Tractive Pentpak HF-power pack Operator'S Manual Download Page 1

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Operator’s manual

Pentruder

8-20HF / 8-20iQ HF-wall saw

Pentpak

High frequency power pack

Summary of Contents for Pentpak HF-power pack

Page 1: ...Operator s manual Pentruder 8 20HF 8 20iQ HF wall saw Pentpak High frequency power pack ...

Page 2: ... Pentruder 8 20HF 8 20iQ and Pentpak HF power pack 9 Safety precautions 9 Getting started 11 Preparations before commencing work 11 Preparation and mounting of track feet and tracks 13 Mounting the saw head on the track 15 Quick disconnect coupling for HF motor on saw head 16 Quick disconnect coupling for the saw blade 17 Function principle 17 How to fit a blade on a standard blade flange 18 How t...

Page 3: ...most efficient machines available on the market today Please take careful note of the Safety Precautions The third section of this manual page 11 35 contains a description how to get started with the machine Please take careful note of the Safety Precautions The fourth section of this manual page 36 43 contains instructions how to maintain the equipment and technical data Important When you read t...

Page 4: ... for the 22 kW motor The machine is ideal for cutting with blades from Ø 800 32 to 2000 mm 78 diameter Lightweight saw head built from aircraft quality components machined from high tensile strength billet aluminium No castings are used Quick release coupling for the HF motor on the saw head To put the motor on the saw head or to remove it takes just a few seconds Quick release mechanism of saw he...

Page 5: ...ts of the saw head as a result of a failed electric motor brake The worm screws are supported by oil lubricated axial needle roller bearings and axial thrust ball bearings The HF motor has a long life multi plate slip clutch for protection of the gear train if a blade is jammed The slip clutch can easily be removed and serviced or replaced if needed The arm rotation transmission is protected by a ...

Page 6: ...hances safety and simplifies awkward set up s considerably especially when flush cutting must be performed The saw blade can always be fitted after the machine is mounted radially and heavy and troublesome set up s can be eliminated to a great extent Mounting a saw blade for flush cutting has always been relatively awkward and often one must mount the saw head and the saw blade together and it can...

Page 7: ... are used The tracks have stainless steel rails on which the rollers run They offer high wear resistance and precise control of the saw head The grooves into which the guide rails are located have been machined with great precision The tracks are quickly and easily mounted in an easily accessible yoke by means of a T slot piece which in turn is provided with a lubricated and protected screw and ca...

Page 8: ... regulations put new and higher demands on safety and thereby on the blade guards Because of the lightweight design it is more likely that the operator will choose to use the blade guards on all jobs this has not always been so The guards on the Pentruder 8 20HF are so convenient and lightweight they should always be used It is a basic requirement for safe handling of the machine Spray from the sa...

Page 9: ...ssible position and still have full control of the machine The remote control system contributes to a high level of safety All functions are reset automatically when the power supply is disconnected or when any of the Emergency Stop buttons are depressed The blade if in rotation and in a cut will continue to rotate because of its inertia but will coast to a stop after a few seconds If the blade is...

Page 10: ...achines and accessory equipment of Tractive s manufacture and origin If the Pentruder saw head is used with non original equipment the warranty will be void Safety precautions It is of paramount importance that the operator has full knowledge and understanding of the instructions below This wall saw may not be used unless the operator is fully familiar with the contents of this manual and has been...

Page 11: ... this manual Warning To maintain the level of safety inherent in the design of this machine only Tractive original spare parts may be fitted Tractive AB disclaims all responsibility for damages occurring as a result of use of non original parts Important The power pack should preferably only be operated when it is put on its back with the hour meter pointing upwards Important The power pack is wat...

Page 12: ...hen worn or if rollers don t run freely Remote Control unit Check the remote control unit for correct function and that the Cannon connector is clean and undamaged Water feed Check that the machine can be supplied with clean cold water minimum 4 L minute 1 GPM Water seal on saw head In the saw arm there is a rotating shaft with seals used to feed the water into the centre of the spindle and furthe...

