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Checks and repairs on hydraulic components

Checking the back pressure valve

WARNING

Slipping hazard from leaked oil.
Bruising and bone fractures possible.



Clean up any leaked oil with a cloth or suitable binding

agents.



Wear safety shoes with non-slip soles.

CAUTION

Health hazard from contact with hydraulic oil.



Wear nitrile gloves and chemical-resistant protective

goggles during work that may include contact with

hydraulic oil.

To check the back pressure valve, proceed as follows:



Move the unit into the repair position for the upper structures, see from

page 51.



Remove the carrying handle, see from page 50.



Mount the protective caps and protective plugs of the couplings, see from

page 49.



Release the screw connections (A) on the cover with two combination

wrenches WAF 10, as described in the chapter “Moving the unit into the

repair position for the lower structures”, see from page

52.

Содержание HYFLOW 230-2

Страница 1: ...store these maintenance and repair instructions together with the hydraulic unit Ensure that the maintenance and repair instructions are available to the qualified and authorized personnel at the TOR...

Страница 2: ...ting serious injury or death 10 Preventing explosion hazards 10 Preventing electric shock 10 Preventing burns from fire 10 Preventing burns from oil and hot surfaces 10 Preventing poisoning 11 Prevent...

Страница 3: ...ing the carrying handle 50 Moving the unit into the repair position for the upper structures 51 Moving the unit into the repair position for the lower structures 52 Carrying out checks and repairs on...

Страница 4: ...g the torque valve mechanically 84 Replacing the torque valve 86 Completing repair work 87 Mounting the unit on the oil tank 87 Cleaning unit 90 Carry out a test run 91 Disposal 92 In Europe 92 In the...

Страница 5: ...ions and details about the unit components can be found in the documentation from the respective manufacturers These documents are regarded as a part of these instructions Store these documents togeth...

Страница 6: ...you to easily distinguish the following elements Normal text Lists Action steps References to headers are set in quotation marks Labels of switches or other elements are set in inverted commas Table t...

Страница 7: ...he place of installation Responsibilities of the operating company The operating company has to ensure that all accident prevention regulations are observed The responsibility lies with the head of th...

Страница 8: ...zards which may arise from voltage and current able to assess hazards which may arise from noise and heat able to apply information from wiring and terminal diagrams able to install electrical connect...

Страница 9: ...ering safety devices Never bypass or shunt any safety devices Personal protective equipment Risk of crushing feet when lifting and carrying the unit Wear safety shoes with steel toes Risk of slipping...

Страница 10: ...cable is in perfect condition Disconnect the mains plug before carrying out electrical work on the unit or before cleaning the unit Use tools which are insulated up to at least 370 V If you detect a...

Страница 11: ...ccur The unit can fall if it is set up lifted or carried in an unsafe manner Risk of slipping and therefore bone fractures during hydraulic work Always place the unit on a level solid and strong surfa...

Страница 12: ...ifications from the manufacturer Preventing material damage Avoid soiling the couplings by installing the protective caps and protective plugs when the couplings are not in use Always set the hydrauli...

Страница 13: ...situations that can lead to property damage and limited functionality Warning and information signs Ensure that all warning and information signs attached to the unit remain well visible and legible...

Страница 14: ...ing and setting down 14 Carrying and setting down Only carry the unit by its carrying handle Place the unit on a dry level solid and strong surface Secure the unit and the associated tools against fal...

Страница 15: ...ne set of box and open end wrenches one set of hexagon socket wrenches one set of crosshead screwdrivers one set of slotted screwdrivers one torque wrench 10 30 N m with suitable attachments e g open...

Страница 16: ...the twists Have defective or bent hydraulic hoses replaced by qualified personnel see page 18 Electric supply lines Check electric supply lines for visible damage twisting and kinks Remove the twists...

Страница 17: ...l until it is tepid Place a container under the oil drain plug which can hold the oil volume in the unit 8 l 2 1 gal Open the oil drain plug The hydraulic oil will flow into the container Check the se...

Страница 18: ...type if any visible damage is found but after seven years at the latest To replace a hydraulic hose proceed as follows Switch off the unit To depressurize the unit press the Stop button on the remote...

Страница 19: ...op button on the remote control several times Disconnect the mains plug Release the screw connection A below the pressure gage Lift the pressure gage upwards to remove it Ensure that an intact O ring...

Страница 20: ...the capacitor see from page 36 Replace a defective capacitor see page 42 No pressure or pressure below 70 bar The solenoid valve is defective Check the solenoid valve electrically see page 43 Check th...

