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Chapter Five Common Malfunctions and Solutions

5.1 Hydraulic System Common Malfunctions and Solutions

5.2 Hydraulic system failures and troubleshooting

）

Phenomenon: No pressure or low pressure

No.

Causes

Measures

Reversed

phase

abnormality

Power supply wiring is incorrect.

According to R phase: red, S phase:

white, T phase: blue, correctly

connected, if the reverse phase still

occurs, R phase and T need to be

exchanged with each other.

Abnormal

leakage

Power supply cable is faulty.

Check each power cable in turn.

The plug is loose or damaged, leading to

water ingress.

After drying the water, tighten or

replace the plug.

The cable is damaged, leading to water

ingress.

After drying the water, replace the

cable.

Machine head water inlet.

After drying the water, disassemble

the motor and dry it.

In-machine

solenoid

valve group

failure

Solenoid valve coil disconnected.

Reconnect or replace the solenoid

valve.

Poor contact between the solenoid valve

and the target box connection.

Lock the cable.

Failure of the relay in the target box.

replace.

Cutter

overload

The console shows that the current

exceeds the maximum limit current of the

deck motor.

Adjust the limit value or adjust the

operation to reduce the operating

current of the cutterhead motor.

Live

operation

handle

abnormality

Water in the handle, rusted switch leads

to abnormal contact.

Clean contacts or replace handles.

The handle connection cable is damaged

or short-circuited.

Repair or replace the cable.

Work or

instrument

lights are

off

Broken fuse

replace

Rocker switch is damaged

Repair or replace

Light bulb damage

replace

Line connector loose

Repair line

No.

Causes

Measures

Hydraulic pump steering error

Change direction

Содержание XDN450

Страница 1: ... Xuzhou Construction Machinery Group Co Ltd XDN450 Pipe Jacking Operation Manual ...

Страница 2: ...ering due to some minor mistakes in operation This company takes no responsibility for any adverse consequences in the following conditions 1 unauthorized modification 2 unstandardized operation 3 Any operation out of the range of application This company will not provide three guarantees for repair replacement or compensation of faulty products in the following conditions 1 incorrect operation 2 ...

Страница 3: ...hapters 1 Safety requirements 2 Product information 3 Operation instruction 4 Lubrication and maintenance 5 Common troubleshooting 6 Transportation storage and protection And each chapter is further divided into sections with page number in the bottom right corner corresponding to the contents for your fast location Ⅰ ...

Страница 4: ... 5 Main technical features of equipment 4 2 6 Product Nameplates 5 2 7 Main technical features of equipment 5 2 8 Components and Structures 6 2 9 Using and operation 11 3 1 Device installation 15 3 2 Equipment safety inspection 20 3 3 Start machine 20 The action of internal bypass valve and inside and outside bypass valve must be checked before conveying slurry action 22 4 1 Recommendation Form of...

Страница 5: ...e control panel pedal plate and handle clean and regularly check the oil channels and lubrication grease to avoid possible dangers 6 Joystick and rubber pipe can t be used as handle to avoid any mistakes in operation 7 Please line out the construction area in advance and set some warning marks around it 8 When two people conduct the operation and maintenance at the same time one should monitor the...

Страница 6: ...ntial dangers which may result in possible equipment damage serious injury or even death Caution This safety sign means that failure to observe the standard operation stipulated in this manual would lead to potential dangers which may result in possible equipment damage slight or medium injury 1 1 Safety of the machine Related personnel including operating personnel and maintenance personnel shoul...

Страница 7: ...injury or death Keep a safe distance to the machine in operation Please carefully read this instruction manual especially the parts with regard to safety before operation With any problem please contact our sales department Risk of electrical shock Keep a safe distance Keep a safe distance to the articulated area of the machine Danger Rolling wheel gear keep hands and arms away Product information...

Страница 8: ...ules in part 1 5 Keep a safe distance to the high pressure jet nozzle in operation Keep a safe distance to the ground anchor Keep a safe distance to the machine to avoid being wounded by object throwing out Risk of electrical shock Danger of fire highly flammable mate rials Caution Danger Product information 19 ...

