pac Brake exhaust retard is such an auxiliary braking device attached
directly to engine turbocharger. The Pac Brake is activated when dash switch
is "ON" and throttle is "RELEASED." While driving with cruise control on,
it will require tapping service brakes to disengage cruise control. Pac Brake
foot switch will not disengage cruise control. A valve inside brake then
moves to restrict flow of exhaust gases, causing an increase of back pressure
within engine.
Increased back pressure quickly slows down engine, resulting in powerful
braking performance. Amount of braking power you will develop when Pac
Brake is on is relevant to engine speed (RPM). Higher RPM will have more
retarding power. Certain conditions may require down shifting to generate
adequate RPM for maximum retarding.
Chassis Information
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
WINDSOR
10•286
BRAKE - ENGINE
BRAKE - EXHAUST
(ISC Engine)
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