5669 (supersedes 5581)-0114-L9 1 Technical Data Specifications & Capacities Crawler Crane 300 Ton (272.16 metric ton) CAUTION: This material is supplied for reference use only. Operator must refer to in-cab Crane Rating Manual and Operator's Manual to determine allowable crane lifting capacities and assembly and operating procedures. Link‐Belt Cranes 348 HYLAB 5 5669 (supersedes 5581)-0114-L9 348 HYLAB 5 Link‐Belt Cranes 5669 (supersedes 5581)-0114-L9 Table Of Contents Upper Structure ............................................................................ 1 Frame .................................................................................... 1 Engine ................................................................................... 1 Hydraulic System .......................................................................... 1 Load Hoist Drums ......................................................................... 1 Optional Front-Mounted Third Hoist Drum................................................... 2 Boom Hoist Drum .......................................................................... 2 Boom Hoist System ........................................................................ 2 Swing System ............................................................................. 2 Counterweight ............................................................................ 2 Operator's Cab ............................................................................ 2 Rated Capacity Limiter System .............................................................. 2 Machinery Cab ............................................................................ 2 Catwalks ................................................................................. 2 Lower Structure ............................................................................ 3 Carbody .................................................................................. 3 Side Frames .............................................................................. 3 Travel and Steering ........................................................................ 3 Jack System .............................................................................. 3 Carbody Counterweight .................................................................... 3 Attachment and Options .................................................................... 4 Heavy Duty Boom ......................................................................... 4 Long Range Boom ......................................................................... 4 Jib ....................................................................................... 4 Auxiliary Tip Extension ...................................................................... 4 Heavy Duty Auxiliary Tip Extension ........................................................... 4 Luffing Boom .............................................................................. 5 Luffing Jib ................................................................................ 5 Fixed Jib .................................................................................. 5 Dimensions ................................................................................ 6 Base Crane ............................................................................... 7 Side Frames .............................................................................. 7 Upper Counterweights ..................................................................... 8 Lower Counterweights ..................................................................... 9 Boom .................................................................................... 10 Jib/Fixed Jib .............................................................................. 13 Luffing Jib ................................................................................ 14 Hook Blocks .............................................................................. 15 Hook Balls ................................................................................ 15 Assembly Diagram ......................................................................... 16 Link‐Belt Cranes 348 HYLAB 5 5669 (supersedes 5581)-0114-L9 Working Weights ........................................................................... 16 Transport Weights .......................................................................... 17 Transport Drawings ........................................................................ 18 Load Hoist Performance .................................................................... 20 Working Areas ............................................................................. 21 Attachments ............................................................................... 22 Heavy Duty Boom .......................................................................... 24 Boom Make-Up .......................................................................... 24 Working Range Diagram - Extended Gauge.................................................. 25 Load Chart - Extended Gauge .............................................................. 26 Working Range Diagram - Retracted Gauge................................................. 27 Load Chart - Retracted Gauge .............................................................. 28 Long Range Boom ......................................................................... 29 Boom Make-Up .......................................................................... 29 Working Range Diagram - Extended Gauge.................................................. 30 Load Chart - Extended Gauge .............................................................. 31 Working Range Diagram - Retracted Gauge................................................. 33 Load Chart - Retracted Gauge .............................................................. 34 348 HYLAB 5 Link‐Belt Cranes 5669 (supersedes 5581)-0114-L9 1 Upper Structure Pump Control “Fine Inching” Mode Frame Hydraulic System Special pump setting, selectable from the operator's cab, that allows very slow All welded and precision machined Hydraulic Pumps movements of load hoist drums, boom surfaces. The pump arrangement is designed to hoist drum, and travel for precision work. Turntable Bearing provide hydraulically powered functions Hydraulic Reservoir S Outer race bolted to upper frame; inner allowing positive, precise control with in­ race with internal swing gears bolted to dependent or simultaneous operation of 108 gal (409L), equipped with sight level lower frame. all crane functions. gauge. Diffusers built in for deaeriation. S Two variable displacement pumps Filtration operating at 4,550 psi (320kg/cm2) and Engine 110 gal/min (416L/min) powers the load Ten micron, full flow, line filter in the control hoist drums, boom hoist drum, optional circuit. All oil is filtered prior to entering the reservoir. Engine third drum, optional fourth drum, and Full pressure lubrication, oil filter, air travel. Counterbalance Valves S cleaner, hour meter, throttle, and electric One variable displacement pump All hoist motors are equipped with coun­ 2 control shutdown. operating at 3,560 psi (250kg/cm ) and terbalance valves to provide positive load 61.0 gal/min (231L/min) powers the lowering and prevent accidental load swing motor. drop if the hydraulic pressure is suddenly Mitsubishi 6M70-TL S One fixed displacement gear type pump lost. 2 Number of cylinders 6 operating at 3,270 psi (230kg/cm ) and 16.4 gal/min (62L/min) powers the 5.31 x 5.91 in Bore and stroke self-assembly cylinder, counterweight (135 x 150mm) Load Hoist Drums lifting, lower jacks, and hydraulic 3 Piston displacement 786 in (12.9L) backstop and sideframe pin cylinders. Each drum contains a pilot controlled, bi- S One fixed displacement gear type pump Engine rpm at full directional, axial piston motor and a plan­ 2,000 2 load speed operating at 1,140 psi (80kg/cm ) and etary gear reduction unit to provide posi­ 11.1 gal/min (42.2L/min) powers the Hi-idle rpm 2,100 tive control under all load conditions. remote control valves, counterweight pin S Power up/down with optional free-fall Gross engine hp 365 hp (272kw) and boom foot pin cylinders. operation modes S One fixed displacement gear type 1,114 ft lb (1 510joule) @ S Automatic brake mode (spring applied, Peak torque 1,500 rpm pump operating at 1,990 psi hydraulically released, band type (140kg/cm2) and 8.5 gal/min Electrical system 24 volt brake) (32.1L/min) powers the fan for the oil S Drum pawl controlled manually Fuel tank capacity 132 gal (500L) cooler, cab tilt cylinders, and S Electronic drum rotation indicators counterweight lifting cylinders at high Batteries 2-12 volt S Mounted on anti-friction bearings speed. S Approximate fuel 22.68 in (57.61cm) root diameter gal/hr (L/hr) S One fixed displacement gear type S consumption 2 44.88 in (114.00cm) flange diameter pump operating at 35.6 psi (2.5kg/cm ) S 27.13 in (68.91cm) width 100% hp 5.4 (20.4) and 3.0 gal/min (11.4L/min) powers the The free-fall operation mode is designed 75% hp 5.6 (21.1) splitter oil cooler. S One fixed displacement gear type to prevent load lowering even if the free- 50% hp 6.2 (23.4) pump operating at 4,550 psi fall switch is accidentally activated. (320kg/cm2) and 8.7 gal/min The automatic brake mode meets all Fuel Tank (32.9L/min) powers the live mast flip OSHA requirements for personnel han­ Equipped with fuel sight level gauges, cylinders. dling. flame arrester,