TM 9-2320-293-10
2-2. Cab Floor-mounted Controls.
Figure 2-7. Cab Floor-mounted Foot Controls.
KEY TO FLOOR-MOUNTED FOOT CONTROLS
1
HEADLAMP DIMMER SWITCH
Push all the way down with your foot and release to switch headlamps to high
beam. Push all the way down and release again to dim headlamps.
N O T E
High beam indicator will come on when the headlamps are
working in the high beam position.
2
ENGINE RETARDER FOOT SWITCH
Depress foot pedal which activates the switch to engage engine retarder. Release
foot pedal to disengage engine retarder. The accelerator pedal must be full up
before the foot switch will operate. Select the desired retarding range using the
engine retarder selection switch located on the control panel.
3
SERVICE BRAKE PEDAL
Push down with your foot to apply service brakes on your truck. If your truck
is properly coupled to a trailer, the trailer service brakes will also be applied
when you use your truck’s service brake pedal.
4
ACCELERATOR PEDAL
Push down gradually with your foot to start truck moving or to increase
engine speed.
TA 236650
2-19
