Tadano GR-500EX Service Manual
HYDRAULIC ROUGH TERRAIN CRANE
SPEC. SHEET NO. GR-500E-2-00102/EX-02
GR-500EX
Left hand steering
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. 33,920 kg
-
front axle approx. 17,360 kg
-
rear axle approx. 16,560 kg
PERFORMANCE
Max. travelling speed computed 50 km/h
Gradeability(tan ) computed 69 % (at stall)
*30 %
*Machine should be operated within the limit of engine crankcase
design (17˚ : MITSUBISHI 6M60-TL)
CRANE SPECIFICATIONS
MODEL
GR-500EX
CAPACITY
50,000 kg at 2.5 m
BOOM
4-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 cylinders 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
2-staged swingaround boom extension.
Triple offset (5˚/25˚/45˚) 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 BOOM SHEAVE)
Single sheave. Mounted to main boom head for single line work.
ELEVATION
By a double-acting hydraulic cylinder, fitted with a holding valve.
Automatic speed reduction and soft stop function.
Boom angle…………………… -0.8˚ to 81˚
Boom raising speed...........….. 20˚ to 60˚ in 27s
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 - 50 t capacity
5 sheaves, swivel type hook with safety latch.
CRANE SPECIFICATIONS
SPEC. SHEET NO. GR-500E-2-00102/EX-02
HOIST-Auxiliary 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 counter-
balance 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 - 5.6 t capacity
Swivel hook with safety latch for single line use.
SWING
Hydraulic axial piston motor driven through planetary
speed reducer. Continuous 360ofull 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.
TADANO Automatic Moment Limiter (AML) (Model:AML-C)
Main unit in crane cab gives audible and visual warning of
approach to overload. Automatically cuts out crane motions
before overload.
With 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
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.
-2-
NOTE :
Each crane motion speed is based on unladen conditions.
CARRIER SPECIFICATIONS
SPEC. SHEET NO. GR-500E-2-00102/EX-02
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.......
Type.........4 cycle, turbo charged and after cooled, 6 cylinder
Piston displacement ....7,545 cm
Bore
Max. output..................
Max. torque .................785 N-m at 1,400 min-1{rpm}
MITSUBISHI 6M60-TL
in line, direct injection, water cooled diesel engine.
x
stroke ...............118 mm x 115 mm
200 kW at 2,600 min-1{rpm}
3
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
Rear.......Full floating type, steering and driving axle with planetary
reduction.
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 ....23.5–25 (OR), Single x 2Air pressure: 450kPa
Rear ....23.5–25 (OR), Single x 2Air 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
EQUIPMENT
STANDARD EQUIPMENT
Automatic moment limiter (AML)
External lamp (AML)
Pendant type over-winding cutout
Winch automatic fail-safe brake
Cable follower
5.6 t capacity hook block (swivel hook)
50 t capacity hook block (5 sheaves)
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
Air conditioner (hot water heater and cooler)
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
Emergency steering
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
Machine data logging and monitoring system (Internet web)
Winch drum rotation indicator (audible and Visual type)
Winch drum mirror
Fuel consumption monitor
Positive control
OPTIONAL EQUIPMENT
Over-unwinding prevention
Tire inflation kit
- 3 -
WORKING RANGE
SPEC. SHEET NO. GR-500E-2-00102/EX-02
70˚
4
B
45˚
BOOM
50
3
4
.
7
m
B
O
O
M
+
1
3
4
.
7
m
B
O
O
M
+
.
7
m
B
60˚
O
O
M
O
O
M
5
.
2
m
J
I
B
8
.
8
m
J
I
B
50˚
45˚
40˚
35˚
30˚
25˚
20˚
10˚
45
40
35
30
25
20
15
10
JIB
LIFTING HEIGHT (m)
SINGLE TOP
0.6m
Approx.
2.5m
Approx.
2.3m
Approx.
2.3m
25˚
5˚
81˚
3
2
6
.
7
m
1
8
.
7
m
B
O
O
M
1
0
.
7
m
B
O
O
M
0˚
0 5 10 15 20 25 30 35 40
RADIUS (m)
NOTE:
The above lifting height and boom angle are based on a straight (unladen) boom,
and allowance should be made for boom deflection obtained under laden conditions.
The above working range is shown on condition with outriggers fully (7.0m) extended.
5
0
Boom Length
10.7m
18.7m
26.7m
34.7m
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