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Upperworks
Engine
Cummins Model QSL9-300 Tier III, 6 cylinder, 224 kW (300 hp) at 2100
governed RPM.
Cummins Model QSL9-320 Tier IVi, 6 cylinder, 239 kW (320 hp) at 2100
governed RPM.
Includes engine block heater (120 V), air heater starting aid (24 V), oil heater
starting aid (120 V), high silencing muffler (Tier III) or diesel particulate filter
(Tier IVi), radiator and fan.
24 volt starting and 70 amp alternator.
One 568 L capacity diesel fuel tank, mounted on right side of upperworks with
sight and electrical level indicator.
Control system
Hydraulic pilot controls provide infinite speed response directly proportional
to control lever movement. Controls include Manitowoc's CANBUS operating
system providing microprocessor driven control logic, pump control, on-board
diagnostics and service information.
Block-up limit control is standard for hoist and whip lines.
RCL/RCI (Rated Capacity Limiter/Rated Capacity Indicator) system is
standard for main boom and upper boom point. "Function cut-out" or
"warning only" operation is available via programmable configuration.
Travel and swing alarms are standard.
Hydraulic system
Three high-pressure pumps are driven by the engine. Two pumps provide
hydraulic power enabling simultaneous multi-function capability. One pump
provides independent "closed loop" hydraulic power for the swing system. An
additional fourth pump is required for free fall.
Hydraulic reservoir capacity is 600 L and is equipped with breather, sight and
electrical level indicator, clean out access, and internal diffuser.
Each function is equipped with relief valves to protect the hydraulic circuit
from overload or shock.
Replaceable, ten micron (absolute) full flow tank filter is furnished in the
hydraulic circuit. All oil is filtered prior to return to the hydraulic reservoir.
Hydraulic system also includes hydraulic oil cooler.
Hoist
Two equal width winches are driven by independent variable displacement
axial piston hydraulic motors through planetary reduction. Drums are grooved
for 26 mm rope.
Powered hoisting/lowering operation is standard with automatic (spring
applied, hydraulically released) multi-disc brakes, and drum rotation indicators.
Optional: free-fall operation for front and/or rear drums.
Optional: auxiliary (third) hydraulic powered drum mounted in boom
butt. Includes third drum control system. Auxiliary drum may be used as
the luffing hoist when machine is equipped with a luffing jib.
Optional: auxiliary drum preparation includes electric wiring, controls,
hydraulic selector valve and plumbing.
Boom hoist
Independent boom hoist consists of a single drum grooved for 22 mm diameter
wire rope. Includes 22 mm diameter wire rope for 20 part line reeving.
Drum is powered by a fixed displacement hydraulic motor coupled to an
internal brake and planetary gearbox equipped with ratchet and pawl.
Mast
Moving mast is 7,2 m long and connects the boom hoist reeving to the steel
boom suspension pendant rigging. When used with optional self-erect package,
the mast is utilized for crane assembly and disassembly. The mast is capable of
lifting and positioning the crawler assemblies, stacking the counterweights and
assembling the boom and jib, utilizing the self assembly cylinder.
Rotating bed includes counterweight raising cylinders capable of lifting the
entire upperworks counterweight for removal and installation. The upperworks
counterweight is attached to rotating bed with power-actuated pins.
MLC 165
Counterweight
Counterweight raising cylinders are mounted in the rotating bed with links
mounted to top of the cylinder and connected to the counterweight tray. The
upper counterweight is secured to the rotating bed with hydraulically actuated
pins.
Upper counterweight consists of a one-piece tray and eight upper counterweight
boxes. Series 2 carbody counterweight boxes are attached to carbody (each side)
and weigh 8 t each.
Series 1
Upper weight (6 pieces+tray) ..............................................................45 100 kg
Series 2
Upper weight (8 pieces+tray) ..............................................................55 100 kg
Carbody weight (2 pieces) .................................................................. 16 000 kg
Total weight .....................................................................................71 100 kg
Swing system
Independent single swing drive mounted in rotating bed is powered by a
hydraulic piston type motor driving a spur gear through a planetary reduction.
Internal brake and four position manual swing lock is provided.
Maximum swing speed: 2.5 rpm.
Cab
Fully enclosed and galvaneeled steel insulated module is equipped with sliding
door, large safety glass windows on all sides and roof. Signal horn, cab space
heater, front and roof windshield wipers, air conditioning, dome light, sun
visor and shade, fire extinguisher and air circulating fan are standard.
Optional: tilt cab.
Optional: nylon protective window covers.
Lowerworks
Carbody
High strength fabricated steel assembly utilizing Manitowoc's FACT™
connection system incorporating two hydraulically powered pins for fast
installation and removal of crawlers.
Crawlers
Crawler assemblies are 8,0 m long, high strength steel fabrications with 1,1 m
wide cast steel crawler pads. Each crawler is powered independently by a
variable displacement hydraulic motor driving a planetary reduction. Crawlers
provide ample tractive effort that allows counter rotation with full rated load.
Maximum ground speed of 1,8 kph.
Attachments
N° 74 main boom
The liftcrane is equipped with a 15 m basic No. 74 tubular chord boom
consisting of a 6,0 m butt and 9 m top with six 65,1 cm diameter roller bearing
sheaves. No. 74 boom utilizes wire rope pendants.
Hydraulically powered boom hinge pin system consists of cylinder, piping,
operating controls and locking device.
Spring cushioned boom stop and electronic automatic boom stop standard.
Luffing jib preparation included as standard.
N° 74 boom length is increased using 3,0 m, 6 m, and 12 m boom
inserts with wire rope suspension pendants. Max boom length is 84,0 m
with ASME B30.5 and 81,0 m with EN13000.
13,6 t swivel hook and weight ball standard.
N° 134 fixed jib
9,1 m basic No. 134 tubular chord fixed jib consisting of 4,6 m jib butt
and 4,6 m jib top with 3,8 m jib strut, wire rope, pendants and backstay.
Includes RCL/RCI hardware.
N° 134 fixed jib length is increased using 3,0 m and 6,1 m inserts with
wire rope pendants. Max fixed jib length is 24,4 m.
Specifications
3

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