Tadano GR-500EX Service Manual

4.5 (2)
TADANO ROUGH TERRAIN CRANE
MODEL
:
GR-500EX
GENERAL DATA
CRANE CAPACITY 50,000 kg at 2.5 m
BOOM
4-section, 10.7 m 34.7 m
DIMENSION
Overall length approx. 13,055 mm
Overall width approx. 2,980 mm
Overall height approx. 3,765 mm
MASS
Gross vehicle mass approx. 33,420 kg
-front axle approx. 16,440 kg
-rear axle approx. 16,980 kg
PERFORMANCE
Max. traveling speed computed 50 km/h
Gradeability (tan ) computed 69 % (at stall)
*30 %
*
Machine should be operated within the limit of engine crankcase
design (17
o
: MITSUBISHI 6M60-TL).
Specifications are subject to change without notice.
     SPEC. SHEET No. GR-500E-2-00302/C-02
1
DATE August, 2012     
CRANE SPECIFICATIONS
MODEL GR-500EX
CAPACITY
50,000 kg at 2.5 m
BOOM
Four section full power partially synchronized telescoping boom of round
box construction with 4 sheaves at boom head. The synchronization
system consists of a double acting telescope cylinder, extension cables
and retraction cables.
Hydraulic cylinder fitted with holding valves.
Fully retracted length. . . . . . . . 10.7 m
Fully extended length. . . . . . . . 34.7 m
Extension speed. . . . . . . . . . . .24.0 m in 72 s
JIB
Two staged swingaround boom extension. Triple offset (5
o
/25
o
/45
o
) type.
Stows alongside base boom section.
Assistant cylinders for mounting and stowing.
Single sheave at jib head.
Length. . . . . . . . . . . . . . . . . . . . 8.8 m and 15.2 m
SINGLE TOP (AUXILIARY
Single sheave.
BOOM SHEAVE)
Mounted to main boom head for single line work.
ELEVATION By a double-acting hydraulic cylinder, fitted with holding valve.
Automatic speed reduction and soft stop function.
Boom angle . . . . . . . . . . . . . . . . 0.8
o
to 81
o
Boom raising speed. . . . .. . . . . . 20
o
to 60
o
in 27 s
HOIST - Main winch Variable speed type with grooved drum driven by hydraulic axial piston
motor through winch speed reducer. Power load lowering and hoisting.
Equipped with automatic brake (Neutral brake) and counterbalance
valve. Controlled independently of auxiliary winch.
Single line pull. . . . . . . . . . . . . 54.9 kN {5,600 kgf}
Single line speed. . . . . . . . . . . 136 m/min (at the 4th layer)
Wire rope. . . . . . . . . . . . . . . . . Spin-resistant type
Diameter x length. . . . . . . .19 mm x 193 m
HOOK BLOCK(Optional) -
5 sheaves, swivel type hook with safety latch.
50 t capacity
     SPEC. SHEET No. GR-500E-2-00302/C-02
2
HOIST - Variable speed type with grooved drum driven by hydraulic axial piston
Auxiliary winch
motor through winch speed reducer. Power load lowering and hoisting.
Equipped with automatic brake (Neutral brake) and counterbalance
valve. Controlled independently of main winch.
Single line pull. . . . . . . . . . . . . 54.9 kN {5,600 kgf}
Single line speed. . . . . . . . . . . 118 m/min (at the 2nd layer)
Wire rope. . . . . . . . . . . . . . . . . Spin-resistant type
Diameter x length. . . . . . . . 19 mm x 110 m
HOOK BLOCK -
Swivel type hook with safety latch for single line use.
5.6 t capacity
SWING
Hydraulic axial piston motor driven through planetary speed reducer.
Continuous 360
o
full circle swing on ball bearing slew ring.
Equipped with manually locked/released swing brake.
Swing speed. . . . . . . . . . . . . . . 2.7 min
-1
{rpm}
HYDRAULIC SYSTEM
Pumps. . . . . . . . . . 2 variable piston pumps for telescoping, elevating
and winches.
Tandem gear pump for steering, swing and optional
equipment.
Control valves. . . . . Multiple valves actuated by pilot pressure with
integral pressure relief valves.
Circuit. . . . . . . . . . . Equipped with air cooled type oil cooler.
Oil pressure appears on AML display for main
circuit.
Hydraulic oil tank capacity. . .
approx. 560 liters
Filters. . . . . . . . . . . Return line filter
CRANE CONTROL
By 4 control levers for swing, boom hoist, main winch, boom telescoping
or auxiliary winch with 2 control pedals for boom hoist and boom
telescoping based on ISO standard layout. Control lever stands can
change neutral positions and tilt for easy access to cab.
     SPEC. SHEET No. GR-500E-2-00302/C-02
3
CAB Both crane and drive operations can be performed from one cab
mounted on rotating superstructure. One sided one-man type, steel
construction with sliding door access and tinted safety glass windows
opening at side. Door window is powered control.
Operator's 3 way adjustable seat with headrest and armrest.
Hot water cab heater and air conditioning.
TADANO Automatic
Main unit in crane cab gives audible and visual warning of approach to
Moment Limiter
overload. Automatically cuts out crane motions before overload. With
(Model: AML-C)
working range (load radius and/or boom angle and/or tip height and/or
swing range) limit function.
Automatic Speed Reduction and Soft Stop function on boom elevation
and swing.
Following functions are displayed.
Load as percentage
Number of parts of line of rope
Boom angle
Boom length
Load radius
Outriggers position
On-tire indicator
Actual hook load
Permissible load
Boom position indicator
Potential hook height
Swing angle
Main hydraulic oil pressure
Jib length and jib offset angle (only when jib operation)
OUTRIGGERS
Hydraulically operated H-type outriggers. Each outrigger controlled
simultaneously or independently from the cab.
