JLG 40xxPS Operator Manual - Manual (Page 156)

Section 8 - Additional Checks
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8.4 OUTRIGGER INTERLOCK (4017PS ONLY)
A. Outrigger Interlock System Test
Outrigger interlock system operates in two modes. With outriggers not engaged,
boom angle is limited. With outriggers engaged, boom will raise fully. To check the
system, perform the following:
1. Test system with machine on a level surface and no load.
2. Shift transmission to neutral and engage park brake.
3. Keep outriggers raised and level machine using level in cab.
4. Raise boom until it stops. Boom angle on display should be 60 degrees.
5. Lower boom fully.
6. Engage outriggers on firm terrain while keeping machine level.
7. Raise boom until it stops. Boom angle on display should be 72 degrees.
8. Lower boom fully.
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