ALT - DC Charging Alternator
ALR - Alarm Relay (General Alarm)
ALMR - Alarm Mute Relay
AR - Arming Relay
AM - AC Ammeter
BV - Battery Voltage
CB - Circuit Breaker
DCV - DC Voltmeter
FCS - Fuel Control Solenoid
FCR - Fuel Control Relay
FM - Frequency Meter
G - AC Generator
h - Hour Meter
HC - Heater Contactor
HM - Hour Meter
HZ - AC Frequency Meter
I/P - Input
MV - Motorized Valve
O/L - Overload Contactor
OPG - Oil Pressure Gauge
OPSU - Oil Pressure Sending Unit
PC - Pump Contactor
PR - Pump Relay
PS - Pinion Solenoid
SF1 - Spare Fault 1
S1 - Engine Oil Pressure Sender
S2 - Engine Coolant Temperature Sender
SATS - Start Aid Temperature Switch
SAS - Starting Aid Switch
SASV - Start Aid Solenoid Valve
SM - Starting Motor
SMMS - Starting Motor Magnetic Switch
ST - Shunt Trip
WTG - Water Temperature Gauge
WTSU - Water Temperature Sending Unit
-VE - Battery Negative
+VE - Battery Positive
VM - AC Voltmeter