TM 5-3805-262-10
IGNITION KEY SWITCH. Four position key switch controls power to all vehicle elec-
trical circuits.
DIMMER COMPT LIGHTS CONTROL. Rheostat. Controls brightness of left instrument panel
cluster illumination lamps, voltmeter gage illumination lamp, and cab dome light.
5 AMP CIRCUIT BREAKER (A). Resettable circuit breaker. Protects auxiliary steering
circuit, air brake pressure switch and buzzer, gages, warning lights, and voltmeter,
cab relay solenoid, and electric fuel pump.
5 AMP CIRCUIT BREAKER (B). Resettable circuit breaker. Protects return-to-dig and
bucket height control circuits.
c. Warning Indicators.
BRAKE ENGAGED INDICATOR. When lit, indicates either parking brake is engaged or
brake system air pressure is too low for safe loader operation.
ENGINE OIL PRESS INDICATOR. When lit with engine operating, indicates engine oil
pressure is too low and damage to engine will occur if you continue to operate en-
gine.
CLUTCH PRESS INDICATOR. Will light if declutch treadle valve is pressed with engine
operating, if transmission converter oil pressure is too low, or if parking brake is
engaged. If transmission converter oil pressure is too low, continued loader opera-
tion will damage transmission.
AIR PRESSURE WARNING ALARM. Sounds when brake system air pressure is too low for
safe loader operation.
HYDRAULIC FILTER INDICATOR. When lit, indicates hydraulic filters (steering and hy-
draulic system) require replacement.
AUXILIARY STEERING BUZZER AND INDICATOR. Buzzer sounds and indicator lights warning
operator that hydraulic pump has failed and auxiliary steering system has been ener-
gized and is now operating.
If this happens, you must stop loader operation and no-
tify next higher maintenance level.
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