JLG 4017PS Operator Manual - Manual (Page 179)

Section 8 - Additional Checks
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SECTION 8 - ADDITIONAL CHECKS
8.1 GENERAL
If any of the following test results cannot be achieved, the system is not
functioning properly and the machine must be removed from service and
repaired before continued operation.
8.2 LOAD STABILITY INDICATOR SYSTEM
A. Load Stability Indicator System Test
The Load Stability Indicator (LSI) is intended to continuously monitor the forward
stability of the telehandler. To check this feature, perform the following:
1. Fully retract and level boom, with no load. Do not raise the boom during
this test.
2. Level frame using level in cab (if equipped).
3. Press the system check button on the LSI display. This will cause all LEDs to
flash on and an audible warning to sound. This indicates that the system is
functioning properly.
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