Manitowoc Grove RT890E Product Manual page 18

ft ft luffing bi fold boom extension
Mode B intermediate offsettable angles
. ft . ft
ft ft
ft LENGTH
° °
OFFSET OFFSET
Feet
,
,
,
,
,
,
Min. boom
angle for
indicated °
length no
load
Max. boom
length at °
. '
boom angle
no load
LMI operating code. Refer to LMI manual for
operating instructions.
THIS CHART IS ONLY A GUIDE AND SHOULD NOT BE USED TO OPERATE THE CRANE.
The individual crane's load chart, operating instructions and other instructional plates must be read and understood prior to operating the crane.
, lb % ˚
ft spread
Pounds
ft LENGTH
° ° ° ° ° °
OFFSET OFFSET
,
,
,
,
° ° °
. '
A A
NOTES:
. All capacities above the bold line are
based on structural strength of boom
extension and do not exceed % of
tipping loads, in accordance with SAE
J .
. The ft luffing folding boom
extension may be used for single or
double line lifting service. The
luffing folding boom extension may
be used for single line lifting service
only.
WARNING: Lifting with the
ft extension base, with the ft
extension fly either erected or folded
along side of extension base, is
strictly prohibited.
. WARNING: Operation of this
machine with heavier loads than the
capacities listed is strictly prohibited.
Machine tipping with boom
extension occurs rapidly and without
advance warning.
. The loads for luffing depend on the
angle of the main boom, angle of
the boom extension and dynamic
working pressure of the luffing
cylinder for the boom extension.
. Capacities listed are with outriggers
properly extended and vertical jacks
set only.
. When lifting over the main boom
nose with ft or ft extension
erected, the outriggers must be fully
extended or % extended . ft
spread .
ft