Page 13: ...fuses can be used but then the power output must be reduced by turning the feed rate knob on the remote control to 65 Safety precautions on the site Check with the foreman responsible that all necessary precautions have been performed before commencing work Await the approval of the safety precautions and mounting position of the machine from a responsible person before work is commenced Warning I...

Page 14: ... must be securely fixed with through bolts and large washers to achieve the required level of safety Positioning of feet The track feet should preferably be mounted in the position shown in the picture above The distance from the edge of the feet to centre of cut is then 127 mm 5 The distance from anchor bolt to centre of cut is 217 25 mm 8 54 1 The track feet are designed to fit the track to the ...

Page 15: ...t the rear of the tracks These T slot clamps can be locked in any position by means of a knurled knob A clamp screw is fitted in to the fork and should be tightened to 50 Nm fairly hard with a 19 mm 3 4 spanner Important Be sure to check that the fork is aligned with the track and that there is no gap which can cause the track to be warped Warning Be careful to position the clamp screw in the coun...

Page 16: ...rack the bottom rollers engaged first Then fold the saw head towards the track to engage the eccentric rollers move head slightly along the track to engage the travel gear with the rack release the locking pins and turn the handles inwards until the locking pins engage again Warning Before the saw is operated always check that the eccentric shafts are locked in position to prevent the saw from fal...

Page 17: ...e is working To fit the HF motor align the splined drive shaft and clamp studs with the holes in the saw head rotate the saw blade very slowly by hand until the splines fits and motor seats properly Then tighten the clamp screws using the 8 mm Allen T key To remove the HF motor turn the clamp screws three 3 full turns CCW and pull the motor straight out from the saw head Warning To avoid any possi...

Page 18: ... the same time interlocks the coupling by blocking the T slot This principle is very safe as it does not require more than one single operation to be carried out to clamp and interlock the coupling Even if the coupling is not completely tightened the saw blade can not fall off the spindle as the conical ring keep the blade on the spindle It is however very important that the dogs are completely in...

Page 19: ...nge and is clamped by the outer collar with a special centre bolt Grease the centre bolt and thread regularly The centre screw should be tightened to 60 70 Nm for the version with two friction surfaces and 40 Nm for the version with one friction surface see picture below for difference Don t mix the different versions The blade and flange are now ready to be fitted on to the machine spindle with t...

Page 20: ...and the fasteners must be torqued with a torque wrench to 35 Nm for M8 screws and to 50 Nm for M10 and 3 8 screws The threads must be lubricated with grease or oil Warning The saw blade must always be fitted correctly to avoid danger The instructions given above must always be followed to avoid faulty mounting of the blade which in turn can cause serious personal injury or death Warning It is impo...

Page 21: ...radial T slot to the centre of the flange On the opposite side of the T slot there is a groove and this groove should be positioned upwards when the blade flange is mounted on the saw head spindle Use a torque wrench to tighten the clamp bolt on the rear side of the spindle Tighten to about 40 Nm Do not overtighten the coupling clamp screw Warning Always keep all part of the coupling clean The saf...

Page 22: ...r 8 20HF and 310 1180 rpm for the Pentruder 8 20iQ is available The difference between the Pentruder 8 20HF and the Pentruder 8 20iQ is that the Pentruder 8 20iQ has 20 lower spindle speed and 20 higher torque which makes is suitable for cutting with big blades and in hard concrete Warning The peripheral cutting speed may not exceed approximately 56 metres second as this can cause the blade to fai...

Page 23: ...ameters with blade speed potentiometer setting at 90 which corresponds to 400Hz Gear Ø 600 Ø 800 Ø 1000 Ø 1200 Ø 1600 Ø 2000 1 460 rpm 14 6 19 5 24 4 29 2 39 0 48 8 2 670 rpm 21 0 28 0 35 0 42 0 56 0 Not permitted 3 840 rpm 26 5 35 3 44 1 52 9 Not permitted Not permitted 4 1055 rpm 33 3 44 4 55 4 Not permitted Not permitted Not permitted Pentruder 8 20HF with 15 18 22 kW HF motor and potentiometer...

