PONSSE H73 Service Training Download Page 36 | Manualshive

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S e r v i c e t r a i n i n g

000

04052000

7.4

25

1.

Disconnect the electric cable from the harvester head.

2.

Connect a pressure gauge to measurement connector.

3.

Start the motor and set the constant pressure:
- engage the working brake and constant rpms
- turn on the harvester head main switch

4.

Open the lock and adjust the pressure reducer valve by turning
adjustment screw no.

25

to obtain

120 bar

/

1740 psi.

(110-130 bar /

1595-1885 psi.).

5.

Lock the adjustment screw and connect the electric cable.

Pressure adjustments

Feed roller cylinder pinch pressure

NOTE! BE ESPECIALLY CAREFUL

NOT TO ADJUST THE PINCH

PRESSURE TOO HIGH.

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Summary of Contents for H73

Page 1: ...S e r v i c e t r a i n i n g ...

Page 2: ...r a i n i n g 1 2 3 4 5 6 7 8 9 10 Safety regulations Technical data Electrical equipment Adjustment and service instructions Testing instructions Hydraulics Pressure adjustments Extra equipments Scheduled maintenance ...

Page 3: ...ange of movement of the saw the delimbing knives or the feed rollers when the engine is running Safety while servicing and repairing 8 Danger to life When servicing the head make definitely sure that nobody starts the harvester If the harvester is started the knives and rollers will close the saw will return to its home position and the head will return to a horizontal position 9 Manual control Ea...

Page 4: ...pecting the limit switches saw bar saw chain and delimbing knives Do not slit yourself to the cutting edge of the delimbing knives Always wear protective gloves when handling the delimbing knives 17 Be aware of the danger of slipping when working on top of the harvester head 18 If oil gets on your skin re member to clean it off Take care of cuts and scratches immediately 19 Use safety goggles in s...

Page 5: ...5 Delimbing knives front 6 Delimbing knife cylinder front 7 Feed roller cylinder 8 Cradle 9 Tilt cylinder 10 Saw bar cylinder 11 Saw motor 12 Rotator 13 Serial number Give the serial number when ordering spare parts or otherwise contacting the manufacturer 14 Delimbing knives rear 15 Delimbing knife cylinder rear 16 Swing coupling 17 Feeding motor upper side 18 Feeding motor 2 pcs lower side ...

Page 6: ... F11 19 Power 45 kW Sawbar length 750 mm Chain speed 44 m s Chain pitch 0 404 Cutting diameter 640 mm Feeding unit Feeding type 3 spiked steel rollers Feeding force 26 kN Feeding speed 0 4 m s Delimbing unit One fixed ond four movable knives Delimbing diameter 670 mm Delimbing knives and feed rollers separately controllable Measuring and control automation PONSSE 1000 or PONSSE OPTI system Automat...

Page 7: ... c e t r a i n i n g 000 28022000 3 1 Harvester connector Valve connectors Saw sensor Length measure sensor Diameter sensor Tilt sensor Colour marking connectors Electrical equipment Electrical harness sensoring ...

Page 8: ...S e r v i c e t r a i n i n g 000 02052000 3 2 To crane Computer Electrical equipment Optinet To pivot frame ...

Page 9: ...rs open Front knives open Fast forward Fast reverse black black black brown brown blue brown blue Saw limit A Saw limit B black brown blue Tilt limit Feedcurrentlengthsensor red yellow green blue Length sensor Diameter sensor blue yellow Tilt up Rear knives open Rear knives open extra pressure Color 1 blue Color 2 red Urea valve Rotator right Rotator left Front knives open extra pressure GND ...

Page 10: ...ation Saw feed Slow forward Slow reverse Rollers open Front knives open Fast forward Fast reverse black black black brown brown blue brown blue Saw limit A Saw limit B black brown blue Tilt limit Feedcurrentlengthsensor red yellow green blue Length sensor Diameter sensor blue yellow Tilt up Rear knives open Color 1 blue Color 2 red Urea valve Rotator right KGK Rotator left KGK Front and rear knive...

Page 11: ...S e r v i c e t r a i n i n g 000 29022000 4 1 Sensor casing Sensor Rubber coupling Metering wheel Adjustment and service instructions Length measuring device ...

Page 12: ...R key to zero the length 9 Mark the zero point on the measuring roller and on the measuring roller housing Be careful not to move the roller 10 Check that the length on the display is zero 11 Rotate the measuring roller with force e g by kicking it 12 Rotate the measuring roller so the zero mark on the measuring roller is inline with the zero mark on the measuring roller housing 13 Check the lengt...

