Tadano GR-1450EX Service Manual

ROUGH TERRAIN CRANE

SPEC. SHEET NO. GR-1450E-2-00101/EX-03

GR-1450EX

Left - hand steering

GENERAL DATA

CRANE CAPACITY BOOM DIMENSION

Overall length approx. 16,190 mm Overall width approx. 3,315 mm Overall height approx. 3,785 mm

MASS

Gross vehicle mass approx. 90,805 kg

PERFORMANCE

Max. travelling speed

(with counterweight) computed 15 km/h

Gradeability(tan )

(with 18.2t counterweight) computed 52 % (at stall)

*Machine should be operated within the limit of engine crankcase

design (17˚ : MITSUBISHI 6M60-TL).

CRANE SPECIFICATIONS

MODEL

GR-1450EX

CAPACITY

145,000 kg at 2.5 m

6-section, 13.1 m - 61.0m

-1st axle approx. 28,701 kg

-2nd axle approx. 30,814 kg

-3rd axle approx. 31,290 kg

*30 %

ELEVATION

By a double-acting hydraulic cylinder, fitted with holding valve.

Automatic speed reduction and slow stop function.

Boom angle .............................. -1.5˚ to 81.5˚

Boom raising speed ................. 20˚ to 60˚ in 28 s

BOOM

Six sections extended by single telescoping cylinder,

13.1m~61.0m, of round box construction with 7 sheaves, 0.400m root diameter, at boom head.

Hydraulic cylinders fitted with holding valves.

Fully retracted length ............... 13.1 m

Fully extended length ............... 61.0 m

Extension speed ....................... 47.9 m in 450 s

JIB

Two staged slewing around boom extension. Triple offset (0˚/20˚/40˚) type. Stows alongside base boom section.

Assistant cylinders for mounting and stowing.

Single sheave at jib head.

Length ..................................... 10.3 m and 18.0 m

SINGLE TOP (AUXILIARY BOOM SHEAVE)

Single sheave, 0.440m root diameter. Mounted to main boom

head for single line work.

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 ............................. 70.6 kN {7,200 kgf}

Single line speed(High) ............... 136 m/min (at the 4th layer)

Single line speed(Low) ................ 97 m/min (at the 4th layer)

Wire rope ..................................... No-spin type

Diameter x length ........................ 19 mm x 320 m

HOOK BLOCK(Optional) - 100 t capacity

8 sheaves, swivel type hook with safety latch.

HOOK BLOCK(Optional) -45 t capacity

3 sheaves, swivel type hook with safety latch.

CRANE SPECIFICATIONS

SPEC. SHEET NO. GR-1450E-2-00101/EX-03

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

counterbalance valve. Controlled independently of main winch.

Single line pull ......................... 70.6 kN {7,200 kgf}

Single line speed(High) ........... 136 m/min (at the 4th layer)

Single line speed(Low) ............ 97 m/min (at the 4th layer)

Wire rope ................................. No-spin type

Diameter x length .................... 19 mm x 225 m

HOOK BLOCK - 7.2 t capacity

Swivel hook with safety latch for single line use.

SLEWING

Hydraulic axial piston motor driven through planetary speed

reducer. Continuous 360˚ full circle slewing on ball bearing slew

ring. Equipped with manually locked/released slewing brake.

Front positive slewing lock manually engaged in cab.

Twin slewing system: Free slewing or lock slewing controlled by

selector switch on front console.

Slewing speed ........................... 1.3 min

-1

{rpm}

TADANO Automatic Moment Limiter (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 slewing range) limit function.

Automatic speed reduction and slow stop function on boom

elevation and slewing.

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

Slewing angle

Main hydraulic oil pressure

Jib length and jib offset angle (only when jib operation)

HYDRAULIC SYSTEM

Pumps.................Two variable piston pumps for crane functions.

Tandem gear pump for steering, slewing 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. 763 liters

Filters..................Return line filter

CRANE CONTROL

By 4 control levers for slewing, boom elevation, main winch,

boom telescoping or auxiliary winch with 2 control pedals for

boom elevation 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. 15˚ tilt, Left side, 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.

Air conditioner (Hot water heater and cooler).

OUTRIGGERS

Hydraulically operated H-type outriggers. Each outrigger

controlled simultaneously or independently from the cab.

Equipped with sight level gauge.

Floats can be stowed on vertical cylinders or removed to improve

approach and departure angles.

All cylinders fitted with pilot check valves.

Crane operation with different extended length of each outrigger.

Equipped with extension width detector for each outrigger.

Outrigger unit is self-removable for ease of transportation.

