Boom
3-20
31211015 6036, 6042, 8042, 10042, 10054
7. Remove the remaining wear pads, shims and hardware.
Label and tag each set of wear pads being removed.
8. Inspect all wear pads for wear. Refer to Section 3.8,
“Boom Wear Pads”
.
9. At the underside of the second boom section, remove
the locknut (19) from the retract chain clevis. Pull the
retract chain out of the boom through the rear of the
boom.
3.6.4 First Boom Section Removal
1. Attach a suitable overhead lifting device and sling to
the Lift/Lower cylinder, and remove slack in the sling.
2. Securely support the first boom section.
3. Remove all wear pads, shims and hardware. Label and
tag each set of wear pads being removed.
4. At the underside of the boom, remove the retract chain
locknut (20). Measure the amount of threads protruding
beyond the locknut and record the measurement for
reassembly of the chain.
5. Remove the retract chain by pulling it out the rear of the
boom.
6. Label, disconnect and cap the attachment tilt and
auxiliary (if equipped) hydraulic hoses on the mounting
plate (21).
7. Label, disconnect and cap the attachment tilt and
auxiliary (if equipped) hydraulic tubes from the
bulkhead fittings.
8. Label, disconnect and cap the Extend/Retract hydraulic
hoses from the bulkhead fittings.
9. Label, disconnect and cap the Extend/Retract hydraulic
tubes (22) from the bulkhead fittings. Remove the tube
clamps (23).
10. Label, disconnect and cap the hydraulic hoses attached
to the compensation cylinders (24).
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