TM-9-2510-247-13-P
FIFTH WHEEL TOWING DEVICE MODEL 250M
TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT MAINTENANCE MANUAL, REPAIR PARTS AND SPECIAL TOOLS LIST
JULY 2004
TM-9-2510-247-13-P - Page 13 of 522
WARNING
HYDRAULICS
Ensure hydraulic protection valve is open (breather switch inline with breather) prior to operating hydraulics.
Failure to comply could cause injury or death to personnel or damage to equipment.
High pressure is present in the 250M Fifth Wheel Towing Device hydraulic system. Do not disconnect any
hydraulic system component unless hydraulic system pressure has been relieved. Ensure each hydraulic
control lever is moved several times through all positions. Failure to comply may result in severe injury or
death to personnel.
Spilled hydraulic oil is very slippery. Be careful when entering or working in area. Wipe up any spilled oil
immediately. Failure to comply may result in severe injury or death to personnel.
While operating or performing maintenance on any hydraulic systems, never place personnel or equipment
in a potentially hazardous position (i.e., between moving parts or under hydraulic supported equipment).
Failure to comply may result in severe injuryor death to personnel.
WARNING
BOOM/MAST OPERATION
DO NOT operate boom until mast is in track. Failure to comply could cause serious injury or death to
personnel or damage to equipment.
Clevises must be installed in mast assembly to prevent mast assembly from disengaging from track. Failure
to comply may cause injury or death to personnel or damage to equipment.
Never let moving wire rope slide through hands, even when wearing gloves.
A broken wire could cut
through glove and cut hand.
Never walk under booms during any operations.
Failure to comply may cause injury or death to personnel.
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