Extended width

Fully ..................................... 8,200 mm

Middle .................................. 7,300 mm

Middle .................................. 5,500 mm

Minimum .............................. 2,990 mm

Float size (Diameter) ........... 570 mm

COUNTERWEIGHT

STANDARD ... 18.2t. Hydraulically installed and removed.

OPTIONAL WEIGHT .... Additional 11.1t for total of 29.3t.

NOTE :

Each crane motion speed is based on unladen conditions.

-2-

CARRIER SPECIFICATIONS

SPEC. SHEET NO. GR-1450E-2-00101/EX-03

TYPE

Rear engine, left hand steering, driving axle 2-way selected type by manual switch.

6x2 1st drive 6x4 1st and 3rd drive

FRAME

High-tensile steel, all welded mono-box construction.

ENGINE

Model ..... Mitsubishi 6M60-TL

Type ....... 4 cycle, turbo charged and after cooled, 6 cylinder

in line, direct injection, water cooled diesel engine.

Piston displacement ........ 7,540 cm

Bore x stroke ................... 118 mm x 115 mm

Max. output ...................... 200 kW at 2,600 min

Max. torque ..................... 785 N-m at 1,400 min

-1

{rpm}

-1

{rpm}

TRANSMISSION

Electronically controlled full automatic transmission. Torque converter driving full powershift with driving axle selector. 5 forward and 2 reverse speeds, constant mesh. 2 speeds - High range - 2 wheel drive ; 4 wheel drive 3 speeds - Low range - 4 wheel drive

AXLES

1st ........ Full floating type, steering and driving axle with planetary

reduction and open differential.

2nd ....... Steering and not driving axle.

3rd ........ Full floating type, steering and driving axle with planetary

reduction and open differential.

STEERING

Hydraulic power steering controlled by steering wheel. Four steering modes available:

2-wheel front 4-wheel rear 6-wheel coordinated 6-wheel crab

SUSPENSION

1st ........... Rigid mounted to frame.

2nd,3rd .... "Hydro-Pneumatic suspension cylinders" with

leveling adjustment and oscillation.

BRAKE SYSTEM

Service .... Air over hydraulic disc brakes on all 6 wheels.

Parking / Emergency ....

Spring applied-air released brake acting on input shaft of 1st and 3rd 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

26.5R25☆☆, Air pressure:650kPa

TURN RADIUS

Min. turning radius (at center of extreme outer tire)

2-wheel steering ................14.9 m

6-wheel steering ................ 9.9 m

- 3 -

EQUIPMENT

SPEC. SHEET NO. GR-1450E-2-00101/EX-03

STANDARD EQUIPMENT

Automatic moment limiter (AML) External lamp (AML) Tare function Tadano twin slewing system and front positive slewing lock Winch automatic fail-safe brake Cable follower

7.2 t capacity hook block (swivel hook) Anti-two-block device Hook safety latch Pilot check valves Holding valves Counterbalance valves Hydraulic pressure relief valves Slewing brake 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

15˚ tilt cab

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 Towing eyes - front and rear Telematics (machine data logging and monitoring system) with -

HELLO-NET via internet (availability depends on countries) Winch drum rotation indicator (visual type) Winch drum mirror 2-speed hoist Self-removable counterweight Additional counterweight 11.1 t Self-removable outrigger unit Anemometer Boom and jib mounted aircraft warning lamp Removable boom system Fuel consumption monitor Positive control Eco mode system

OPTIONAL EQUIPMENT

□100 t capacity hook block (8 sheaves) □

Additional 100 t capacity hook block (8 sheaves) and additional sheaves

□45 t capacity hook block (3 sheaves) □Over-unwinding prevention □Tire inflation kit

< Used at lifting more than 100 t >

- 4-

WORKING RANGE

40°

20°

SPEC. SHEET NO. GR-1450E-2-00101/EX-03

Manual offset jib Counterweight 29.3t

0°

81.5°

35.0m Boom

30.6m Boom

70°

48.2m Boom

43.8m Boom

39.4m Boom

57.0m Boom

52.6m Boom

60°

61.0m Boom

50°

BOOM

45°

43°

40°

35°

30°

JIB

SINGLE TOP

LIFTING HEIGHT (m)

0.6m

Approx.

2.6m

Approx.

3.3m

21.8m Boom

17.4m Boom

13.1m Boom

26.2m Boom

20°

16°

10°

0°

65605550454035302520151050

RADIUS (m)

NOTE: 1.Boom and jib geometry shown are for unloaded condition and machine standing level

on firm supporting surface. Boom deflection and subsequent radius and boom angle change must be accounted for when applying load to hook.

Approx.

2.3m

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