JLG G6-23A Operator Manual - Manual (Page 91)

Section 6 - Emergency Procedures
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Engine Failure
In the event of total loss of engine power or hydraulic pump failure with an elevated
load, the situation must be properly evaluated and dealt with on an individual basis.
Contact JLG Industries or your local Authorized Distributor for specific
instructions.
Secure the telehandler using the following procedures:
1. Clear the area around telehandler of all personnel.
2. Engage the parking brake. Place the transmission control lever in “NEUTRAL”.
3. Block all four wheels.
Section off a large area under the boom with string or tape to restrict any personnel
from entering this area.