Oshkosh JLG 1500SJ, Service And Maintenance Manual

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SECTION 4 - BOOM & PLATFORM
4-52 – JLG Lift – 3121262
4.6 JIB
Removal
1. Lower the platform to the ground or onto blocking to
support the weight of the jib.
2. Tag and disconnect the electrical harnesses that run to
the jib. If necessary, loosen the guide block to allow the
harnesses and hoses to move more freely.
3. Remove the jib valve protection plate.
4. Have a container or absorption material ready to catch
residual hydraulic fluid. Tag and disconnect the hydrau-
lic hoses that run from the boom to the jib control valve.
It may be necessary to disconnect additional lines to
gain access to certain fittings. Cap or plug all openings.
5. Unbolt the valve from the boom.
6. Lay the jib control valve aside on the jib. Secure it in
place so it does not fall.