2–13
T-375
Table 2–1 Safety Devices
Engine
Unsafe Condition:
Low engine lubricating oil pressure
Safety Switch
Low Oil Pressure Switch (LOP) - Automatic reset
Switch Setting
Opens below 1.27 kg/cm
Unsafe Condition:
High engine cooling water temperature
Safety Switch
Water temperature switch (HWT) - Automatic reset
Switch Setting
Opens at 110°C
Unsafe Condition:
Excessive current draw by the safety relay, fuel heater, water temperature gauge, oil
pressure gauge or total time meter
Safety Switch
Circuit breaker (CB-2) - Automatic reset
Switch Setting
Trips at 30 amps
Unsafe Condition:
Excessive current draw by the electronic governor module
Safety Switch
Fuse 1, 2, 3 (replace)
Switch Setting
Trips at 10 amps
Intake Heater
Unsafe Condition:
Excessive current draw on intake heater circuit
Safety Switch
Circuit breaker (CB-3) - Automatic reset
Switch Setting
Trips at 50 amps
Battery Charger
Unsafe Condition:
Excessive current draw on 12 volt supply circuit.
Safety Switch
Circuit breaker (CB-4) - Automatic reset
Switch Setting
Trips at 50 amps
Unsafe Condition:
Excessive current draw on 460 volt feed circuit
Safety Switch
Fuses BCF3
Switch Setting
Trips at 5 amps
Generator
Unsafe Condition:
Excessive current draw by load
Safety Switch
Circuit breaker (CB1, 460 volt) - Manual reset
Switch Setting
Trips at 26 amps (460 vac)
Voltage Controller
Unsafe Condition:
Excessive current draw on 460 volt feed circuit
Safety Switch
Fuses VCF1, VCF2
Switch Setting
Trips at 5 amps
Summary of Contents for 69UG15
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Page 60: ...T 375 6 2 Figure 6 2 Schematic for 12 VDC Control Circuit 12 VDC Control Circuit ...
Page 61: ...6 3 T 375 Figure 6 3 Schematic High Voltage Circuitry High Voltage Circuitry Receptacle Box ...
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