Страница 9: ...afety Sign Illustration No smoking No burning Must wear safety helmet Must wear protective gloves Must wear protective footwear Hydraulic oil sign Lubrication oil filling port sign Product information 20 ...

Страница 10: ...in accordance with the safety regulations otherwise may bring you some unnecessary bothering due to some minor mistakes in operation 1 3 3 Do not put engine oil toolbox and other materials on the equipment otherwise may result in damage to the machine 1 3 4 Understand and master particular hands signals and only receive hands signals from specially assigned personnel Lubricating grease filling por...

Страница 11: ...d off otherwise the stray current and voltage produced during the welding process will damage the electrical elements 1 4 Major dangers 1 4 1 When abnormal condition or personal injuries occurred scram button should be pressed to shut down the equipment 1 4 2 When the equipment is working the main oil cylinder pushes the head to move forward keep away from the motion to avoid personal injuries 1 4...

Страница 12: ...chose Frequently and change it when partial swell leakage or wear out is observed 1 4 6 Check the electric wire harness Frequently and change it when insulated skin peeling ageing or wear out is observed Product information 23 ...

Страница 13: ...o keep the head running smoothly 1 5 4 Leakage of hydraulic oil Carefully observe the hydraulic oil of the hydraulic system and find out the reason and repair it if leakage exists When checking or repair the leakage of pressure pipe before the pressure is released use a thin plate or paperboard to shield any spraying liquid under high pressure that could cause severe injuries through the skin 1 5 ...

Страница 14: ...p once the hand lever is malfunctioned or hydraulic pipe blows out or wears out 1 5 7 Usage of mud pump Pump is forbidden to start without mud supply Any other attentions is list on the instruction manual of mud pump 1 5 8 Usage of engine Safety operation of the engine is list on the instruction manual of engine Product information 25 ...

Страница 15: ...Extinguisher Extinguisher should be able to put out the fire caused by oil and electricity 1 6 2 Working light If the visibility is low working lights set by the users should provide enough lights for construction site Product information 26 ...

Страница 16: ... 1 7 Classification of Underground Haz Electricwire Naturalgaspipeline Optical fiber cable Waterpipe Discharge pipe Transmission pipes for other chemical materials liquid or gas Product information 27 ...

Страница 17: ...es of natural gas sites Configure the methane alarm When the methane concentration exceeds the standard immediately cut off all equipment power and report it to the gas company for maintenance When the risk factor is removed the construction can be continued 1 8 2 3 Prevention measures of other sites For construction sites with other underground hazards communication and consultation need to be co...

Страница 18: ...equipment through various cables on the drill pipes flexiblepipes and machines 1 9 3 Current with low voltage can also cause fatality 1 9 4 Electric shock can be presumed and the machine should be shut down and examined if the following situations occur 1 power failure 2 smoulder 3 explosion 4 noise of burst 5 electricarc Product information 29 ...

Страница 19: ...pipeline is jacked to break 1 Shut down the engine immediately and eliminate all kinds of combustionsource 2 Leave the site as soon as possible 3 Warn and evacuate people to leave the site 4 Contact relevant utility piping departments 5 No access to the site prior to the permission of the pipeline department 1 10 3 Take the following measures when the optical fiber cable is drilled to break 1 Shut...

Страница 20: ...inder and pushes the main jacking device through the jacking iron and the jacking ring and then pushes the main jacking device into the formation The main jacking cylinder is retracted to the end when the jacking is completed Downhole pipe jacking operations The pipe is placed on the guide rail of the main top device with the lifting device The mud pipe and the connection harness are installed the...

Страница 21: ...f the excavation surface In the construction of pebbles and hard ground the muddy water method can use a cutter head with a hob and use a hob on the cutter head to break the larger diameter pebbles or rocks for the first time The conglomerate is broken once Through the opening of the cutter head into the secondary crushing chamber the second crushing is performed with the eccentric cone crusher in...

Страница 22: ...nment Requirements All the operations should be conducted under the conditions of temperature between 15 45 working environment temperature less than 3bar 2 4 Product Boundary Dimension 1 Handpiece Size φ630mm 2827mm Quality 2500kg 2 Main jacking device Unit mm Size 1890 1330 905mm Quality 1930kg 3 Console Unit mm 1 ...

