TM-9-2320-273-10
TRUCK, TRACTOR, LINE HAUL; LIGHT EQUIPMENT TRANSPORTER; TRUCK CHASSIS; MEDIUM EQUIPMENT TRANSPORTER
TECHNICAL MANUAL; OPERATOR’S MANUAL
DECEMBER 2012
TM-9-2320-273-10 - Page 121 of 452
Table 17. Cab Floor Mounted Controls - Continued.
Key
Control/Indicator
Function
4.
Service Brake Pedal
NOTE
If tractor is coupled to trailer, the trailer service
brakes will also be applied when using the tractor
service brake pedal.
To apply service brakes, place right foot on service
brake pedal and push down in proportion to the
amount of braking force required to stop or hold
tractor from moving.
5.
Engine Retarder
Foot Switch
NOTE
The accelerator pedal must be released to the full up
position before the engine retarder foot switch will
operate engine retarder.
To activate the engine retarder, identify driving
conditions and set the ENGINE RETARDER switch,
located on the control panel, for the amount of engine
braking desired. Release accelerator pedal and depress
floor-mounted foot pedal to engage engine retarder.
Release foot pedal to disengage engine retarder.
TM 9-2320-273-10
0005
0005-23
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