TABLE OF CONTENTS
SECTION 1 DESCRIPTION AND SPECIFICATIONS
Introduction………………………………………………………………… 1-1
IC-250-3E Dimensions……………………………………………………. 1-2
Turning Dimensions………………………………………………………. 1-3
Description and Specification……………………………………………. 1-4
SECTION 2 OPERATION
Safety Rules……………………………………………………………….. 2-1
Crane Conditions……………………………………………… 2-1
Lifting…………………………………………………………… 2-3
Travel…………………………………………………………… 2-6
Instruments and Controls………………………………………………… 2-8
Control Functions……………………………………………… 2-9
Four-Wheel Steer operation…………………………………. 2-9
Sequence of Operation…………………………………………………… 2-10
Driving the Vehicle…………………………………………….. 2-10
Operating the Crane………………………………………….. 2-10
Normal Gauge Reading………………………………………. 2-10
Rated Capacity Limiter………………..……………………… 2-11
Crane Capacity…………………...……………..……………………...… 2-12
Crane Capacity Chart IC-250-3E……………………………. 2-14
Capacity Example…………………………………………….. 2-15
Sheave Block and Downhaul Weight……………………………………. 2-16
Two-Part Line Reaving……………………………………………………. 2-17
Four-Part Line Reaving…………………………………………………… 2-17
Safety Devices…………………………………………………………….. 2-18
Outrigger Check Valve……………………………………….. 2-18
Boom Cylinder Holding Valve………………………………… 2-18
Telescope Cylinder Holding Valve…………………………… 2-18
Hoist Brake and Holding Valve……...………………………… 2-18
Anti-Two-Block System……………………………………….. 2-18
Optional Equipment……………………………………………………….. 2-19
Installing and Stowing Boom Extension…………………….. 2-19
Setting the Angle on the Offsettable Boom Extension....….. 2-20
Capacity Example for Boom Extension……………………… 2-21
Front Auxiliary Winch………..……….……………………….. 2-22
Pintle Hooks...……………..………………………………….. 2-23
Switch and Indicator Symbols…………………………………………….. 2-24
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