Страница 23: ... 4 Electric control cabinet Unit mm 5 Main pump station Unit mm 2 ...

Страница 24: ... 3 ...

Страница 25: ... 22 1 Torque kN m 9 76 Rotate speed r min 16 6 Steering system Force per cylinder kN 192 Number of cylinders EA 3 S t e e r i n g angle 3 Motor power kW 0 18 Slurry line diameter mm Φ75 Total power kW 22 18 Weight kg 2300 M a i n j a c k i n g cylinder Thrust kN 800 Numbers EA 2 Stroke mm 760 2 Well size Starting well size mm Φ2090 Receiving well size mm Φ1540 4 ...

Страница 26: ...ions by the electronic display and truly realize visualized remote control 3 Strong rock breaking ability Equipped with a conical butterfly hob the broken rock hardness is up to 300 MPa 4 Conical eccentric crushing position The specially designed large diameter conical eccentric crushing crusher will crush the large rock twice and improve the construction efficiency 5 Stepless speed regulation The...

Страница 27: ...mainly composed of articulated shield main jacking device main jacking pumping station console electric control cabinet and other components etc 2 8 1 Articulated shield No Name Note No Name Note 1 Articulated shield 4 Main jacking device 2 Electric control cabinet 5 Main jacking pumping station 3 Console 6 ...

Страница 28: ...inside and outside the pipe through each bypass valve The control can not only meet the needs of the mud in the working well and in the machine but also can be used to meet the needs of the construction of the mud outside the pipe Rated power 22kW Rated voltage AC220V three phase 60Hz Rated output torque 9 76kN m Rated output speed 16 6r min Maximum correction angle 3 Slurry pipe diameter Φ75mm Wo...

Страница 29: ...evice XDN450 adopts double cylinder jacking sliding top iron and stopper card slot design which can realize multiple stage jacking Jacking progress 670 mm 2 Overall width 1330mm Overall length 1890 mm Work quality 1930kg 8 ...

Страница 30: ...ure 35MPa Work quality 700kg rated power 7 5kW 2 8 4 Console For the construction technology of the pipe jacking machine advanced PLC control technology is applied and a large 15 inch display screen is used for easy observation Through the lack of phase detection pressure monitoring current monitoring bypass valve limit monitoring parameters such as monitoring and alarm effectively protect the saf...

Страница 31: ... machine and construction PLC OMRON Rated voltage AC220V three phase 60Hz Working frequency 60Hz 10 ...

Страница 32: ...ging mud and solenoid valves Stable performance reliable quality The whole input voltage AC220V three phase 60Hz Head motor power 22kW Internal pump station motor power 0 18kW Main pump station motor power 7 5kW Work quality 100kg 2 9 Using and operation 1 The main jacking device is fixed in the initial well and the nose is suspended to guide rail of the main jacking device 11 ...

Страница 33: ... electrical harness the pipe is hoisted into the originating well and connected 3 Correct the direction of operation and advance the propulsion pipe in sequence At the same time Before performing the corrective operation the operation of the main jacking 12 ...

Страница 34: ...sing equipment The mud processing equipment which facilitates the recycling of the mud can filter out the particulate matter discharged from the mud and has the function of purifying the mud and filtering the sand 3 Laser emitter The laser emitter is an important tool for the direction of construction of the jacking pipe It provides an accurate reference for the jacking direction through the laser...

Страница 35: ... mud The maximum power of the mud pump motor can t exceed 11 kW and the maximum power of the mud pump motor can t exceed 15 kW 6 Support tube It is connected to the tail of the machine head and placed into the cement pipe in order to prevent rotation of the machine head It can also be used as a laser channel and mud conveying channel Due to the lack of self weight of the XDN450 head it is necessar...

Страница 36: ... Chapter Three Operational Instruction 3 1 Device installation 3 1 1 System structure 15 ...

Страница 37: ...rammable controller The entire system s control center collects all signals to communicate with the module through the program and then controls the appliances on the system and sends the collected information on the human machine interface display system for the operator to interpret 2 Man Machine Interface Through RS232 communication with the PLC the system data is presented as icons or numbers ...

