Engine Operation; Starting Procedure - JLG 1850SJ Operation And Safety Manual

4.4

ENGINE OPERATION

NOTE: When operating a machine at high altitudes, a decrease in
machine performance may occur due to a decrease in air den-
sity.
NOTE: When operating a machine at high ambient temperatures, a
decrease in machine performance and an increase in engine
coolant temperature may occur.
NOTE: Contact JLG Customer Service for operation under abnormal
conditions.
NOTE: Initial starting should always be per-
formed from the Ground Control con-
sole.
3121618

Starting Procedure

IF ENGINE FAILS TO START PROMPTLY, DO NOT CRANK FOR AN EXTENDED TIME.
SHOULD ENGINE FAIL TO START AGAIN, ALLOW STARTER TO "COOL OFF" FOR 2-3 MIN-
UTES. IF ENGINE FAILS AFTER SEVERAL ATTEMPTS, REFER TO ENGINE MAINTENANCE
MANUAL.
NOTE: After turning on ignition, operator must wait
until glow plug indicator light goes out
before cranking engine.
1. Turn key of Platform/Ground Select switch to
the Ground position.
2. Pull the Power/Emergency Stop switch out.
3. Push the Engine Start switch until engine
starts.
– JLG Lift –
SECTION 4 - MACHINE OPERATION
4-7