TM-9-2320-428-10
TRUCK, CARGO, 8X8, M977
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-428-10 - Page 272 of 1072
RAISE BOOM TO OPERATING POSITION - Continued
Figure 13.
5.
Move BOOM control lever (5) to UP position simultaneously as required to maintain
the boom (6) at approximately 45 degrees above horizontal until the mast (8) is fully
erect.
6.
Hold MAST control lever (7) to UP position for two to three seconds after mast (8) is
fully erect to ensure cylinders are fully filled with oil.
7.
Operate crane with manual controls or remote-control unit. (WP 0043)
ROTATE AND TELESCOPE BOOM
WARNING
•
When using crane on any vehicle, park vehicle clear of all overhead
electrical lines. Keep boom clear of all electrical lines and other
obstacles while operating crane. Failure to comply may result in injury
or death to personnel.
•
Ensure area is clear of personnel prior to moving SWING control
lever. Boom should be swung slowly enough so crane operator has
complete control. If operator cannot see load during operation,
operate crane from REMOTE CONTROL UNIT. Failure to comply
may result in injury or death to personnel.
TM 9-2320-428-10
0042
0042-14
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