Operating Instructions - Section 32 10/04 OM3215 Page 32-22 B5. High Wheelmotor Temperature (Optional) When this indicator is illuminated and alarm sounds, high wheel motor temperature is indi- cated. Stop truck, place Selector Switch in NEUTRAL and raise engine RPM to high idle for several minutes to cool wheel motors. If indicator does not turn off, notify maintenance person- nel. C5. Motor Blower OFF The motor blower warning light will flash on and off and an alarm will sound if a malfunction occurs in the cooling air circuit for the alternator and motorized wheels. Stop the truck imme- diately and notify maintenance personnel if warning light illuminates.
Damage to electrical components may result without proper ventilation of rotating equipment. D5, E5, A6, B6, C6, D6, E6: NOT USED Not currently used. Reserved for future use or options. Hazard Warning Lights The hazard warning light switch (7) flashes all the turn signal lights. Pressing the bottom side of the rocker switch (toward the triangle) activates these lights. Pressing the top side of the rocker switch (toward the OFF symbol) turns these lights off. Lamp Test Switch The Lamp Test switch (8 ) is provided to allow the operator to test the indicator lamps prior to starting the engine.
To test the lamps, and the warning horn, turn the key switch (1, Figure 32-8) to the RUN position and press the bottom side of the rocker switch for the CHECK po- sition. All lamps should illuminate, except those which are for optional equipment that is not installed. The warning horn should also sound. Any lamp bulbs which do not illuminate should be replaced before operating the truck. Releasing the spring-loaded switch will allow the switch to return to the OFF position.