JUNTTAN PM20LC

1.Basic Information
Machine Model: Junttan PM20LC
Machine Type: Pile Driver
Machine Serial Number: 1219
Name of manufacturer and address: Junttan Oy
PL 1702
70701 Kuopio
Finland
Machine year of manufacture: 2000
Boom length: 18.6 m 4m 8telescope) = 22.6 m
Hammer: HKK5/ movable part 5 tonnes, total weight 8 600 kg

Tilt: Backwards 1:3,5
Pile weight: 4 500 kg
The length of the pile: 16 m

2.Basic machine information
2.1 General Measure
Dimension are based on used book images.
Maximum Working height: 23 500mm
Maximum Working width: 4 200mm
Maximum Working length: 10 800mm
Maximum Transport length: 19 500mm
Minimum Transport widht: 3 220mm
Maximum pile length: 16 000mm

2.2 Undercarriage Structure
Junttan PM20LC has been built on the track surface

2.2.1 Undercarriage
Distance between the drive wheel and the chain wheel: 4 155mm
The total length of the roll system: 5 050mm
Roll system minimum length of lateral on the transport: 3 220mm
Roll system maximum length of lateral of the working: 4 200mm
Number of track shoes: 61 x 2
Number of the platen roller: 12 x 2

2.3 Engine
Name of manufacturer: Cummins
Engine Type: Turbo diesel
Engine Model: C8.3-C
Engine Serial Number: 21416926
Cylinders number: 6(direct)
Diameter: 114 mm
Impact: 135 mm
Power: 194 kW/260 hv, 2200 l/min
Type of Fuel Filter: 3930942
Type of Oil Filter: 3318853
Type of Air Filter: P77-7414/P77-7409
Cooling System: Liquid
Size of Fuel Tank: ~600l

2.5 Hydraulic Pumps
Model: A8VO 80 SR
Type: Adjustable douple-axial pump with sumpower adjustment
Maximum power/speed of rotation: Maximum 2*160 l/min / 2000 l/min
Operating pressure: Maximum 300bar
Model: A2FO 45
Type: Standart-yield pump
Maximum power/speed of rotation: Maximum 86 l/min / 2000 l/min
Operating pressure: Maximum 300bar

Model: 0 510 665 042
Type: Gear pump
Maximum power/speed of rotation: 22+32 l/min / 2000 l/min
Operating pressure: Maximum 100/200bar

2.6 Hydraulic motors and gearboxes
Drive motor and gearbox (2): A2FE80/ Lohmann
Type: Hydraulic axial piston motor with gearbox
Torque: ~ 58 kNm/gearing
Maximum operating pressure: 280 bar

Swing motor and gearbox: A2FE80 / Lohmann
Type: Hydraulic axial piston motor with gearbox
Torque: ~ 12,5 kNm
Maximum operating pressure: 250 bar

2.7 Cylinders
Boom Lifting up cylinder (2)
Type: double-acting telescoping cylinder
The number of telescopes: 2
Stroke: 1050 mm
Load regulation valve installed

Side tilt cylinders (2)
Type: Double-acting
Stroke: 1400 mm
Load regulation valve installed

Front tilt cylinder
Type: Double-acting
Stroke: 3700 mm
Load regulation valve installed

Boom position cylinder