Страница 38: ...ovement of the hydraulic components inside the machine The DC24V electric control solenoid valve is supplied by the target control box 4 Laser target box The built in camera captures the laser spot position the DI module reads the proximity switch signal the DO module controls the solenoid valve and the AD module reads the pressure displacement signal 5 Correction cylinder control the nose jacking...

Страница 39: ...en sandy soil from muddy water to the ground 3 1 2 Control cabinet online 1 The main power supply is accessed from the rear of the electric control cabinet The power supply must be three phase 220V Do not connect the green ground wire to the generator 2 Feed pump sludge pump and main pump station are connected with the power supply The green ground wire is connected to the corresponding motor 3 El...

Страница 40: ... 4 Check if the voltage is 220V 5 The main switch in the electric control cabinet 19 ...

Страница 41: ... are complete and if they correspond the safety requirements The supporting facilities are as follows 1 Laser emitters Required battery device must have enough spare batteries 2 Random spare parts box and tool box 3 Pipes seals sealants and connecting devices 4 Mud supporting facilities such as mud pump mud pump mud pump grouting pipe pipe card water source mixing station Pengrun soil polymerizati...

Страница 42: ... 2 Turn the power switches QF1 QF2 and QF3 up to the ON position one by one 3 Turn the power switch on the console clockwise to start the console 21 ...

Страница 43: ...Check if the corrective action is normal 3 Check if the rotation of the knife plate is normal 4 Check if the internal bypass valve and the bypass valve inside and outside the pipe are acting normally 5 Check if the calibration position of the laser is accurate The action of internal bypass valve and inside and outside bypass valve must be checked before conveying slurry action 3 4 2 main top devic...

Страница 44: ...eck if the running of the grouting pump is normal 6 Check if the mud treatment equipment is normal 7 Check if the mud mixing device is normal 3 5 Operation and setting instructions 1 network port it can communicate with computer and man machine network 2 man machine USB connect to human machine USB insert USB portable disk and send the jacking record to the disc 3 computer USB connect computer USB...

Страница 45: ...9 operation key control and operate all functions of pipe jacking machine 10 speed control knob clockwise acceleration and counterclockwise deceleration which can be displayed by the man machine interface 11 power switch the operation panel controls the power supply ON OFF control 12 tone volume clockwise volume increases and counterclockwise volume decreases Operation panel A 1 vertical pit bypas...

Страница 46: ...e opens Close button Click the close button to turn off the light and the internal bypass valve closes Stop stop action immediately when click the stop button 4 Cutter motor Left turn button Click the left turn button to turn on the light and the cutter head motor runs looking counterclockwise in the rear of the fuselage Right turn button Click the right turn to turn off the light and the cutter h...

Страница 47: ...cally B In the upper left figure the middle red button The internal hydraulic pump station is depressurized Upward adjustment press down press right left and left right Downward adjustment Press up press left lower left and right lower right Adjust to the right press left top right and right bottom right go up or down to reach the desired position Adjust to the left press the right left and the le...

Страница 48: ...r retracts and the red dot on the display moves upwards Left extension The left lower correction cylinder extends and the red dot on the display moves to the upper right Left handed The left hand correction cylinder is retracted and the red dot on the monitor moves to the lower left Right extension The right lower correction cylinder extends and the red dot on the display moves to the upper left R...

Страница 49: ...an the planned line and needs to be revised upwards Under the laser Y is positive the head is higher than the planned line and needs to be revised downwards The laser is to the right X is negative the nose is off the plan line and needs to be corrected to the right 28 ...

Страница 50: ...te direction and produce a snake phenomenon Assume that the head is left x 20 You fix it to the right After pushing 1M the head is left x 23 indicating that your correction is not enough You need to fix it a little more to the right if you push 1 meter After that it is still x 20 indicating that the nose will not continue to shift to the left Please continue to observe after halving the correction...

Страница 51: ... the advance distance Main jacking cylinder pressure The oil pressure is switched to the main jacking cylinder of the main device Relay pump pressure 1 The oil pressure is switched to the first group of relay cylinders Relay pump pressure 2 The oil pressure is switched to the second group of relay cylinders Relay function is reserved Forward Press the foot pedal and press the forward button at the...

