JLG 4017 Eccupped for Platform Operator Manual - Manual (Page 124)

Section 7 - Additional Checks
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7.2 EMERGENCY RECOVERY SYSTEM TEST
The Emergency Recovery System (ERS) is available in case of emergency, engine
or hydraulic failure. To check this feature, perform the following:
1. Perform “Shut-Down Procedure” on page 3-4.
2. Make sure the emergency stop switch in the cab is not depressed.
3. Open the engine cover.
4. Push the enable button on the ERS control panel and verify the green light
illuminates.
5. While depressing the enable button rotate the lift/lower then the extend/retract
switches briefly to ensure proper operation.
6. Close and secure the engine cover.
If any function does not operate properly, the machine must be removed from
service and repaired before continued operation.
8
OW1150 OZ1500
ERS