JLG 4017PS Operator Manual - Manual (Page 81)

Section 4 - Operation
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SECTION 4 - OPERATION
4.1 ENGINE
Note: Refer to Engine Operation & Maintenance Manual for additional information.
Starting the Engine
This machine can be operated under normal conditions in temperatures of -20°C to
48°C (0°F to 118°F). Consult JLG for operation outside this range or under abnormal
conditions.
1. Make sure all controls are in “Neutral” and all electrical components (lights,
heater, defroster, etc.) are turned off. Apply park brake.
2. If equipped for platform, pull the power/emergency stop switch up.
3. Turn ignition switch to position I. If active, enter anti theft code.
4. Turn ignition switch to position II and wait for engine preheat indicator on
instrument panel to go out.
5. Turn ignition switch to position III to engage starting motor. Release key
immediately when engine starts. If engine fails to start within 20 seconds,
release key and allow starting motor to cool for a few minutes before trying
again.
6. After engine starts, observe engine oil pressure indicator. If indicator remains on
for more than five seconds, stop engine and determine cause before restarting
engine.
7. Warm up engine at approximately 1/2 throttle.
Note: Engine will not start unless transmission is in “Neutral” and park brake is
applied.
WARNING
UNEXPECTED MOVEMENT HAZARD. Always ensure that transmission is in
neutral and the service brake is applied before releasing park brake. Releasing
park brake in either forward or reverse could cause the machine to move
abruptly.
WARNING
ENGINE EXPLOSION. Do not spray ether into air intake for cold weather
starting.