TM-9-2320-428-10
TRUCK, CARGO, 8X8, M977
TECHNICAL MANUAL; OPERATOR'S MANUAL
JUNE 2009
TM-9-2320-428-10 - Page 292 of 1072
ROTATE AND TELESCOPE BOOM - Continued
•
When telescoping (extending) the boom, the TELESCOPE and
HOIST control levers should be operated at the same time to keep
hook block at least 2 ft. (0.61 m) from end of boom.
•
Crane movement from one lever may be slower than other when
operating two levers together.
3.
Move TELESCOPE control lever (3) to OUT position to extend boom (2) and move
HOIST control lever (4) to DOWN position to pay out cable (5).
Figure 5.
CAUTION
•
Do not go over maximum load rating as shown on RANGE
DIAGRAM. Going over load rating could cause damage to
equipment.
•
When operating Grove crane, raise boom to approximately 60° angle
to pick up maximum load or equipment could be damaged.
4.
Refer to RANGE DIAGRAM (6) on turntable panel (7) to raise boom (2) to correct
angle before connecting load.
TM 9-2320-428-10
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