Engine Operating States - JLG H340AJ Service And Maintenance Manual

SECTION 3 - CHASSIS & TURNTABLE

3.11 ENGINE OPERATING STATES

The Engine Operating State is determined by the Ground
Module. There are four different Engine Operating States
which include;
• Engine Stopped
• Engine Cranking
• Engine Starting
• Engine Running
NOTE: Refer Operation and Safety Manual for engine starting
procedure.
ENGINE
STOPPED
(RPM greater than
1700 for 1/4 second)
(RPM = 0 for 2 seconds)
ENGINE
RUNNING
3-50
(Engine Starter Engaged
& Engine RPM greater than 0)
(Engine RPM = 0 for 1/2 second
(RPM greater than 1700 for 1/4 second)
(RPM greater than 1700 for 1/4 second)
Figure 3-27. Engine Operating State Diagram
ENGINE
CRANKING
)
( Engine RPM greater than
1200 for 1/4 second )
(RPM = 0 for 1/2 second)
ENGINE
STARTING
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