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MODEL 220
HYDRAULIC
IMPACT HAMMER
VI.
ELECTRICAL CIRCUITRY
H. ELECTRICAL COMPONENTS LIST
NOTATION
ALTERNATOR
AMMETER
BATTERY
CLAMP LIGHT
CLOSE SOL.
EMERG STOP
ENGINE OIL PRESS
ENGINE WATER TEMP Engine water temperature
ENG. START SW.
FORWARD
FUEL SOL
HOUR METER
HYD. FLUID COLD
LOCAL-REMOTE
M
MAIN POWER
OIL PRESSURE
OPEN-CLOSE
OPEN SOL.
PS
REVERSE
SHUTDOWN RESET
START MOTOR
START RELAY
TACH
TACH SENDER
TEMP SWITCH
THROTTLE
REFERENCE
Battery charging alternator
Ammeter
12-volt battery
Clamp closed light (Vibro only)
Close-clamp solenoid
Emergency stop button
Engine oil pressure switch and gage
switch and gage
Engine start switch
Hammer start solenoid
Fuel valve solenoid
Hour Meter
Hydraulic oil warning
Local/remote switch
Engine throttle actuator
Main power circuit breaker
Oil pressure gage-switch
Clamp switch
Open-clamp solenoid
Pressure Switch
Vibrator stop solenoid (Auger only)
Engine Saftey Shutdown
Engine starter
Engine start relay
Tachometer gage
Tachometer flywheel pickup
Temperature switch
Engine throttle switch
VI-6
PART NUMBER
See Caterpillar Parts Book
110371
400890
110147
130507
100329
130251
130259
400786
See Caterpillar Parts Book
100343
100355
140361
110246
400141
100329
130155
130033
810033
400786
130257
See Caterpillar Parts Book
See Caterpillar Parts Book
130953
130959
400115
100566
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