7-9
7-9
Before you install radio transmitter/receiver
Before you install radio transmitter/receiver
equipment or tires of a size different from the
equipment or tires of a size different from the
original ones, be sure to consult an authorized
original ones, be sure to consult an authorized
Sterling service facility.
Sterling service facility.
Even
Even
if
if
the
the
ABS
ABS
system
system
fails
fails
and
and
the
the
warn-
warn-
ing light illuminates, the service brakes can still
ing light illuminates, the service brakes can still
stop the vehicle, although brake performance
stop the vehicle, although brake performance
may be reduced under certain conditions. You
may be reduced under certain conditions. You
must, however, drive very carefully on slippery
must, however, drive very carefully on slippery
r
r
o
o
a
a
d
d
s
s
.
.
1
1
U
U
p
p
h
h
i
i
l
l
l g
l g
r
r
a
a
de
de
s
s
Downshift early, before your speed begins to
Downshift early, before your speed begins to
drop. This will minimize the load on the engine.
drop. This will minimize the load on the engine.
On vehicles with automatic transmission, there
On vehicles with automatic transmission, there
are two ways to downshift:
are two ways to downshift:
1. Use the shift selector as usual.
1. Use the shift selector as usual.
2. Press down hard on the
2. Press down hard on the
accelerator pedal.
accelerator pedal.
If you depress the accelerator pedal to maintain a
If you depress the accelerator pedal to maintain a
constant speed when driving uphill, the transmis-
constant speed when driving uphill, the transmis-
sion may shift down, increasing the engine speed.
sion may shift down, increasing the engine speed.
2
2
Do
Do
wn
wn
hi
hi
ll
ll
gr
gr
ad
ad
es
es
Before driving down a long or steep downhill
Before driving down a long or steep downhill
grade, test the service brakes and exhaust
grade, test the service brakes and exhaust
brake to make sure that they are OK.
brake to make sure that they are OK.
Downshift into the same gear used on the uphill
Downshift into the same gear used on the uphill
grade. Use the engine brake and exhaust brake
grade. Use the engine brake and exhaust brake
to help slow the vehicle. Never drive downhill at
to help slow the vehicle. Never drive downhill at
high speeds.
high speeds.
On vehicles with automatic transmission, do not
On vehicles with automatic transmission, do not
leave the shift selector in “D” (drive). This will
leave the shift selector in “D” (drive). This will
not provide enough engine braking, and will
not provide enough engine braking, and will
cause the vehicle to speed up too much. Lock
cause the vehicle to speed up too much. Lock
out the overdrive (turn the overdrive lockout
out the overdrive (turn the overdrive lockout
switch OFF) and shift down to “3” or “2” depend-
switch OFF) and shift down to “3” or “2” depend-
ing on grade. Use the service brakes to control
ing on grade. Use the service brakes to control
vehicle speed.
vehicle speed.
On slippery roads, avoid sudden engine braking
On slippery roads, avoid sudden engine braking
since this could cause a skid.
since this could cause a skid.
WARNING
WARNING
If the tires slip with the exhaust brake work-
If the tires slip with the exhaust brake work-
ing, the ABS will start to function and the
ing, the ABS will start to function and the
exhaust brake will be temporarily deacti-
exhaust brake will be temporarily deacti-
vated. To prevent injury accidents or loss of
vated. To prevent injury accidents or loss of
life, always slow down before entering a
life, always slow down before entering a
curve.
curve.
On uphill and downhill grades
On uphill and downhill grades
Z11320
Z11320
https://www.besttruckmanuals.com/