Страница 52: ...ssure over pressure warning if the correction pressure exceeds the set value the main jacking cylinder automatically stops D区 Please start the mud pump sludge pump and oil pressure in the electric control cabinet before operation Rotary speed knob Increase the clockwise rotation speed counterclockwise lower speed rotation speed is displayed on the console display During the initial advancing in or...

Страница 53: ...s and initial settings Open new project See details 3 5 2 3 Menu Setting pipe jacking machine parameters See details 3 5 3 4 Old construction continues construction Enter the old construction construction operation screen See details 3 5 4 5 traditional Chinese Switch language type See details 3 5 5 6 Tips Operation function tips See details 3 5 6 32 1 2 3 4 5 6 ...

Страница 54: ...ils 3 5 2 1 2 Please enter the project number Fill in the project number See details 3 5 2 2 3 Solenoid valve detection Check if the solenoid valve is normal See details 3 5 2 3 4 Zeroing Zero value of each parameter See details 3 5 2 4 5 Bull s eye correction Adjust the bull s eye position See details 3 5 2 5 6 Face plate rotation direction correction Adjust the rotation direction of the cutterhe...

Страница 55: ...ill in the project name 3 5 2 2 Please enter the project number Used to fill in the project number 3 5 2 3 Solenoid valve detection Enter the solenoid valve detection screen Instructions Solenoid valve rated current is set to 0 5 Press the system will automatically detect the current of each solenoid valve If the current is lower than the rated current it will be displayed indicating that the sole...

Страница 56: ... must be fully retracted the head placed horizontally and rotate to level No Name Function Description 1 Tilt Before and after the tilt relative value zero and fine tune 2 Rotation angle Zero rotation and fine adjustment of rotation angle 3 Correction value is zeroed Correction correction value is zeroed 4 Water pressure is zeroed Mud pressure is zeroed 35 1 2 3 4 ...

Страница 57: ...e console as shown in the figure below can see the target circle and XY coordinates as the principle the small green coil of the display must match the target circle seen by the camera is the correct design set If there is no match adjust the X coordinate value Y coordinate value and radius so that the green drawing line matches the actual target circle 36 ...

Страница 58: ... When you change the XY number the green drawing will move and changing the radius will change the size of the circle 37 ...

Страница 59: ...e plate rotation direction correction Enter the face plate rotation direction correction screen Instructions If the rotation direction of the cutterhead is opposite to the console control button press to switch 38 ...

Страница 60: ...urer Equipment manufacturing company name 3 Correction display area Deviation correction correction pressure display 4 Information display area Display operation instructions 5 Number of tubes display area Top tube quantity display 6 Date and time display area Display current date time 7 Menu area Set top pipe machine parameters 39 1 2 3 6 5 4 7 ...

Страница 61: ...he cutter wheel rotates to the right it is displayed in green 5 Machine oil pressure display area Internal pump station pressure display 6 Water pressure display area Mud line water pressure display 7 Rotation angle display area Left and right rotation angle display 8 Front tilt display area Correction cylinder front housing relative offset display 9 Rear tilt display area Correction cylinder rear...

Страница 62: ...is displayed in green 4 Sludge rotation display area Mud motor speed display 5 Outer bypass display area When the bypass is outside the tube it is displayed in green 6 Machine bypass bypass display area When the bypass is turned on it is displayed in green 7 Pit stop bypass display area When pits are closed they are green 8 Send mud rotation display area Mud motor speed display 9 Push speed displa...

Страница 63: ... construction advance distance display 11 Muddy water flow display area Sludge pump flow display 12 Push pressure display area Main jacking cylinder push pressure display 13 Oil pressure display area Main top pump station motor speed display 42 ...

Страница 64: ...r limit of the main pump station 3 Over current delay detection seconds Delayed alarm time after maximum limit current is exceeded 4 Low flow limit Sludge flow rate minimum limit 5 Delay warning seconds Delay alarm time after the minimum limit traffic 6 If the flow is too low stop the main jacking cylinder The mud flow is too low to stop the main jacking cylinder 43 1 2 3 4 5 6 ...

Страница 65: ...ge to stop the operation too often the overcurrent time is stopped after exceeding the set value Instructions When the flow rate is lower than the set value of and the time exceeds the set value of the equipment prompts a warning set to when the flow rate is lower than the set value of and the time exceeds the set value of the main head cylinder automatically stops set to the main cylinder will no...

