(
Fig. 5.27
, position 1, 2, or 3). This mode engages
one of the engine brake levels, depending on the
lever position. The vehicle will decelerate at a con-
stant rate until the vehicle comes to a stop, unless
throttle applied to override the deceleration, or the
lever is moved to "engine brake off" (position 0).
Moving the lever to position 0 resumes the previously
set cruise control speed.
Dash-Mounted Brake Controls
NOTE: See
Chapter 13
for detailed information
about brake systems.
Parking Brake Control Valve
NOTICE
Do not step on the service brake pedal while the
parking brakes are applied. To do so can cause
damage to the brake mechanisms.
The yellow diamond-shaped knob operates the park-
ing brake valve. See
Fig. 5.28
. Pull the knob out to
apply both the tractor and the trailer spring parking
brakes. Push the knob in to release the tractor spring
parking brakes. Before the spring parking brakes can
be released, the air pressure in either air brake sys-
tem must be at least 65 psi (447 kPa).
If the trailer is not equipped with spring parking
brakes, pull the parking brake valve out to apply the
tractor parking brakes and the trailer service brakes.
Trailer Air Supply Valve
The red octagonal-shaped knob operates the trailer
air supply valve, which charges the trailer air supply
system and releases the trailer spring parking
brakes. See
Fig. 5.28
.
After the vehicle and its air hoses are connected to a
trailer and the pressure in the air system is at least
65 psi (447 kPa), push the trailer air supply valve
knob in (and leave it in) to charge the trailer air sup-
ply system and release the trailer spring parking
brakes. Pull the trailer air supply valve out before
0
1
2
3
02/19/2013
f270164a
0. Resume cruise control set speed.
1, 2, 3. Descent Control maintains set speed.
Fig. 5.26, Descent Control Mode Positions, Detroit
Multifunction Control
0
1
2
3
02/19/2013
f270164a
0.
Resume cruise control
set speed.
1.
Low
2.
Medium
3.
High
Fig. 5.27, Deceleration Mode Positions, Detroit
Multifunction Control
f610291
1
2
03/10/99
1.
Trailer Air Supply Valve (red knob)
2.
Parking Brake Control Valve (yellow knob)
Fig. 5.28, Brake Valve Control Knobs
Driver Controls
5.14
Summary of Contents for cascadia
Page 1: ...Driver s Manual CASCADIA Part Number STI 478 Publication Number STI 478 6 ...
Page 106: ...9 Cab Features Windows 9 1 Mirrors 9 1 Cab Amenities 9 1 Sleeper Amenities 9 2 ...
Page 163: ...16 Drive Axles Differential Locks 16 1 Two Speed Drive Axles 16 2 ...
Page 167: ...17 Steering System Power Steering System General Information 17 1 Power Steering Systems 17 1 ...
Page 180: ...19 Trailer Couplings Air Suspension Dump Valve 19 1 Holland Trailer Coupling 19 1 ...
Page 229: ...26 Specifications Fuses and Relays 26 1 Replacement Bulbs 26 3 Fluids and Lubricants 26 4 ...