3.
Press the upper or lower half of the intensity
switch (see Fig. 13.5) to select the desired brak-
ing intensity.
Use the intensity switch set at the LOW position
when driving on flat, open stretches of road. If
the service brakes are still required to slow down
on a grade, switch to a higher setting on the
dash switch to maintain constant speed of de-
scent. Grade descent speed should be such that
the service brakes are used infrequently and re-
main cool, thus retaining their effectiveness.
4.
For maximum retarding, maintain the top gov-
erned speed of the engine through the appropri-
ate selection of gears. When shifting gears, the
engine brake will disengage when the clutch
pedal is depressed, then engage when the clutch
pedal is released.
5.
To cancel the engine brake application, press the
lower half of the on/off switch.
06/15/2007
ON/
OFF
ACC/
RES
CNCL
DEC/
SET
MRKR
INT
ENG
BRK
−
+
f462049a
Fig. 13.4, Steering Wheel Switches
ENG
BRK
f610905
05/02/2007
HI
LO
Fig. 13.5, Engine Brake Level Switch
0
1
2
3
02/19/2013 f270164a
0. Off
1. Low
2. Medium
3. High
Fig. 13.6, Engine Brake Positions, Detroit Multifunction
Control
Brake Systems
13.7
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