Страница 66: ...ration 3 Back pressure Main top cylinder maximum retraction pressure limit 4 Low pressure high speed rotation Maximum speed limit during on site operation 5 Internal hydraulic pressure In machine pump station maximum pressure limit 6 Correct pressure warning value Correction cylinder pressure warning value setting 7 Correct the pressure is too large to warn Whether the pressure is too large 45 5 6...

Страница 67: ...iate parameter values of to make the pressure at the time of back fall below When the console is operated the propulsion pressure is high but the speed is slow in the field operation the propulsion pressure is low but the speed is fast When the on site operation of the main jacking cylinder is reversed if the speed is too high the pressure will exceed the low pressure and high speed setting and th...

Страница 68: ...lve not open warning 4 Is the rotation angle too large Warning Whether the rotation maximum angle setting exceeds the warning 5 Computer shutdown Turn off industrial computer 6 Advance records Pipe jacking operation record display 7 Adjustment adjustment Pipe jack parameter setting 8 Warranty record Pipe jack warranty record display 9 PLC module monitoring PCL port communication detection 47 1 2 3...

Страница 69: ...jacking machine Y direction offset trajectory 3 XY coordinates Display the X Y direction offset trajectory of the pipe jacking machine 4 Electric current Display cutter motor current change path 5 thrust Display the main thrust cylinder thrust force change track 6 Advance speed Display the trajectory of the advance speed of the main crown cylinder 7 Push the form Pipe pusher drive record details 8...

Страница 70: ... 49 ...

Страница 71: ... Enter the X coordinate area Enter the current area 50 ...

Страница 72: ... 51 ...

Страница 73: ... Enter the thrust area Enter the propulsion speed area 52 ...

Страница 74: ... Enter the Advance Form area Enter the Alert Table area 53 ...

Страница 75: ...5 for details Other functions In addition to PLC monitoring you need a password to log in if you press the function button Enter the following characters LEVEL 1 ACCOUNT CHCEL PASSWORD CHCEL123 After entering press OK to enter this function The function that requires a password to log in is not recommended for general operator operation If the device is 54 ...

Страница 76: ...ricity to the head press and hold the key check the movement of the head and the pull down option is the same as the actual action Follow the same method to set up 10 actions one by one After setting is complete use the actual buttons of the console to test whether the action is correct Be careful not to set the repetitive movement to avoid damage to the equipment during construction operations wh...

Страница 77: ... supply of the head 2 Use the electronic leveler to correct the horizontal direction according to the following figure 3 Press after adjusting the target box to level 4 Tilt the target box at a certain angle approximately 5 and press the fine or coarse adjustment to make the data the same as the horizontal ruler above figure the tilt angle is negative 56 ...

Страница 78: ...ine and send power to the head 2 Use the electronic leveler to correct the horizontal direction according to the following figure 3 Press after adjust the target box to level 4 Rotate clockwise about 5 degrees then press the fine or coarse adjustment to make the data on the display same as the electronic level as shown above figure rotation angle is positive 57 ...

Страница 79: ...itter in the control cabinet is used in a new machine or a frequency transmitter is changed 2 Press the hydraulic pump start button of the electric control cabinet 3 Open the electric control cabinet door frequency sensor press ENT 8 times until display 4 Press to enter the setting press to move the cursor press to 58 ...

Страница 80: ...main top cylinder advances for 1 minute to stop measure the amount of advancement of the main top cylinder unit mm this data is the advancing speed mm Min fill this data into step 1 If the two main jacking cylinders cannot be synchronized the two main jacking cylinders are added together and divided by two 8 The main jacking cylinder continues to advance and when the frequency transmitter data is ...

Страница 81: ...le correction area Enter the corresponding address information in the input IO address position you can view the data of the PLC s IO address as a reference for maintenance judgment Enter the front tilt correction area 60 ...

Страница 82: ...essed in terms of thousandths 2 After inputting A minus B data press OK to complete the setting note the positive and negative 3 If level ruler does not have a 1000 degree function only the angle use the calculator tan angle 1000 is a thousandth Principle explanation The inclinometer in the target box is to monitor the back tilt angle and 61 ...

