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Manitowoc Grove RT760E Guide Des Produits page 4

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Specification
Superstructure
Boom
4
10,8 m – 33,5 m, four-section, sequenced synchronized full power boom.
Maximum tip height: 36,4 m.
* Fixed swingaway extension
10,1 m offsettable lattice swingaway extension. Offsets 0°, 25°
and 45°. Stows alongside base boom section.
Maximum tip height: 45,8 m.
* Bifold swingaway extension
10,1 m - 17,1 m offsettable bifold lattice swingaway extension. Offsets 0°,
25° and 45°. Stows alongside base boom section.
Maximum tip height: 53,2 m.
* Inserts
6,1 m or 12,2 m lattice extension inserts. Installs between the boom nose
and bifold extension, non-stowable. Maximum tip height: 65,2 m.
Boom elevation
One double acting hydraulic cylinder with integral holding valve provides
elevation from -3° to +78°.
Load moment and anti-two block system
Standard "Graphic Display" load moment and anti-two block system with
audio-visual warning and control lever lockout. These systems provide
electronic display of boom angle, length, radius, tip height, relative load
moment, maximum permissible load, load indication and warning of
impending two-block condition. The standard Work Area Definition System
allows the operator to pre-select and define safe working areas. If the crane
approaches the pre-set limits, audio-visual warnings aid the operator in
avoiding job-site obstructions.
Cab
Full-vision, all-steel fabricated with acoustical lining and tinted safety glass
throughout. Deluxe seat incorporates armrest-mounted hydraulic single-
axis controllers. Dash panel incorporates gauges for all engine functions.
Other standard features include: hot water heater, cab circulating air fan,
sliding side and rear windows, sliding skylight with electric wiper and sun-
screen, electric windshield wash/wipe, fire extinguisher and seat belt.
Slewing
Planetary swing drive with foot applied multi-disc wet brake. Spring ap-
plied, hydraulically released swing brake. Single position
mechanical house lock, operated from cab.
Maximum speed: 2,5 RPM.
Counterweight
5 553 kg pinned to structure.
Hydraulic system
Three main pumps with a combined capacity of 391 LPM (511 LPM with
optional air conditioning).
Maximum operating pressure: 276 bar.
Two individual post pressure compensated valve banks.
Return line type filter with full flow by-pass protection and service indicator.
Replaceable cartridge with micron filtration rating of 5/12/16.
500 L hyd. reservoir. Integral oil cooler. System pressure test ports.
Hoist
Planetary reduction with automatic spring applied multi-disc wet brake.
Grooved drum. Electronic hoist drum rotation indicators, and hoist drum
cable followers.
Maximum Single Line Pull:
• 1st layer:................8 246 kg.
• 5th layer:................6 508 kg.
Maximum Permissible Line Pull:
7 620 kg with 6X37 class rope.
7 620 kg. with 35X7 Rotation Resistant rope.
Maximum Single Line Speed: 179 m/min.
Rope Construction: 6X36 EIPS IWRC, Special Flexible
35x7 Flex-X, Rotation Resistant
Rope Diameter: 19mm. Rope Length: Main Hoist: 152 m - Optional: 168 m.
Maximum Rope Stowage: 211 m.
• 3rd layer: ..................7 560 kg.
Carrier
Carrier frame
Box section frame fabricated from high-strength, low alloy steel.
Front/rear towing and tie down lugs.
Outriggers
Four hydraulic telescoping single-stage double box beam outriggers with
inverted jacks and integral holding valves.
Three position setting, 0%, 50% and fully extended.
All steel fabricated, quick release type outrigger floats, 610 mm diameter.
Maximum outrigger pad load: 36 606 kg.
Controls and crane level indicator located in cab.
Engine
Cummins QSB 6,7L diesel, six cylinders, 240 bhp, 179 kW (Gross)
at 2 500 RPM. Maximum torque: 987 Nm at 1 500 RPM.
Transmission
Spicer powershift with 6 forward and 6 reverse speeds.
Front axle disconnect for 4 x 2 travel.
Drive/Steer
4 x 4.
Fully independent power steering:
Front: Full hydraulic steering wheel controlled.
Rear: Full hydraulic switch controlled.
Provides infinite variations of 4 main steering modes: front only, rear only,
crab and coordinated. Rear steer indicator. Turning radius: 6,7 m.
Axles
Front: Drive/steer with differential and planetary
reduction hubs rigid mounted to frame.
Rear: Drive/steer with differential and planetary
reduction hubs pivot mounted to frame.
Tyres
Std. 29,5 x 25 - 28 bias ply, General
Lights
Full lighting including turn indicators, head, tail, brake and hazard warning
lights.
Maximum Speed
37 km/h.
Brakes
Full hydraulic split circuit operating on all wheels. Spring-applied,
hydraulically released parking brake.
Electrical system
Two 12 V - maintenance free batteries. 12 V starting and lighting. Battery
disconnect switch.
* Optional equipment
• Auxiliary lighting package (includes cab mounted amber flashing light,
hoist mounted work light, and dual base boom mounted floodlights). •
LMI light bar (in cab). • Air conditioning (28 500 BTU). • 360˚ NYC style
mechanical swing lock. • Rear Pintle hook. • Cab controlled cross axle
differential locks, (front and rear). • PAT data logger. • Rubber mat
for storage trough • CE Mark conformance • Auxiliary hoist package • Full-
length aluminium decking • Manual pump disconnect.
*Denotes optional equipment

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