Page 13: ... a round one to the centre using the reaction brace 2 Check that the measurements A and B are equal If the difference is greater than 5 mm an adjustment has to be made A half revolution of the reaction brace is equivalent to a 5 mm change in the difference between measurements A and B Recheck the measurements 3 When the feeding rollers are closed the sensor reading must be 30 If the reading is som...

Page 14: ...tion and remove the old sensors 3 Use a thin bladed screwdriver or similat tool to check that the detector holes do not coincide with the sensor locations A B 4 Lightly screw the new sensors into place until they are seated 5 Unscrew the sensors one revolution to obtain a 1 mm gap 6 Tighten the locking nut C Adjustment and service instructions Saw sensor replacement ...

Page 15: ...S e r v i c e t r a i n i n g 000 29022000 4 5 Adjustment and service instructions Saw sensor replacement Sensors Adjustment plate Adjustment of sensors ...

Page 16: ...S e r v i c e t r a i n i n g 000 29022000 4 6 Adjustment and service instructions saw Adjustment of sensors Saw bar limit screw ...

Page 17: ... of the blade to a 45 angle Do not sharpen the bottom side Saw chain lubricating pump adjustment 1 Oil volume adjustment 2 Lubricating pump 3 Check valve 4 Lock nut NOTE If the adjusting screw is overtightened the pump will not function because the piston will not be able to move Oil volume adjustment Oil volume should be adjusted according to the type of oil used and the lubricating need Open loc...

Page 18: ...8 mm 3 Connect the conductors as follows Brown conductor to Blue conductor to Black conductor to IN NOTE If you are going to test two sensors at the same time connect as follows The brown conductors to The blue conductors to The black conductors to different IN poles 4 Put a piece of metal in front of the sensor If a red or yellow lamp lights on the tester the sensor is in good condition otherwise...

Page 19: ...depending on the rotating direction By connecting black and blue wires to the multimeter reading must be 10 kW 10 Rotating of the gear wheel may not affect the reading Resistance measurement Short circuit measurement Select the measuring unit by turning the switch as shown in the adjacent figure By putting both ends of the black and red measuring cables together you should hear an audible signal f...

Page 20: ...al multimeter will show the actual voltage at that moment at that point Testing instructions Using a digital multimeter Diode test When the digital multimeter is connected as shown in the adjacent figure and the switch on the digital multimeter is turned to the diode measuring mode the multimeter show a value between 0 5 0 7 Swapping the measuring cables on the diode should change the reading on t...

Page 21: ...S e r v i c e t r a i n i n g 000 29022000 6 1 Restrictors Feed valve fast Feed valve slow Feed pressure relief valve Restrictor Feed hydraulics ...

Page 22: ...S e r v i c e t r a i n i n g 000 29022000 6 2 Saw rotation hydraulics Saw valve Saw motor Casing line check valve Anticavitation valve ...

Page 23: ...S e r v i c e t r a i n i n g 000 29022000 6 3 Tank line Resistor check valve Saw motor hydraulics Cooling option ...

Page 24: ...S e r v i c e t r a i n i n g 000 29022000 6 4 F12 30 Saw rotation hydraulics F12 30 Casing line check valve Restrictor Anticavitation valve Pilot operated valve Main spindle ...

Page 25: ...S e r v i c e t r a i n i n g 000 29022000 6 5 Resistor check valve Directional valve Pressure reducer T line check valve Saw cylinder Saw feed hydraulics ...

Page 26: ...S e r v i c e t r a i n i n g 000 29022000 6 6 Lubrication pump Check valve Screen check valve Lubrication oil pump ...

Page 27: ...r v i c e t r a i n i n g 000 29022000 6 7 Lubrication pump Directional valve T line check valve Adapter block Pressure reducer Lubrication pump valve From measuring device Lubrication pump Opti oil control ...

Page 28: ...S e r v i c e t r a i n i n g 000 20032000 6 8 H73001 H73202 Saw Feed fast Feed slow Rear knives Feed rollers pressing Saw feed Front knives Tilting Rotator Saw feed Hydraulic diagram 2 power F11 19 ...

Page 29: ...S e r v i c e t r a i n i n g 000 20032000 6 9 H73203 Saw Feed fast Feed slow Rear knives Feed rollers pressing Saw feed Front knives Tilting Rotator Saw feed Hydraulic diagram 1 power F11 19 ...

Page 30: ...S e r v i c e t r a i n i n g 000 20032000 6 10 H73203 Saw Feed fast Feed slow Rear knives Feed rollers pressing Saw feed Front knives Tilting Rotator Saw feed Hydraulic diagram 1 power cooling F11 19 ...