Страница 83: ...s of various devices can be seen at the top of the screen You can understand the relationship between how long each device is operating and the consumption of parts and it is used as the basis for replacing the consumables in advance 2 Reducer warranty according to the input on the screen after the warranty item press record 3 The table below is the history warranty record For the maintenance of t...

Страница 84: ... Enter the Hydraulic Unit Warranty area 1 According to the items in the above figure after entering the items to be maintained press Record 2 The table below shows the historical warranty record 63 ...

Страница 85: ... Enter the Repair Department Warranty area 1 According to the items in the above figure after entering the items to be maintained press Record 2 The table below shows the historical warranty record 64 ...

Страница 86: ... Enter the Run Hours Correction area You can modify the operating hours to ensure the correctness of the hour record when replacing a new part 65 ...

Страница 87: ... Enter the PLC module monitoring area When the error box flashes red it indicates that the module is faulty or the communication line is disconnected Check whether the module is normal 66 ...

Страница 88: ...inue to complete the old project and enter the construction operation screen 3 5 5 Traditional Chinese Switch language types including Chinese Simplified and Traditional Chinese 3 5 6 Tips pipe jack operation Tips Chapter Four Lubrication and Maintenance 67 ...

Страница 89: ...ication component Code and Grade Volume L Product name Manufacturer Attentions Internal pump station fuel tank HD68 About 1 2 Antiwear hydraulic oil Caltex Above 2 3 of oil leveler window Main pump station fuel tank HD68 About 300 Antiwear hydraulic oil Above 2 3 of oil leveler window Application component Code and Grade Volume L Product name Manufacturer Attentions Internal pump station fuel tank...

Страница 90: ... 4 2 The maintenance schedule of machine 69 ...

Страница 91: ...er using Cutter reducer 50 Internal bypass valve 250 After using Inside and outside bypass valve 250 After using Correction ring O ring 500 250 Electrical system Cutter motor 50 Machine pump station motor 50 Main pump station motor 50 Proximity switch 50 After using Cable plug 50 Laser emission device 50 After using Hydraulic system Correction cylinder 50 Main top cylinder 50 Internal bypass valve...

Страница 92: ...side and outside bypass valve cylinder 50 Suction filter 500 1000 Return filter 500 1000 leakage Before working Mud system Mud system After using After using leakage Before working 100 1000 Fasteners 50 71 ...

Страница 93: ... the water disassemble the motor and dry it 3 In machine solenoid valve group failure Solenoid valve coil disconnected Reconnect or replace the solenoid valve Poor contact between the solenoid valve and the target box connection Lock the cable Failure of the relay in the target box replace 4 Cutter overload The console shows that the current exceeds the maximum limit current of the deck motor Adju...

Страница 94: ...e Pole valve or steel ball and valve seat closely Replacement of poppet or steel ball with grinding seat Damping hole plugging Cleaning orifice Remote port to tank Cut off the oil circuit of the tank 3 The hydraulic cylinder communicates with the high and low pressure chambers Repair the piston and replace the seal 4 Some valve unloading in the system Identify unloading reasons and take appropriat...

Страница 95: ...e pipes away from the setting The return pipe is not inserted below the oil level Insert the return pipe into the oil Poorly sealed mixed with air Reinforced seal Hydraulic fluid loss when the machine stops moving Add back pressure valve or check valve to prevent fluid loss during shutdown 4 U n c l e a n fluid Dirty stuck in the liquid motive to increase frictional resistance Cleaning fluid motiv...

Страница 96: ...essure valve Adjust pressure valve to reduce working pressure properly Adjust pressure valve to reduce working pressure properly Troubleshooting overflow valve Troubleshooting overflow valve Appropriately increase back pressure Appropriately increase back pressure 5 No back pressure valve installed Set back pressure valve or throttle valve to generate back pressure for oil return 6 Vertically movi...

Страница 97: ...s too high Select the appropriate speed Improper installation of the hydraulic pump the pump shaft is different from the prime mover Reinstall the hydraulic pump Loose coupling Tighten the coupling Hydraulic pump manufacturing accuracy is too low Replace parts with poor accuracy and reassemble Hydraulic wear parts wear Replace worn parts Hydraulic pump is too pulsating Repair or replace the pump 2...