Страница 21: ...The pipe work is leaking Check the pipe work see page 80 Replace the leaking pipe work see page 83 The pressure is only 70 80 bar The solenoid valve is defective Check the solenoid valve electrically...

Страница 22: ...tches off The motor temperature is too high Wait about 10 minutes and switch on the unit If the motor switches off again check the motor temperature problem see page 36 The display on the pressure gag...

Страница 23: ...he electrical equipment Disconnect the mains plug from the socket Have work on electrical equipment carried out only by specialist personnel who are qualified for these tasks Proceed as follows to pre...

Страница 24: ...trical equipment Disconnect the mains plug from the socket Have work on electrical equipment carried out only by specialist personnel who are qualified for these tasks Proceed as follows to bring the...

Страница 25: ...t Have work on electrical equipment carried out only by specialist personnel who are qualified for these tasks To check the circuit board proceed as follows Move the unit into the repair position for...

Страница 26: ...ollows Move the unit into the repair position for the electric control see from page 24 Release all cable connections on the defective circuit board Release the screwed connection A of the defective c...

Страница 27: ...nel who are qualified for these tasks To check the energy supply proceed as follows Move the unit into the repair position for the electric control see from page 24 Connect the mains plug to a grounde...

Страница 28: ...continuity tester To check the power cord of the power supply with a continuity tester proceed as follows Connect a continuity tester to the brown wire P2 and the mains plug C Check whether the line i...

Страница 29: ...ry from electric shock caused by inexpert work on the electrical equipment Disconnect the mains plug from the socket Have work on electrical equipment carried out only by specialist personnel who are...

Страница 30: ...w wire of the power cord from the PE terminal Remove the cable feedthrough A of the power cord on the housing Remove the hose clamp of the power cord on the oil tank Remove the defective power cord In...

Страница 31: ...ric control Checking the remote control WARNING Risk of injury from electric shock caused by inexpert work on the electrical equipment Disconnect the mains plug from the socket Have work on electrical...

Страница 32: ...voltage of 230 V and a frequency of 50 60 Hz To check the input line connect a multimeter to the ON connection and the COM connection Check whether any voltage is present Connect the multimeter to the...

Страница 33: ...t the circuit board is fine In this case check the wiring of the remote control as follows Connect the multimeter with the wire of the ON connection and the wire of the COM connection Press the button...

Страница 34: ...eter to the wire of the OFF connection and the wire of the COM connection Press the OFF button A on the remote control Measure the electrical resistance The resistance has to be significantly less tha...

Страница 35: ...electrical equipment Disconnect the mains plug from the socket Have work on electrical equipment carried out only by specialist personnel who are qualified for these tasks To replace the remote contr...

Страница 36: ...te control Secure the remote control cable to the oil tank with the hose clamp Fix the remote control cable with the screw connection A Connect the wires X5 to the circuit board according to the termi...

Страница 37: ...identified by the following signs The motor temperature fuse automatically switches off the motor The capacitor A does not switch off The LED B on the circuit board goes out Excessive motor temperatur...

Страница 38: ...a temperature of about 25 C 77 F Check the temperature with a contactless thermometer Move the unit into the repair position for the electric control see from page 24 Connect the mains plug to a grou...

Страница 39: ...the capacitor is defective If the capacitor is defective replace it see page 42 To check the stator proceed as follows Let the motor cool down to a temperature of about 25 C 77 F Check the temperature...

Страница 40: ...e connecting terminal C and the red wire from the connecting terminal E Connect a multimeter to the black and the red cable Measure the electrical resistance The nominal resistance is 1 8 A significan...

Страница 41: ...ting terminal F Connect a multimeter to the blue and the white cable Measure the electrical resistance The nominal resistance is 5 2 A significantly different resistance indicates a defective stator C...

Страница 42: ...al PE upwards Remove the green yellow wire of the capacitor from the PE terminal Release the four nuts A with an open end wrench WAF 4 Use the four nuts and an open end wrench WAF 4 to install a funct...

Страница 43: ...specialist personnel who are qualified for these tasks To check the solenoid valve electrically proceed as follows Move the unit into the repair position for the electric control see from page 24 Veri...

Страница 44: ...If the relay B clicks audibly the relay is switching If the relay B does not click audibly the relay is defective If the control of the solenoid valve is defective replace the circuit board see from p...

Страница 45: ...ove the unit into the repair position for the upper structures see from page 51 Release the screw which holds down the solenoid valve connector C Remove the solenoid valve connector from the solenoid...

