2008 FORD F750 Owners Manual

Page 105 of 273

FORD F750 2008 11.G Owners Manual Operation
Push the rocker switch up to turn
the exhaust brake on. The switch
will illuminate in the ON position.
Push the switch down to turn the
brake off.
Starting engine
Before starting the engine,

Page 106 of 273

FORD F750 2008 11.G Owners Manual Note:Engine speed has a major influence of retarding performance.
When engine speed is maintained at the maximum allowable level, the
exhaust brake will operate at peak performance.
The exhaust brake

Page 107 of 273

FORD F750 2008 11.G Owners Manual Note:Installing an exhaust or auxiliary brake does not necessarily
protect the engine from exceeding maximum governed speed. The
primary brakes should be used to never allow the engine to exceed
maxim

Page 108 of 273

FORD F750 2008 11.G Owners Manual TRAILER AIR SUPPLY AND PARKING BRAKE MODULAR
CONTROLS (IF EQUIPPED)
The trailer air supply valve delivers air to the trailer supply and will
automatically pop out, shutting off the trailer supply if p

Page 109 of 273

FORD F750 2008 11.G Owners Manual The parking brake (2–yellow knob) can now be pushed in and supply air
to the tractor spring brakes, releasing them.
Normal driving position
With both knobs pushed in, air is then supplied to both tr

Page 110 of 273

FORD F750 2008 11.G Owners Manual System park
With both knobs pushed in (normal driving position), the parking brakes
for both the tractor and trailer can be applied by pulling the parking
brake knob (2) out, exhausting air from the t

Page 111 of 273

FORD F750 2008 11.G Owners Manual Automatic application
If both knobs are pushed in and the brake system air pressure is reduced
to approximately 35 psi (249 kPa), the trailer air supply (1) knob will
automatically pop out applying th

Page 112 of 273

FORD F750 2008 11.G Owners Manual ANTI-LOCK BRAKE SYSTEM (ABS)
A noise from the hydraulic pump motor and pulsation in the pedal may
be observed during ABS braking events. Pedal pulsation coupled with
noise while braking under panic co