16-12.2. NTREDIATE BOOM - REPLACE/REPAIR
This task covers:
Tool Kit, Automotive Mechanics
Lockwashers (6), (13), (21)
Shop Equipment, Automotive
Loctite 242 (App. B, Item 41)
Maintenance, Common #2
Lifting Device (Capacity 2000 lb.)
Cap and Plug Set
Inner boom removed, para.
Hydraulic oil in the system can be under pressure over 3000
psi with the engine OFF. ALWAYS relieve pressure in
hydraulic lines before attempting to remove any component in
the hydraulic system. With the engine OFF and hydraulic
attachments on the ground, move control levers through all
operating positions several times to relieve line pressure.
Relieve pressure in hydraulic oil tank by loosening filler cap
very slowly. Failure to follow these precautions could result in
serious personal injury.
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 failure.
If more than one hydraulic line is removed, identify
lines to assure proper installation. Use suitable
container to catch any hydraulic oil that may drain