Страница 46: ...ultimeter to the two contacts F of the solenoid valve Measure the electrical resistance of the coil The resistance has to be 1100 10 If the resistance is outside this range the solenoid valve is defec...

Страница 47: ...ed as follows Move the unit into the repair position for the upper structures see from page 51 Release the screw which holds down the solenoid valve connector A Remove the solenoid valve connector fro...

Страница 48: ...4 O rings D are in the corresponding boreholes and that they are undamaged Connect the new solenoid valve and the valve block with the M5 hexagon socket screws using a 4 mm hexagon socket wrench Tigh...

Страница 49: ...o prepare checks and repairs on the unit Ensure that the couplings on the unit are secured with the appropriate protective caps and the protective plugs Remove the carrying handle see from page 50 Mov...

Страница 50: ...move the carrying handle proceed as follows Place the unit on a solid surface Release the screw connections A with two combination wrenches WAF 10 Remove the screws the nuts and the tooth lock washer...

Страница 51: ...Moving the unit into the repair position for the upper structures Proceed as follows to bring the unit into the repair position for the upper structures Place the unit on a solid surface Position the...

Страница 52: ...ents Wear safety shoes with non slip soles CAUTION Health hazard from contact with hydraulic oil Wear nitrile gloves and chemical resistant protective goggles during work that may include contact with...

Страница 53: ...hecks and repairs on hydraulic components 53 Remove the screws the nuts and the tooth lock washer and keep them in safe place Hold the unit by the couplings and on the underside of the electric contro...

Страница 54: ...ures through the jaws of the vise Use protective jaws for the vise Lift the cover with the structures from the oil tank Chuck the unit in a vise with the help of a second person Use the edge of the co...

Страница 55: ...esistant protective goggles during work that may include contact with hydraulic oil To check the torque valve electrically proceed as follows Move the unit into the repair position for the upper struc...

Страница 56: ...oil could be ejected through the ball bearing Support the cover with a rectangular piece of wood C Set the pressure of the unit to 0 bar with the torque valve Switch on the pump of the unit Press and...

Страница 57: ...hydraulic components 57 Check whether oil is dripping from the tank pipe borehole 5 E If oil is dripping from the tank pipe borehole 5 the torque valve is defective If the torque valve is defective r...

Страница 58: ...To check the solenoid valve electrically proceed as follows Move the unit into the repair position for the upper structures see from page 51 Remove the carrying handle see from page 50 Mount the prot...

Страница 59: ...oil could be ejected through the ball bearing Support the cover with a rectangular piece of wood C Set the pressure of the unit to 0 bar with the torque valve Switch on the pump of the unit Press and...

Страница 60: ...ydraulic components 60 Check whether oil is dripping from the tank pipe borehole 7 E If oil is dripping from the tank pipe borehole 7 the solenoid valve is defective If the solenoid valve is defective...

Страница 61: ...ical resistant protective goggles during work that may include contact with hydraulic oil To check the pump flange proceed as follows Move the unit into the repair position for the upper structures se...

Страница 62: ...oil could be ejected through the ball bearing Support the cover with a rectangular piece of wood C Set the pressure of the unit to 0 bar with the torque valve Switch on the pump of the unit Press and...

Страница 63: ...nts 63 Check whether oil is dripping from the pump flange E If oil is dripping from the pump flange the O ring of the pump flange is defective If the O ring of the pump flange is defective send the un...

Страница 64: ...t with hydraulic oil Wear nitrile gloves and chemical resistant protective goggles during work that may include contact with hydraulic oil To check the screen filter proceed as follows Move the unit i...

Страница 65: ...repair position for the upper structures see from page 51 Remove the carrying handle see from page 50 Mount the protective caps and protective plugs of the couplings see from page 49 Release the screw...

Страница 66: ...oil could be ejected through the ball bearing Support the cover with a rectangular piece of wood C Set the pressure of the unit to 0 bar with the torque valve Switch on the pump of the unit Press and...

Страница 67: ...e replace it see page 67 Replacing the maximum pressure valve WARNING Slipping hazard from leaked oil Bruising and bone fractures possible Clean up any leaked oil with a cloth or suitable binding agen...

Страница 68: ...the unit into the repair position for the lower structures see from page 52 Unscrew the maximum pressure valve A from the pump flange B with a combination wrench WAF 14 Screw a functioning maximum pr...

