Tadano GR-700E Service Manual

SPEC. SHEET No. GR-700E-1-00211/EU-32

TADANO ROUGH TERRAIN CRANE

MODEL : GR-700EX

(Left-hand steering)

GENERAL DATA

CRANE CAPACITY	70,000 kg at 3.0 m
BOOM	5-section,	11.5 m		44.0 m
DIMENSION
Overall length	approx.	14,075 mm
Overall width	approx.	3,315 mm
Overall height	approx.	3,800 mm
MASS
Gross vehicle mass	approx.	48,485 kg
-front axle	approx.	24,740 kg
-rear axle	approx.	23,745 kg
PERFORMANCE
Max. traveling speed	computed		39 km/h
Gradeability (tan θ )	computed		112 % (at stall)
		*36 %

*Machine should be operated within the limit of engine crankcase design (20o :MITSUBISHI 6M60-TLU3B).

Specifications are subject to change without notice.

- 1 -

		SPEC. SHEET No. GR-700E-1-00211/EU-32
	CRANE SPECIFICATIONS
MODEL	GR-700EX
CAPACITY	70,000 kg at 3.0 m
BOOM	5-section full power partially synchronized telescoping boom of round
	hexagonal box construction with 7 sheaves at boom head. The
	synchronization system consists of 2 telescope cylinders, extension
	cables and retraction cables.
	Hydraulic cylinders fitted with holding valves.
	Fully retracted length. .	. . . . . . 11.5 m
	Fully extended length. .	. . . . . . 44.0 m
	Extension speed. . . . . .	. . . . . .32.5 m in 145 s
JIB	2-staged swingaround boom extension. Triple offset (3.5o/25o/45o) type.
	Stores alongside base boom section.
	Assistant cylinders for mounting and stowing.
	Single sheave at jib head.
	Length. . . . . . . . . . . . . .	. . . . . .9.9 m and 17.7 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.
	Elevation speed. . . . . . .	. . . . . -2o to 80o in 77 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. . . . . . .	. . . . 143m/min (at the 4th layer)
	Wire rope. . . . . . . . . . . . .	. . . . No-spin type
	Diameter x length. . .	. . . . .19 mm x 251 m

- 2 -

		SPEC. SHEET No. GR-700E-1-00211/EU-32
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. . . . . . . . . . .		125m/min (at the 2nd layer)
	Wire rope. . . . . .	. . . . . . . . . . .	No-spin type
	Diameter x length. . . . . . . .		19 mm x 134 m
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. . . .	. . . . . . . . . . .	2.3 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. 740 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.

- 3 -

	SPEC. SHEET No. GR-700E-1-00211/EU-32
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.
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-L)	working range (load radius and/or boom angle and/or tip height and/or
	swing range) limit function.
	Nine functions are displayed.
	Digital liquid crystal display:
	Either boom angle or moment %
	Either boom length or potential hook height
	Either actual load radius or swing angle
	Actual hook load
	Permissible load
	Either jib offset angle or number of parts line of rope
	Boom position indicator
	Either outrigger position or on-tire indicator
	Bar graphical display:
	Either moment as percentage or main hydraulic pressure
	(Display changes by alternation key)
OUTRIGGERS	4-hydraulically operated H-type outriggers. Each outrigger controlled
	simultaneously or independently from the cab and either side of carrier.
	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. . . . . . . . . . .7,200 mm
	Middle. . . . . . . . . 6,700 mm
	Middle. . . . . . . . . 5,500 mm
	Minimum. . . . . . . 2,800 mm
	Float size (Diameter). . . . . . . 500 mm
COUNTERWEIGHT	Integral with swing frame (containing removable weight)
	Mass. . . . . . . . . . 7,900 kg

---------------------------------------------------------------------------------------------------------------------------------------

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

- 4 -

	SPEC. SHEET No. GR-700E-1-00211/EU-32
	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-TLU3B [EUROMOT Stage III A]
	Type. . . . . 4 cycle, 6 cylinder in line, direct injection, water cooled,
	turbo charged and after cooled, diesel engine.
	Piston displacement. . . . . 7,545 cm3
	Bore x stroke. . . . . . . . . . 118 mm x 115 mm
	Max. output. . . . . . . . . . . .200 kW {272 PS} at 2,600 min-1 {rpm}
	Max. torque. . . . . . . . . . . . 785 N-m {80 kgf-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.
	3 speeds - High range - 2 wheel drive ; 4 wheel drive
	3 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.
	Four steering modes available:
	2-wheel front
	2-wheel rear
	4-wheel coordinated
	4-wheel crab
SUSPENSION	Front. . . . . Rigid mounted to the frame.
	Rear. . . . . Pivot mounted with hydraulic lockout cylinders.
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. . . . . 29.5 - 25 22PR(OR),	Single x 2
	Rear. . . . . 29.5 - 25 22PR(OR),	Single x 2
TURN RADIUS	Min. turning radius (at center of extreme outer tire)
	2-wheel steering. . . . . . . . 11.9 m
	4-wheel steering. . . . . . . . . 6.7 m

- 5 -

	SPEC. SHEET No. GR-700E-1-00211/EU-32
	EQUIPMENT
STANDARD EQUIPMENT	Automatic moment limiter (AML-L)
	External lamp and buzzer (AML)
	Pendant type over-winding cutout
	Winch automatic fail-safe brake
	Over-unwinding prevention
	Cable follower
	40 t capacity hook block (4 sheaves)
	5.6 t capacity hook block (swivel hook)
	Hook safety latch
	Pilot check valves
	Holding valves
	Counterbalance valves
	Hydraulic pressure relief valves
	Swing brake
	Swing lock (360o positive swing lock)
	Boom angle indicator
	Boom elevation foot pedal
	Boom telescoping foot pedal
	Outrigger extension width detector
	Emergency engine stop system
	Air conditioner(hot water heater and cooler)
	Outrigger control box (Both sides of carrier)
	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 headrest, armrest and seat belt
	Cab floor mat
	Sun visor (Front and roof)
	Automatic drive system
	Reversing steering compensator
	Emergency steering
	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
	Winch drum rotation indicator
	Winch drum mirror
OPTIONAL EQUIPMENT	70 t capacity hook block (8 sheaves)
	Electric fan
	Tire inflation kit

- 6 -