Caution: This document contains mixed page sizes ... - Igor Chudov

AC .AMMETERS
WATER TEMPERATURE GAU EMOTE HEATER WITCH
Cranking Limiter: Some systems have a thermally
activated device that limitscranking 45 to 90seconds
depending on ambient temperature. A red pushbut-
ton popsout and cannot be reset until one minute has
elapsed. Other solid state systems (DTA) limit crank-
Ing to 45-75 seconds before energizing a fault relay.
The relay stops the cranking function and turns on a
red Overcrank lamp.
Running Time Metec Registers the total number of
hours, to I/lOth that the unit has run. Use it to keep a
record for periodic servicing. Time is accumulative;
meter cannot be reset.
Frequency Meter: Indicates the frequency of the
generator output in hertz. It can be used to check
engine speed. (Each hertz equals 30 rpm.)
Wzrning Lights: Indicator lights are used on some
controls to give warning of:
UN-STOP SWITCH
FIGURE 71. TYPlCAL RAMATOR-COOLED SET CONTROL PANEL
56
set failed to start
Overspeed
Low oil pressure
Pre low oil pressure
Low engine temperature
High engine temperature
Pre high engine temperature
Overcrank
Start switch in Off position
Reset pushbuttons orswitches permit restarting after
,trouble is corrected.
Line Circuit Breaker: Protects generator from line
overloads.
Water Temperature Gauge: Indicates temperature of
circulating coolant in engine. (Wired to a sensor unit
located on the engine.)
.)