Страница 69: ...cking and replacing the pump element To check the pump element proceed as follows Move the unit into the repair position for the lower structures see from page 52 Release the screw connections A of th...

Страница 70: ...components 70 Place the pump element with the rear side facing upwards on a stable surface ensuring that the piston B does not slide from the housing C Press the ball D into the pump element with a s...

Страница 71: ...spring behind it If the ball is not being pushed out again the spring is defective If the spring is defective replace the pump element Fix the checked or replaced pump element with the 5 mm hexagon so...

Страница 72: ...ical resistant protective goggles during work that may include contact with hydraulic oil To check the low pressure cut off valve proceed as follows Move the unit into the repair position for the uppe...

Страница 73: ...oil could be ejected through the ball bearing Support the cover with a rectangular piece of wood C Set the pressure of the unit to 0 bar with the torque valve Switch on the pump of the unit Press and...

Страница 74: ...f valve is defective replace it see from page 74 Replacing the low pressure cut off valve WARNING Slipping hazard from leaked oil Bruising and bone fractures possible Clean up any leaked oil with a cl...

Страница 75: ...e unit into the repair position for the lower structures see from page 52 Unscrew the low pressure cut off valve A from the pump flange B with a combination wrench WAF 17 Screw a functioning low press...

Страница 76: ...ical resistant protective goggles during work that may include contact with hydraulic oil To check the back pressure valve proceed as follows Move the unit into the repair position for the upper struc...

Страница 77: ...oil could be ejected through the ball bearing Support the cover with a rectangular piece of wood C Set the pressure of the unit to 0 bar with the torque valve Switch on the pump of the unit Press and...

Страница 78: ...rs on hydraulic components 78 Check whether oil is emitted from the back pressure valve E If oil is emitted from the back pressure valve it is defective If the back pressure valve is defective replace...

Страница 79: ...ed as follows Move the unit into the repair position for the lower structures see from page 52 Unscrew the back pressure valve A from the valve block B with a combination wrench WAF 14 Screw a functio...

Страница 80: ...contact with hydraulic oil Wear nitrile gloves and chemical resistant protective goggles during work that may include contact with hydraulic oil To check the pipe work proceed as follows Move the unit...

Страница 81: ...oil could be ejected through the ball bearing Support the cover with a rectangular piece of wood C Set the pressure of the unit to 0 bar with the torque valve Switch on the pump of the unit Press and...

Страница 82: ...hecks and repairs on hydraulic components 82 Check whether oil is dripping from the pipe work E If oil drips from the pipe work it is defective If the pipe work is defective replace it see from page 8...

Страница 83: ...n end wrench WAF 19 Unscrew the pipe work A from the pump flange B with a combination wrench WAF 14 Press the functioning pipe work into the screw collar of the valve block Hold the screw collar with...

Страница 84: ...on the unit are secured with the appropriate protective caps and the protective plugs Move the unit into the repair position for the upper structures see from page 51 Carrying out checks and repairs...

Страница 85: ...shaped knob clockwise until it rests against the wing nut Removing the shim allows the torque valve to be screwed in further which raises the pressure Use the star shaped knob to turn the torque valve...

Страница 86: ...leasing the wing nut To replace the torque valve proceed as follows Move the unit into the repair position for the upper structures see from page 51 Release the wing nut B Turn the star shaped knob C...

Страница 87: ...ding agents Wear safety shoes with non slip soles CAUTION Health hazard from contact with hydraulic oil Wear nitrile gloves and chemical resistant protective goggles during work that may include conta...

Страница 88: ...Completing repair work 88 Ensure that the seal F at the top of the oil tank is installed and undamaged Place the unit D onto the oil tank E...

Страница 89: ...A into the boreholes from the top Secure the power cord to the oil tank with a hose clamp Secure the remote control cable to the oil tank with a hose clamp Slide one tooth lock washer over each thread...

Страница 90: ...m contact with hydraulic oil Wear nitrile gloves and chemical resistant protective goggles during work that may include contact with hydraulic oil ATTENTION Water or steam may enter into the unit Ther...

Страница 91: ...Carry out a test run 91 Carry out a test run After each maintenance or repair measure carry out a test run according to the operating instructions for the unit...

Страница 92: ...lic oil Dispose of hydraulic oil in an environmentally friendly manner using a specialist firm Replaced wear parts and defective components consist of e g the following materials steel rubber plastic...

Страница 93: ...raulic oil Dispose of hydraulic oil in an environmentally friendly manner using a specialist firm Replaced wear parts and defective components consist of e g the following materials steel rubber plast...

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