OVERSPEED
LO
W AIR
STA
R
T
CT
I
OFF -
ON
CTI
C
O
N
TR
O
L
L
ER M
O
D
E
L 10
1
CROSS COUNTRY
HIGHWAY
MUD SAND & SNOW
9 MAX SPEED 45 MPH)
(MAX SPEED 30 MPH)
( MAX SPEED 15 MPH)
( MAX SPEED 5 MPH)
EMERGENC
Y
C
HE
C
K
G
AUG
E
S
C
H
E
C
K
E
N
G
I
N
E
AIR
L
O
W
TRA
IL
E
R
A
IR
S
UP
P
L
Y
PA
R
KING
BRAKE
1
2
3
4
Figure 1.
2. Check that engine brake retarder HI/LO switch (2) is in LO (uppermost) position.
NOTE
•
Safety lock on engine brake retarder ON/OFF switch must be
pressed and held before engine brake retarder ON/OFF switch can
be set to ON position.
•
Safety lock on engine brake retarder ON/OFF switch locks switch in
off position only.
3. Press engine brake retarder ON/OFF switch (1) (WP 0018) to ON (lowest) position
for reduced engine braking.
4. Press engine brake retarder HI/LO switch (2) (WP 0018) to HI (lowest) position for
maximum engine braking.
5. Lift foot off the throttle pedal (3). (WP 0012) Engine brake will automatically slow HET
Tractor.
NOTE
Engine brake does not operate below 1000 rpm.
TM 9-2320-360-10 0038
0038-2