Page 31: ...S e r v i c e t r a i n i n g 000 20032000 6 11 H73211 Saw Feed fast Feed slow Rear knives Feed rollers pressing Saw feed Front knives Tilting Rotator Saw feed Hydraulic diagram 1 power F12 30 ...

Page 32: ...S e r v i c e t r a i n i n g 000 20032000 6 12 Saw Feed fast Feed slow Rear knives Feed rollers pressing Saw feed Front knives Tilting Rotator Saw feed Hydraulic diagram Excavator 1 power ...

Page 33: ...re relief valve 6 Rear delimbing knife check valve 7 Rear delimbing knife direction valve 8 Tilt pressure reducer valve 9 Tilt direction valve 10 Saw check valve 11 Saw pressure reducer valve 12 Saw direction valve 13 Front delimbing knife pressure reducer valve 14 Front delimbing knife pressure relief valve 15 Front delimbing knife check valve 16 Front delimbing knife direction valve 17 Feed roll...

Page 34: ...ckwise no oil flow 5 Turn adjustment screw 26 counterclockwise As soon as the sound of oil flowing can be heard turn the adjustment screw clockwise until the sound of oil flowing stops 6 Turn the adjustment screw 26 clockwise one full turn 7 Lock the adjustment screw and connect the electric cable Pressure adjustments Harvester head pressure relief valve adjustment THE PRESSURE OF THE BASE MACHINE...

Page 35: ...pressure gauge to the measurement connector 3 Start the engine and set the constant pressure engage the working brake and constant rpms turn on the harvester head main switch 4 Open the lock and adjust the pressure reducer valve by turning adjustment screw no 23 to obtain 30 bar 435 psi 25 30 bar 363 435 psi 5 Lock the adjustment screw and connect the electric cable ...

Page 36: ...engage the working brake and constant rpms turn on the harvester head main switch 4 Open the lock and adjust the pressure reducer valve by turning adjustment screw no 25 to obtain 120 bar 1740 psi 110 130 bar 1595 1885 psi 5 Lock the adjustment screw and connect the electric cable Pressure adjustments Feed roller cylinder pinch pressure NOTE BE ESPECIALLY CAREFUL NOT TO ADJUST THE PINCH PRESSURE T...

Page 37: ... bar 1740 psi 120 140 bar 1740 2031 psi 5 Open the lock and turn adjustment screw 27 clockwise no oil flow then turn adjustment screw 27 counterclockwise until the sound of oil flowing can be heard Turn the adjustment screw clockwise until the sound of oil flowing stops The pressure relief valve is now at 120 bar 1740 psi 120 140 bar 1740 2031 psi 6 Adjust the pressure reducer valve by turning adj...

Page 38: ... 1740 psi 120 140 bar 1740 2031 psi 5 Open the locking screw and turn adjustment screw 28 clockwise no oil flow then turn adjustment screw 28 counterclockwise until the sound of oil flowing can be heard Turn the adjustment screw clockwise until the sound of oil flowing stops The pressure relief valve ís now at 120 bar 1740 psi 120 140 bar 1740 2031 psi 6 Adjust the pressure reducer valve by turnin...

Page 39: ...ement connector 4 Start the engine and set the constant pressure engage the working brake and constant rpms turn on the harvester head main switch 5 Open the lock and adjust the pressure reducer valve by turning adjustment screw no 22 to obtain 120 bar 1740 psi 6 Lock the adjustment screw and connect the electric cable Pressure adjustments Harvester head tilt cylinder pressure adjustment tilt ...

Page 40: ... main switch 4 While your assistant activates the rotator right function adjust the pressure to 200 bar 2901 psi using adjustment screw no 33 5 While your assistant activates the rotator left function adjust the pressure to 200 bar 2901 psi using adjustment screw no 34 6 Disconnect the gauges and reconnect the rotator hoses Pressure adjustments Rotator pressure relief valve adjustment Indexator AT...

Page 41: ...S e r v i c e t r a i n i n g 000 22032000 8 1 Crane Extra equipments Color marking device Shut off cock Electric valve Nozzles ...

Page 42: ...S e r v i c e t r a i n i n g 000 22032000 8 2 Crane boom head Electric valve Extra equipments Stump treatment system ...

Page 43: ...essure pressure reducer valve Pressure relief valve of feed roller cylinder H60 Pressure reducer valve of saw feed Pressure relief valve of front knives Pressure reducer valve of front knives Pressure reducer valve of rear knives H53 H73 Pressure relief valve of rear knives H53 H73 Tilt cylinder pressure of multi function unit Adjusment of rotator pressure relief valve Only the Indexator rotator P...

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