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 TM 9-2320-364-34-1
17. BOOM CREEPS DOWN (CONT).
High pressure hydraulics [oil under 3000 psi
(20,685 kPa) pressure] operate this equipment.
Refer to vehicle operator and maintenance
manuals for hydraulic oil pressure. Never
disconnect any hydraulic line or fitting
without first dropping pressure to zero.
Failure to comply may result in injury to
personnel.
Fuel and oil are slippery and can cause falls.
To avoid injury, wipe up spilled fuel or oil
with rags.
Do not work on any item supported only by lift
jacks or hoist. Always use blocks or proper
stands to support the item prior to any work.
Equipment may fall and cause injury or death
to personnel.
NOTE
Use a drain pan to catch leaking hydraulic
oil.
Fluid laying in hose and fitting should drain
quickly and then stop. Hose may drain more
fluid for a longer period of time than fitting.
OPERATION TEST (CONT).
(11) Support boom with lifting device.
(12) Connect hose with preformed
packing fitting.
(13) Remove lifting device from boom.
(14) Operate boom lift cylinders using
BOOM control lever to remove any
air that may be in cylinders.
(15) Place crane in stowed position
(TM 9-2320-364-10).
Continued on next page.
2-630
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