INNER BOOM MAINTENANCE - CONTINUED
Wipe the area clean around all hydraulic connections to be opened during removal and disassembly. Cap oil
lines and plug holes after removing lines. Contamination of the hydraulic system could result in premature
If more than one hydraulic line is to be removed, identify lines to assure proper installation. Use suitable
container to catch any hydraulic oil that may drain from system.
Combined weight of outer boom weldment and boom extend cylinder is approximately 1,500 lb (680
Count and record number of turns nut is loosened in step 1.
Loosen, but do not remove nut (1) on underside of
outer boom (2) to relieve tension on extended chain