Furukawa Unic URW370C4U Series, Operation & Maintenance Manual

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MAJOR SPECIFICATIONS
URW506C4U(6-section boom)
Crane capacity
(Net rated load) 5800 lbs.(2.63t) × 12.1ft(3.7m)
(With outriggers, extended fully)
Maximum lift above ground (Hook) 49.9ft(15.21m)
Boom to be extended to: 12.9ft~20.8ft~28.6ft~36.3ft~43.9ft~50.5ft
Maximum working radius 49.9ft(15.2m)
Speed of winding-up (Rope speed) 223ft(68m)/min (At 4th layer on the drum)
Hoisting speed of hook
45.9ft(14m)/min
(At 4th layer on the drum, with 4-part line hooking)
Extending speed of boom 37.6ft(11.47m)/34.5sec
Raising speed of boom 0° ~ 80°/18sec
Slewing speed 2.5rpm
Slewing range 360°(continuous)
Hoisting rope
Construction
IWRC6 × WS(26) GRADE B
[Breaking load:42.4kN (9524 lbf(4320kgf))]
Diameter×length 5/16in.(8mm) × 316ft(96.5m)
Outrigger
Horizontal
Direct pushing by double acting hydraulic cylinder
(directly connected to hydraulic automatic locking
device)
Vertical
Direct pushing by double acting hydraulic cylinder
(directly connected to hydraulic automatic locking
device)
Hydraulic pump
Rated pressure
Crane: 20.6MPa 2987psi(210kgf/cm 2 )
Crawl: 21.6MPa 3130psi(220kgf/cm 2 )
Rated discharge Approx. 15.9gal/min (60 ℓ /min)
Rated rotation Approx. 2500rpm
Hydraulic oil tank Capacity 19.8gal(75 liters)
(Speed indicated in the table below is at oil temperature range of 113~131°F(45~55°C), operat-
ing with no-load, and at rated pump discharge.)
Major specifications