Page 24: ... 39 5 44 47 5 53 Not permitted Not permitted 4 945 1065 rpm 30 33 40 45 50 56 Not permitted Not permitted Not permitted Pentruder 8 20iQ with 15 18 22 27 kW HF motor and potentiometer setting at 90 The values for the 27kW HF motor are in paranthesis Spindle speed in rpm and peripheral cutting speed in metres second for different blade diameters with blade speed potentiometer setting at 100 Gear Ø ...

Page 25: ...eed may not exceed approximately 56 metres second as this can cause the blade to fail In the worst case segments can come loose and be thrown with high velocity Warning If the wrong gear and potentiometer setting is used the blade can rotate with a too high peripheral speed which can cause the blade to fail and lead to fatal injury ...

Page 26: ...ant Do not use a ratchet to shift gears The gear selection mechanism may then be damaged Warning The gear selection knob may not be operated before first disconnecting the two power cords from the saw This important rule must always be strictly followed to ensure that the blade motor cannot be inadvertently started Failure to follow this instruction may result in serious personal injury or death T...

Page 27: ...00 400 800 600 1000 1 st gear 350 Hz Potentiometer at 80 400 Hz Potentiometer at 90 440 Hz Potentiometer at 100 2 nd gear 3 rd gear 4 th gear Graph shows torque for a fictive not Tractive wall saw without a multi step gearbox Torque is constant up to 950 rpm Power is proportional to rpm Unfortunately if rpm is halved output in kW is also halved kW Torque in Nm RPM 9550 constant With a gearbox the ...

Page 28: ...together and take off the guard Warning The blade guard has many functions The most important one is to protect the operator and other persons from accidental injury For example in a situation when the operator or someone else accidentally falls against the machine the guard is there to as well as possible protect against contact with the running blade In other potentially dangerous situations for...

Page 29: ...ly The power pack is water cooled and needs a minimum of 4 litres 1 gallon of cool water per minute at full power output The water pressure should be at least 1 bar 45 PSI and maximum 5 bar 72 5 PSI The water supply may only be connected to the short hose on the power pack water valve Important In sub zero temperatures the remaining water inside the power pack cooling circuit must be blown out wit...

Page 30: ...y The power pack must be connected to a 5 pin 380 480 V 3 phase supply with minimum 16 Amp fuses A neutral is NOT needed other than for the 230V single phase supply Connecting to mains The power pack is equipped with a 32 Amp receptacle To use other sizes than 32 Amp plugs an adaptor must be fitted 32 Amp 5 pin Euro standard receptacle 230V on a 400V supply max 10 Amp A neutral is needed to the 32...

Page 31: ...eed and travel motors grey remote control cord to the power pack and lastly a 380 480V 3 phase cord to the mains Then press the green push button A green light in the button should then come on Connector for remote control unit Connector for feed and travel motors on saw head Connector for HF motor on saw head Coupling for water from power pack to hose to saw head Coupling for water supply to the ...

Page 32: ...lt conditions Eliminate the cause of the problem i e replace blown fuses repair cords repair or replace plugs and receptacles Note To allow capacitors in the inverter to discharge at least one minute must elapse after the emergency stop button is pressed and the green start button is pressed LED indicating status for the power pack One blink Overcurrent alarm May occur if the blade is jammed in th...

Page 33: ...erature sensor in windings is not working correctly Three blinks HF motor or motor cable is not working correctly Short or open circuit Quick blinks HF motor temperature is high output power is automatically reduced Increase water flow Continuously on HF motor has been shut off due to over temperature This can also indicate that no HF motor is connected or that the power pack doesn t find a motor ...

Page 34: ...s when connecting the connector on the saw head is faulty 2 Pentpak is powered and the green start button on the Pentpak button has been pressed One blink Short circuit in the feed cable saw head or any of the feed motors Two blinks 24V under voltage alarm The voltage has dropped below 18V Three blinks Automatic identification of machine type not working correctly The chassis ID is wrong Nothing i...

