JLG 660SJ Operator Manual User Manual
Page 53

SECTION 3 - MACHINE CONTROLS AND INDICATORS
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– JLG Lift –
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6. Glow Plug/Wait to Start Indicator
Indicates the glow plugs are operating.
After turning on ignition, wait until light goes
out before cranking engine.
NOTE: Refer to Fuel Reserve/Shut-Off System in Section 4 for
more detailed information concerning the Low Fuel Indi-
cator.
7. Low Fuel Indicator (Yellow)
Indicates the fuel tank is 1/8 full or less.
When the light first turns on, there are
approximately four usable gallons of fuel
remaining.
8. System Distress Indicator
The light indicates that the JLG Control
System has detected an abnormal condi-
tion and a Diagnostic Trouble Code has
been set in the system memory. Refer to the Service
Manual for instructions concerning the trouble codes
and trouble code retrieval.
9. AC Generator (If Equipped)
Indicates the generator is in operation.
10. Drive Orientation Indicator
When the boom is swung beyond the rear
drive tires or further in either direction, the
Drive Orientation indicator will illuminate
when the drive function is selected. This is a signal for
the operator to verify that the drive control is being oper-
ated in the proper direction (i.e. controls reversed situa-
tions).
11. Creep Speed Indicator
When the Function Speed Control is turned
to the creep position, the indicator acts as a
reminder that all functions are set to the
slowest speed.