Pentruder 6-12HF Operator'S Manual Download Page 1

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Operator’s manual

Pentruder

6-12HF wall saw

Pentpak

high frequency power pack

Summary of Contents for 6-12HF

Page 1: ...Operator s manual Pentruder 6 12HF wall saw Pentpak high frequency power pack ...

Page 2: ...e Pentruder 6 12HF and Pentpak HF power pack 10 Safety precautions 10 Getting started 12 Preparations before commencing work 12 Preparation and mounting of track feet and tracks 14 Mounting the saw head on the track 16 Quick disconnect coupling for HF motor on saw head 17 Quick disconnect coupling for the saw blade 18 Function principle 18 How to fit a blade on a standard blade flange 19 How to fi...

Page 3: ...he different features which make the Pentruder 6 12HF to one of the safest and most efficient machines available on the market today The third section of this manual page 12 33 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 34 41 contains instructions how to maintain the equipment and technical da...

Page 4: ...ht only 21 kg for the saw head less motor and 13 28 6 kg for the 15 kW 20 HP or 16 5 36 lbs for the 18kW 24HP motor For efficient cutting with blades from Ø 800 32 to 1200 mm 48 diameter Lightweight saw head built from aircraft quality components machined from solid aluminium No castings are used Pos A Quick release coupling for HF motor on saw head To put the motor on the saw head or to remove it...

Page 5: ... can be rotated through 360 degrees in either direction The saw head accepts an 800 mm 32 saw blade free from the wall Double motor cooling system i e both rotor and stator are cooled for sustained reliable power and high efficiency Efficient water supply to blade central through blade flange even for flush cutting blades 21 kg 13 kg ...

Page 6: ...electric motor brake Pos J The worm screws are supported by oil lubricated axial needle roller bearings and axial thrust ball bearings Pos K Main 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 if needed Pos L The arm rotation transmission is protected by a multi plate slip clutch if a blade i...

Page 7: ...nhances 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 ca...

Page 8: ...ed with another wall saw The tracks have steel guide rails on which the rollers run They offer high wear resistance and precise guidance 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 ...

Page 9: ...ety 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 6 12 HF are so convenient and lightweight they should always be used It is a basic requirement for safe handling of the machine Spray from the saw blade is reduced thanks to the extra swivel...

Page 10: ... possible 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...

Page 11: ...machines 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 bee...

Page 12: ...motors Warning Track brackets may only be mounted according to the instructions given in 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 any damage occurring as a result of use of non original parts Important The power pack should preferably only be operated when...

Page 13: ...nge and for tightening the clamp screw that clamps the blade flange to the machine Quick disconnects Check the HF motor quick disconnect coupling for correct function and cleanliness Grease coupling screw threads once per week Guide rollers Check that the guide rollers on the saw head can move freely without too much friction A certain amount of friction is always present as the bearings are doubl...

Page 14: ...very day and the oil in the arm should be checked once a week If the seals 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 see the Maintenance section for instructions on how to replace the seals Safety precautions on the site Check with the foreman responsible that all necessary precautions...

Page 15: ...ould 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 128 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 surface the machine will work on The feet must be fixed by means of M12 x 50 1 2 x 2 screws of 10 9 quality or better using a thick washer...

Page 16: ...se 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 the cut to be uneven and the feed regulation to be bad Warning Be careful to position ...

Page 17: ...s engaged first Move the saw head slightly along the track to engage the travel gear with the rack then fold the saw completely on to the track press the locking pins and turn the handles until the locking buttons pops up again Warning Before the saw is operated always check that the eccentrics are locked in position to prevent the saw from falling off the track Do not turn the handles unless the ...

Page 18: ...ne 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 poss...

Page 19: ... 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 mes...

Page 20: ...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 the quick coupling s...

Page 21: ...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 important to be aware of the fact that when a flush cutting blade...

Page 22: ...adial 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 over tighten the coupling clamp screw Warning Always keep all part of the coupling clean The saf...

Page 23: ...pheral cutting speed 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 For very hard aggregate the peripheral cutting speed should not exceed 30 metres second Warning If the wrong gear and potentiometer setting is used the blade can rotate with a too high peripheral speed which can cause the ...

Page 24: ...ing at 90 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 started unintentionally Failure to follow this instruction may result in serious personal injury or death The power pack can be placed out of sight of the operator out of reach for the...

Page 25: ...speed There is a reference mark in the housing in the form of a groove To shift gear if the gear is in position 1 push in the gear shift knob turn the blade slightly while turning the knob CCW to position 2 which is the fast speed Even if there is a hex hole avoid using tools to shift gears To shift gear if the gear is in position 2 push in the shift knob turn the blade slightly while turning the ...

Page 26: ...on the saw arm Then the safety lock is slid down and secured with an 8 mm 5 16 Allen key To remove the guard first remove the safety lock and press the two locking screws on the guard 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 In a situation when for example the operator or so...

Page 27: ...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 15 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 28: ...cted to a 5 pin 380 480 V 3 phase supply with minimum 16 Amp fuses We recommend to use a 40 Amp fuse if possible With 16 Amp fuse the power output must be reduced by turning the feed rate knob on the remote control 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 adapt...

Page 29: ...rey 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 power pack Start button...

Page 30: ...sh the Emergency stop button 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 ...

Page 31: ...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 32: ...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 33: ...ly CW clock wise seen from the blade side the normal direction of rotation Turn up the rpm by turning the blade speed control knob As soon as you turn up the potentiometer for blade speed control it will rev up to 70 of maximum rpm Use the potentiometer for blade speed control to set the desired rpm of the blade To stop the blade push the Blade ON OFF switch forward once again Warning Torque wrenc...

Page 34: ...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 35: ...nge The threads on the centre screw 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...

Page 36: ...e and any warranty is void Unscrew the oil plug and drain the gearbox completely Refill with 0 235 L 0 248 quart of clean and preferably filtered gearbox oil Mobil SHC 626 synthetic oil with 75W viscosity The oil must meet GL5 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 O...

Page 37: ...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 38: ...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 39: ...oad 1 st gear 640 800 RPM 2 nd gear 940 1200 RPM 350 440Hz 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 size 6x M8 P C D 130 mm 60 mm arbor size 6x M10 P...

Page 40: ...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 41: ...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 42: ...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 verify a...

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