Page 35: ...s push the Blade ON OFF switch forward to start the blade The blade will start rotating slowly CW clock wise seen from the blade side the normal direction of rotation Turn up the rpm by turning the blade speed control knob To stop the blade push the Blade ON OFF switch forward once again Warning Torque wrench must be used for tightening the centre screw on the blade flange the torque setting shoul...

Page 36: ...ch maximum power At 100 the feed regulation is more aggressive than at 90 or 80 but the machine will always try to reach maximum power also at the 80 or 90 setting If the potentiometer is turned below 80 the power output will be reduced correspondingly Joystick for control of the movement of the saw head and radial arm Flick the joystick up or down to rotate the radial arm Flick the joystick left ...

Page 37: ... and the female thread on the blade flange should be clean and well lubricated The friction surfaces on the blade flange should be kept dry and clean Cleaning The machine should be carefully cleaned and all functions checked and found normal before use of the machine If a high pressure cleaner is used the nozzle may NOT be pointed at rotating parts on the machine Avoid pointing at seals and electr...

Page 38: ...specifications Clean the magnetic plug fit it and tighten again Cooling housing at rear of HF motor Fill with 85 ml of Mobil SHC 626 at service every 80 hours of operation Overload clutch If any of the overload clutches have been overloaded or worn out a trained mechanic can repair the coupling by replacing the clutch plates The coupling is easy to replace and must not necessarily be brought to yo...

Page 39: ...als are not replaced in time water may enter the saw arm transmission and gearbox which may cause the transmission to seize or cause irreparable damages Please take care to replace the seals every month Procedure to replace water seals 1 Use two screwdrivers to pry out the seal cartridge as shown in the picture below The seal arrangement is shown in the bottom picture Please note the wear sleeve o...

Page 40: ...m rotates The whole assembly must be disassembled cleaned and greased regularly to function well 1 Remove the blade flange from the spindle 2 Remove the 16 M4 countersunk screws and remove the stainless steel ring 3 Remove the 16 M4 Allen Screws and take off the flange 4 Disassemble the various parts and clean in a solvent 5 Grease all parts and replace worn O rings See spare parts manual for part...

Page 41: ... load 1 st gear 400 510 rpm 2 nd gear 580 740 rpm 3 rd gear 740 920 rpm 4 th gear 930 1160 rpm 350 440 Hz Travel Motor Max speed 24V DC 1 8 m min Feed Motor Max arm rot Speed 24V DC 0 9 rpm Water feed Central through the blade flanges Standard blade flange 60 mm arbor size 156 mm outer diameter 1 arbor size 6 1 outer diameter 1 3 8 arbor size 6 1 outer diameter Flush cutting flanges 60 mm arbor si...

Page 42: ...5 18 22 27 kW Minimum fuse 16 Ampere 25 Ampere for 27 kW 40 Ampere Recommended fuse 40 Ampere 80 Ampere Current draw at max output 56 Ampere 15 22 kW 90 Ampere Recommended generator size 45 kVA 45 kVA Output voltage to feed and travel motors 24 VDC 24 VDC Height incl handles connectors etc 28 cm 11 28 cm 11 Width incl handles connectors etc 30 cm 11 8 30 cm 11 8 Length 68 cm 26 8 68 cm 26 8 Weight...

Page 43: ...ve 2006 42 EC Is in conformity with the provisions of the following other EC directives Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC In accordance with the EC declaration of conformity the product must not be modified without the manufacturer s permission If this occurs this documented EC declaration ceases to apply and the modifier is considered to be the manufacturer and must verif...

Page 44: ...ve 2006 42 EC Is in conformity with the provisions of the following other EC directives Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC In accordance with the EC declaration of conformity the product must not be modified without the manufacturer s permission If this occurs this documented EC declaration ceases to apply and the modifier is considered to be the manufacturer and must verif...

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