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Page Title: CRANE DOES NOT SWING OR SWINGS SLOWLY. (Cont)
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TM 9-2320-364-34-1
8. CRANE DOES NOT SWING OR SWINGS SLOWLY (CONT).
High pressure hydraulics [oil under 3000 psi (20,685 kPa) pressure] operate this equipment. Refer to
S
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.
S
NOTE
Use a drain pan to catch leaking hydraulic oil.
PRESSURE TEST (CONT).
(8) Set crane POWER switch to
OFF position.
(9) Set hydraulic selector switch to OFF
position.
(10) Turn OFF ENGINE switch.
(11) Disconnect pressure gage from
elbow. Discard preformed packing.
(12) Disconnect two adapter hoses from
swing motor valve and crane hoses.
Discard preformed packings.
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