OM3241 Operation - Section 32 Operator Cab and Controls Page 32-13 Key switch (1, Figure 32-10) is a three-position (OFF, RUN, START) switch. When the switch is rotated one position clockwise, it is in the RUN position and all electrical circuits (except start) are activated. Key Switch Ladder Light Switch Ladder light switch (4, Figure 32- 10) turns the ladder lights on and off. Pressing the top of the rocker switch turns the lights on. Press- ing the bottom of the switch turns the lights off. Another switch is mounted at the front left of the truck near the base of the ladder.
With the selector switch in neutral, rotate the key switch fully clockwise to the START position, and hold this position until the engine starts. The START posi- tion is spring-loaded to return to RUN when the key is released. With the truck stopped, turn the key switch counterclockwise to OFF for normal engine shutdown. Use the engine shutdown switch on the center console if the engine does not shut off with the key switch. Backup Light Switch NOTE: A ground level shutdown switch is located on the lower, front left side of the truck.
Backup light switch (5, Figure 32-10) allows the backup lights to be turned ON providing added visibility and safety when the selector switch (see operator controls) is not in the REV posi- tion. When the switch is pressed toward the ON posi- tion, manual backup light indicator (B4, overhead panel) will be illuminated. Panel Illumination Lights Panel illumination lights (6, Figure 32-10) provide illu- mination for the instrument panel. Brightness is con- trolled by panel illumination lights dimmer rheostat (28). Engine Shutdown Switch With Timer Delay Engine shutdown switch with timer delay (2, Figure 32-10) is a three-position, rocker-type switch (OFF, ON, MOMENTARY).
Refer to Section 30, Operating Instructions - Delayed Engine Shutdown Procedure. Fog Light Switch Fog light switch (3, Figure 32-10) is used by pressing the top of the rocker switch to turn the lights on. Pressing the bottom of the switch turns the lights off. The fog lights are optional.