Marcel's Mobile Mechanic & Welding

Providing heavy duty equipment maintenance and sales to oilfield, mining and forestry industries.

Our services include welding, equipment repair, prototyping and modifications.

JOBO ST50 Harvester Head Option

Harvester Head JOBO ST Bambi: 

The stroke harvester is suitable for installation on the Boreal Forwarder adapted to meet the harvester head hydraulic and control system requirements. Three moving knives result in a perfect delimbing even with relatively crooked trees. 

  • Mechanical Saw Limiter. Prevents blade passing the stem. 

  • Controlled Chain Lubrication 

  • Adjustable saw speed and return 

  • Adjustable knife force 

Technical Data: 

  • Feed force 2.4 Ton at 190 bar (2800 PSI) 

  • Stroke 50 cm (19.7 inches) 

  • Delimbing Speed approx. 1 m/s (3ft 3 ins) at 60 l/min (15.8 US Gal or 13.1 Imp Gal) 

  • Guide Bar 14/16 in, 404, 1.6/2.0 mm 

  • Weight 205 kgm (451 lbs) including oil 

  • Max cutting dia. 30 cm (12 inches) 

  • Max delimbing diam 25 cm (10 inches) 

Measuring and Control Unit CCD: 

The control unit is placed in the cabin protected from moisture and dust. Operating temp. is -30 to +70 C 

  • Length preselections 36 pieces, all adjustable 

  • Selection of 6 species, LGTH page 

  • Selection of 4 different operating modes 

  • Stump treatment (option) 

  • Adjustment of timers and parameters, admin page 

  • Production summary, PROD page 

Specification:

  • Main unit CCD1100S-CAN bus 

  • 3.2 inch TFT LCD screen (Resolution 320×240) 

  • IP67 

  • 12 / 24 VDC, programmable 

  • Real time clock 

  • Controls (2pcs), 7 buttons per side 

  • Control supports 

  • Connection CANépower 

Diameter Measurement: The transducer is mounted at the end of the right side main knife. Knife position is transfered via magnetic sensor (Hall effect) Technical Data: 

  • Magnetic absolute transducer 180 Degree 

  • Accuracy +/- 2 cm (theoretical) 

Measuring Wheel: Spring Loaded measuring wheel detecting movement both forward and backward. Technical Data: 

  • Magnetic transducer – Diameter 20 mm 

  • Accuracy +/- 3 cm 

  • Steel wheel – Diameter 85 mm 

Harvester Electrical Systems: The harvester control system is delivered pre-assembled and tested together with the control units. All systems are tested on the Kinetic 8×8. Electrical Components: 

  • Connecting cable 12 m (7 x 0.75 sq mm) 

  • Valve connectors (Set of 12) 

  • Inductive transducers (Set of 3) 

  • Cable protection tube