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(ta	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 360o 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.

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 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

NOTE : Each crane motion speed is based on unladen conditions.

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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

ENGINE	MITSUBISHI 6M60-TL
Model.......
Type.........	4 cycle, turbo charged and after cooled, 6 cylinder
FRAME	in line, direct injection, water cooled diesel engine.
High-tensile steel, all welded mono-box construction.
Piston displacement		....7,545 cm3
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.

EQUIPMENT

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 2 Air pressure: 450kPa Rear ....23.5–25 (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

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

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WORKING RANGE

SPEC. SHEET NO. GR-500E-2-00102/EX-02

5˚

25˚

45˚

BOOM

50

Approx.

2.5m

3

4

.

7

45

m B

O

O

M

+

3

1

5

4

.

.

2

7

m

m

B

40

J

O

B

O

I

81˚

M

+

JIB

8.8

70˚

m

(m)

J

35

34.

I

7

B

m

B

60˚

HEIGHT

O

O

M

Approx.

50˚

30

2.3m

26

45˚

35˚

LIFTING

.

7

m

O

40˚

B

O

25

M

18.

30˚

20

SINGLE TOP

7

m

O

0.6m

B

25˚

O

M

20˚

15

Approx.

10.

2.3m

7

m

10

O

B

10˚

M

O

0˚

5

0

5

10

15

20

25

30

35

40

0

RADIUS (m)

Boom Length

10.7m

18.7m

26.7m

34.7m

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.

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