Страница 98: ...lace spring 4 Pipeline Uneven internal diameter of hydraulic hose Replace tubing Loose or loose tube Refix the pipe 5 Shock caused by shock and noise See table 3 Phenomenon Impact 6 Hydraulic system vibration caused by external vibration Take earthquake isolation measures 7 Vibration caused by motor and hydraulic pump rotation Take measures to reduce vibration 8 Hydraulic cylinder seal is too tigh...

Страница 99: ...iscosity Use low viscosity hydraulic oil 7 Small oil tank poor heat dissipation conditions Increase fuel tank capacity improve heat dissipation conditions set cooler 8 Temperature rise caused by external heat source Isolated heat source No Causes Measures 1 Damaged or reversed seals Replace the seal and correct the installation direction 2 Loose fittings Tighten the fitting 3 One way valve ball is...

Страница 100: ...The causes or exclusion methods of failures are not detailed in detail and need to be determined according to the actual situation 2 Only professional trained personnel can carry out maintenance of hydraulic and electrical systems 3 For the common faults and elimination of the motor see the motor instruction manual 79 ...

Страница 101: ...h ascent and downhill 6 2 Equipment shipment Pipe jacks need trucks to transport at long distances The equipment needs to be lifted when loading the truck The hoisting holes are arranged on the components of the pipe jacking machine and the steel wire ropes can be hoisted into the hoisting holes and hoisted by cranes The hoisting modes are as follows 1 Ensure that the components of the pipe jackin...

Страница 102: ... Cutting head 81 ...

Страница 103: ... Main jacking device 82 ...

Страница 104: ... Console Electric control cabinet Main pump station 83 ...

Страница 105: ...ircuit breaker switch etc 4 The place where the pipe jacking machine is placed shall be capable of sheltering from wind and rain suitable temperature and away from flammable explosive and other dangerous articles 5 The machine must be covered with a canvas to prevent dust dust etc from damaging important parts of the machine 6 Start the pipe jack once every one month or so and test all the actions...

Страница 106: ... Appendix A Electrical schematic diagram XDN450 Electrical schematic diagram 85 ...

Страница 107: ... XDN450 Electrical schematic diagram 86 ...

Страница 108: ... XDN450 Electrical schematic diagram 三 87 ...

Страница 109: ... XDN450 Electrical schematic diagram 四 88 ...

Страница 110: ... XDN450 Electrical schematic diagram 五 89 ...

Страница 111: ... XDN450 Electrical schematic diagram 六 90 ...

Страница 112: ... XDN450 Electrical schematic diagram 七 91 ...

Страница 113: ... XDN450 Electrical schematic diagram 92 ...

Страница 114: ... XDN450 Electrical schematic diagram 九 93 ...

Страница 115: ... XDN450 Electrical schematic diagram 94 ...

Страница 116: ... XDN450 Electrical schematic diagram 95 ...

Страница 117: ... XDN450 Electrical schematic diagram 96 ...

Страница 118: ... XDN450 Electrical schematic diagram 三 97 ...

Страница 119: ... XDN450 Electrical schematic diagram 四 98 ...

Страница 120: ... XDN450 Electrical schematic diagram 五 99 ...

Страница 121: ... XDN450 Electrical schematic diagram 六 100 ...

Страница 122: ... Appendix B Hydraulic schematic diagram XDN450 Machine hydraulic schematic diagram 101 ...

Страница 123: ... XDN600 Machine hydraulic schematic diagram 102 ...

Страница 124: ... XDN450 Main top hydraulic schematic diagram 103 ...

Страница 125: ...oundation Construction Machinery Co Ltd 地址中国江苏徐州经济开发区驮蓝路36号 Add No 36 Tuolanshan Road Economic Developing zone Xuzhou JiangSu China 全国统客服热线 Tel 400 110 9999 销售部电话 Tel 0516 87892612 87892620 服务处电话 Tel 0516 87892690 传真 Fax 0516 87738173 邮编 Postcode 221004 址 http www xcmgjc com 2016年5 版 104 ...

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