Rbs start, Rbs shutdown, Rbs start -68 rbs shutdown -68 – JLG M400 Service Manual Service Manual User Manual
Page 110: Rbs start rbs shutdown
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SECTION 3 - CHASSIS & TURNTABLE
3-68
– JLG Lift –
3121827
RBS Start
RBS shutdown
Call to start
Manual
48V DC applied to the input
Automatic 1 Low battery voltage (below
48VDC)
2 Low engine temperature
(below 5°C)
3 Low start battery voltage
(below 12.2V)
Engine start time
delay
RBS waits to verify that call to
start is valid (not a transient con-
dition).
Preheat delay
- if engine temperature is below
32°F (0°C)
Crank time
(Rest time)
RBS will crank and rest until
engine starts, or Overcrank fault
is indicated after 3 failed crank
cycles.
Time delay bypass
RBS waits until normal engine
operating conditions are
reached before Low oil pressure
and Underspeed faults are moni-
tored.
Call to start removed Manually
Inhibit run input applied
Automati-
cally:
1 Battery voltage above
54VDC and finish charging cur-
rent below 30ADC
2 Engine temperature above
8°C
3 Start battery voltage above
12.9V and finish charging cur-
rent below 30ADC
Engine run time delay
This period ensures that no fur-
ther call to start conditions
occur prior to cool-down period.
Cool-down period
Alternator output is reduced to a
minimal level to allow the engine
to cool down.