Equipped with sight level gauge. Floats mounted integrally with the
jacks retract to within vehicle width.
All cylinders fitted with pilot check valves.
Crane operation with different extended length of each outrigger.
Equipped with extension width detector for each outrigger.
Extended width
Fully. . . . . . . . . . . 7,000 mm
Middle. . . . . . . . . 6,500 mm
Middle. . . . . . . . . 5,000 mm
Minimum. . . . . . . 2,480 mm
Float size (Diameter). . . . . . . 500 mm
COUNTERWEIGHT
Integral with swing frame
Mass. . . . . . . . . . 2,900 kg
---------------------------------------------------------------------------------------------------------------------------------------
NOTE : Each crane motion speed is based on unladen conditions.
     SPEC. SHEET No. GR-500E-2-00302/C-02
4
CARRIER SPECIFICATIONS
TYPE Rear engine, left-hand steering, driving axle 2-way selected type (by
manual switch).
4 x 2 front drive
4 x 4 front and rear drive
FRAME
High-tensile steel, all welded mono-box construction.
ENGINE
Model. . . . MITSUBISHI 6M60-TL [EUROMOT Stage A]
Type. . . . . 4 cycle, turbo charged and after cooled, 6 cylinder in line,
direct injection, water cooled diesel engine.
Piston displacement. . . . . 7,545 cm
3
Bore x stroke. . . . . . . . . . 118 mm x 115 mm
Max. output. . . . . . . . . . . . 200 kW at 2,600 min
-1
{rpm}
Max. torque. . . . . . . . . . . . 785 N-m at 1,400 min
-1
{rpm}
TRANSMISSION
Electronically controlled full automatic transmission.
Torque converter driving full powershift with driving axle selector.
6 forward and 2 reverse speeds.
4 speeds - High range - 2 wheel drive ; 4 wheel drive
4 speeds - Low range - 4 wheel drive
AXLES
Front. . . . . Full floating type, steering and driving axle with planetary
reduction.
Rear. . . . . Full floating type, steering and driving axle with planetary
reduction.
Non-spin differential.
STEERING
Hydraulic power steering controlled by steering wheel.
Three steering modes available:
2-wheel front
4-wheel coordinated
4-wheel crab
SUSPENSION
Front. . . . . Semi-elliptic leaf springs with hydraulic lockout device.
Rear. . . . . Semi-elliptic leaf springs with hydraulic lockout device.
BRAKE SYSTEM
Service. . . Air over hydraulic disc brakes on all 4 wheels.
Parking / Emergency. . .
Spring applied-air released brake acting on input shaft of
front axle.
Auxiliary. . . Electro-pneumatic operated exhaust brake.
ELECTRIC SYSTEM
24 V DC. 2 batteries of 12 V - 120 Ah capacity.
FUEL TANK CAPACITY
300 liters
TIRES
Front.......23.525 (OR), Single x 2
Air pressure: 450kPa
Rear........23.525 (OR), Single x 2
Air pressure: 450kPa
TURN RADIUS
Min. turning radius (at center of extreme outer tire)
2-wheel steering. . . . . . . . 11.7 m
4-wheel steering. . . . . . . . . 6.7 m
     SPEC. SHEET No. GR-500E-2-00302/C-02
5
EQUIPMENT
STANDARD EQUIPMENT Automatic moment limiter (AML)
External lamp (AML)
Pendant type over-winding cutout
Winch automatic fail-safe brake
Winch drum rotation indicator (Audible and Visual type)
Winch drum mirror
Hook safety latch
Pilot check valves
Holding valves
Counterbalance valves
Hydraulic pressure relief valves
Swing brake
Swing lock
Boom angle indicator
Boom elevation foot pedal
Boom telescoping foot pedal
Outrigger extension width detector
Hot water cab heater, air conditioner and defroster
Sight level gauge
Hydraulic oil cooler
Electric windshield wiper and washer
Roof window wiper and washer
Power window (Cab door)
Tachometer/Speedometer
3 way adjustable cloth seat with seat belt, headrest and armrest
Cab floor mat
Sun visor (Front and roof)
Automatic drive system
Transmission neutral position engine start
Overshift prevention
Parking braked travel warning
Tilt-telescope steering wheel
Back-up alarm
Air cleaner dust indicator
Air dryer
Water separator with filter
Engine over-run alarm
Hydraulic lockout suspension
Non-spin differential (Rear)
Towing eyes - front and rear
Fuel consumption monitor
Eco mode system
Positive control
OPTIONAL EQUIPMENT
Over-unwinding prevention
Cable follower
Emergency steering
Red warning lamp (Top boom)
Radiator cover
Tire inflation kit
Hook block - 50t capacity (5 sheaves, swivel type with safety latch.
Mass : approx. 500 kg)
     SPEC. SHEET No. GR-500E-2-00302/C-02
6
HOISTING PERFORMANCE
Maximum permissible line pull wire strength 68,400N(6,985kg) with 6×31 class wire rope.
1
Developed by machinery with each layer of wire rope, but not based on rope strength
or other limitation in machinery or equipment.
2
Seventh layer of wire rope are not recommended for hoisting operations.
Line pulls drum grooved lagging
Available
1
Total wire rope
N (kgf) Meters
1st 67,400 (6,880) 37.6
2nd 61,800 (6,310) 78.3
3rd 57,000 (5,820) 122.0
4th 53,000 (5,410) 168.8
5th 49,500 (5,050) 218.6
6th 46,400 (4,730) 271.6
7th
2
43,700 (4,460) 327.5
Layer
Main or auxiliary hoist 0.4m drum 19mm wire rope
     SPEC. SHEET No. GR-500E-2-00302/C-02
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