Electric Rope Shovels 7295 HD0 pages

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Number and diameter of rollers 9,71.1 cm (28 in)

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Take-up tumblers diameter 147.3 cm (58 in)

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Specifications

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Dimensions

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Dipper payload 38 tonnes (42 tons)

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Dipper capacity 14-31 m3 (18-40 yd3)

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Length of boom 15.7 m (51 ft 6 in)

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Effective length of dipper handle 8.2 m (26 ft 10 in)

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Overall length of dipper handle 9.9 m (32 ft 6 in)

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Weights

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Working weight, with dipper,

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and standard links 703 068 kg (1,550,000 lbs)

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Net weight, domestic,

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without ballast or dipper 545 290 kg (1,202,160 lbs)

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General-purpose dipper

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20 m3 (26 yd3) 22 680 kg (50,000 lbs)

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Ballast (furnished by customer) 140 616 kg (310,000 lbs)

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• These weights will vary slightly depending upon dipper and optional

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equipment selection

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Main Structures

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Crawler Mounting_

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Overall width 139.7 cm

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(55 in) treads, standard 8.2 m (26 ft 11 in)

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Overall width 182.88 cm

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(72 in) treads 8.63 m (28 ft 4 in)

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Overall length of mounting 10.26 m (33 ft 8 in)

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Total effective bearing area 21m2 (224 ft2)

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(139.7 cm treads) 331 kpa (48.1 psi.)

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Number and pitch of treads 96, 45.1 cm (17.75 in)

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Planetary Propel_

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Dual-motor independent drive

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Revolving Frame (Center Section)_

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Welded impact-resistant steel Length: 11.18m (36 ft 8 in)

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Width: 3.91m (12 ft 10 in)

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Turntable_

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Cast alloy steel swing rack

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pitch diameter 4.5 m (14 ft 9 in)

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Teeth external cut 29.21 cm face (11.5 in)

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Tapered, forged alloy steel

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roller rails diameter 4.04 m (13 ft 3 in)

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Number of tapered rollers 45

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Tapered rollers diameter 22.86 cm (9 in)

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Swing_

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Two planetary gearboxes, each driven by a vertically mounted

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variable-speed AC motor, located on either side of the revolving frame

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towards the front of the machine. Single-output pinion shaft from each

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gearbox engages the swing rack

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Hoist_

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Double-reduction, conventional gearcase driven by a variable-speed

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AC motor

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Lube System_

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• PLC-controlled, air-operated, three 208 liter (55 gallon) drum reserves

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• Divided into three systems: open gear lube, upper works grease, and

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lower works grease

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• Faults protection: low pressure and vent release

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