N5-20 Operator Controls N05056
B4. Manual Backup Lights
The AMBER indicator will illu-
minate when the manual
backup switch is turned on.
C4. Engine Shutdown Timer - 5 Minute Idle
When the engine shutdown
timer switch has been acti-
vated, the indicator light will
illuminate to indicate the shut-
down timing sequence has
started.
D4. Retard Speed Control Indicator
The AMBER light is illuminated
when the RSC switch mounted
on the console is pulled out to
the "On" position.
E4. Check Engine Monitor
This amber “Check Engine”
indicator will illuminate if a mal-
function is detected by the
electronic engine control sys-
tem. If this indicator illumi-
nates, notify maintenance
personnel as soon as possi-
ble.
A5. Not Used
Not currently used. Reserved for future use or
options.
B5. High Wheel Motor Temperature (optional)
When this light is illuminated
and the alarm sounds, high
wheel motor temperature is
indicated. The operator
must stop the truck, place
the Selector Switch in NEU-
TRAL and raise engine
RPM to high idle for several
minutes to cool the wheel
motors.
If the indicator does not turn off, investigate the
cause and repair as required. Refer to Section E for
propulsion system troubleshooting and data retrieval.
C5. Motor Blower Off
The motor blower warning light
will flash on and off and an
alarm will sound when a mal-
function occurs in the cooling
air circuit for the alternator and
motorized wheels. Stop the
truck immediately and notify
maintenance personnel if
warning light illuminates.
Do not operate the truck if the warning light illu-
minates as damage may result without proper
ventilation of rotating equipment.
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