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