National Crane Published 12-21-2012 Control # 103-06 4-3
1400A OPERATOR’S MANUAL SET-UP
Outrigger Monitoring System (OMS)
(Optional—Standard in North America)
The Outrigger Monitoring System (OMS) aids the operator in
accurately programming the Rated Capacity Limiter (RCL)
by automatically identifying the position of each outrigger
beam. The OMS uses four sensors, one per outrigger beam,
to identify when an outrigger beam is positioned to one of
three pre-defined locations, including fully retracted, mid-
extend, and fully extended.
Set up of the outriggers is the same for cranes equipped with
OMS; refer to Setting the Outriggers, page 4-2.
On cranes with OMS the symbols for the outriggers will
display on the crane’s remote control LCD Display screen
and also on the RCL screen (if equipped), refer to (Figure 4-
2).
If the crane is setup on outriggers and “On Outriggers” is
chosen when programming the RCL, then the OMS indicates
to the RCL the horizontal position of each of the four
outrigger beams. Based on this information, the RCL will
default to the most conservative outrigger beam
configuration (i.e. If three outriggers are fully extended and
one is retracted, the RCL will select retracted as the
outrigger configuration). A confirmation of this configuration
is all that is needed (see Figure 4-2). Refer to the Rated
Capacity Limiter Operator’s Manual for detailed instructions.
JIB SAFETY INFORMATION
1. The anti-two-block switch weight and cord must be
attached to the jib when deployed.
2. Do not lift load with the boom tip when the jib is pinned
on the boom tip.
Startup Graphic
FIGURE 4-2
8131-1
8131-2
Reference Only
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