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SE-04753 

[Operation Manual] 

40/49 

 

DAIKIN INDUSTRIES, LTD.

 

 Suction strainer maintenance procedure 

1. 

Removing procedure 

[1]  After draining hydraulic oil completely, 

remove the nuts (M8: 12 pieces) from the 

cleaning door cover, and remove the 

cover from the cleaning door. 

[2]  You can see the suction strainer. Loosen 

the strainer, and remove it.  

(Hexagon nut, Width across flats: 41 mm) 

 

2. 

Cleaning procedure 

Blow air onto the filter to blow off dust 

accumulated on/adhering to the filter.  

Remove dust from inside of the strainer 

cylinder. 

 

3. 

Reassembling the strainer 

After cleaning is completed, reassemble 

the suction strainer. Follow the removing 

procedure in reverse.  

After reassembling is completed, conduct 

the test run procedure described on p. 24 

to make sure that the hydraulic unit 

normally operates. 

 

 

WARNING

 

  During air blow, wear protective goggles to prevent accumulated substances or dust from touching your eyes.  

 

 

 

Suction strainer

 

 

Nut

 

 

Cleaning door cover

 

Cleaning door tightening 

precaution nameplate 

Summary of Contents for SUT Series

Page 1: ...SE 04753 Operation Manual 2 49 Hybrid Hydraulic System Super Unit SUT03S15L07 10 F SUT03S30L07 10 F SUT SERIES Operation Manual DAIKIN INDUSTRIES LTD Oil Hydraulics Division...

Page 2: ...IN Hydraulic Unit In addition to this manual please prepare safety references for your machine to ensure safe operations and maintenance in accordance with various standards and norms Conventions of s...

Page 3: ...gligence in observing the instructions given in the operation manual or delivery specifications DAIKIN shall not be responsible for any damage attributable to malfunction caused by combinations of thi...

Page 4: ...allation 9 Preparations for Operation 14 to 23 Filling hydraulic oil Electric wiring I O signal cable specifications 10 Test Run 24 11 Operation Panel Operating Procedure 25 to 34 Outline of functions...

Page 5: ...s unit can retain excellent performance for a long period The components of this unit may be modified for the purpose of quality performance improvement or other reasons In such a case some parts of t...

Page 6: ...ear pump g Use No use of noise filter F Noise filter is used d Maximum pump discharge rate 15 15 2 L min 30 28 5 L min h Non standard control No MFG No i j k l i Design No k Software revision history...

Page 7: ...setting according to Attachment Safety Valve Adjusting Procedure on p 41 Note 2 Power supply voltage fluctuation tolerance range is 10 Even if the power supply voltage fluctuations are within the tole...

Page 8: ...enon does not indicate abnormality 4 This hydraulic unit uses an IPM motor which generates counter electromotive force during changeover regenerative operation If the motor is frequently turned ON OFF...

Page 9: ...front view Discharge port Rc3 8 Controller Oil filling port Air breather Operation panel Stop valve Drain port Rc3 4 Return port Rc1 Return port Rc1 Oil cooler Hydraulic pump Tank Motor Oil level gaug...

Page 10: ...circuit diagram Components Part No Name 1 Tank 2 Suction strainer 3 Stop valve 4 Oil level gauge 5 Oil filling port Air breather 6 1 Controller 6 2 Inverter drive pump 7 Oil cooler Rc3 4 Rc1 P T1 T2 D...

Page 11: ...piping port has been covered with tapered cap vinyl cap before shipment Fasten each pipe connection by winding sealing tape Unit top view CAUTION This hydraulic unit incorporates a check valve If an...

Page 12: ...t below DANGER If the hydraulic unit is lifted by any parts e g pump pipes other than the hook slots the unit may fall or turn over Check the weight of the hydraulic unit and make sure that it does no...

Page 13: ...the motor or controller becomes hot the temperature protection function is activated to stop operation When the motor or controller becomes extremely hot the alarm warning signal will be output If th...

Page 14: ...ating the hydraulic unit with no oil in the tank causes pump seizure or wear which may result in pump damage 2 Make sure that the stop valve is opened If the stop valve is not opened the oil cannot be...

Page 15: ...to complete installation of the hydraulic unit before wiring Before wiring work be sure to turn OFF the main power supply breaker and make sure that the power is interrupted Be sure not to connect th...

Page 16: ...vent erroneous operation during wiring work post an Operation Prohibited During Work sign on the power supply circuit breaker ii Remove the controller cover after elapse of at least five minutes The c...

Page 17: ...in advance 2 Insert the cable into the controller through the controller s wiring hole 3 Tighten the controller fastening screw to fasten the cable clamp to the controller 4 Tighten the tightening ca...

Page 18: ...d with the motor frame Ensure Class 3 or higher grounding condition When unsheathing the cable be careful not to damage the conductors Be careful that the cable conductors do not protrude from the ter...

Page 19: ...own on the right crimp the round crimp terminal with insulation sheath by using a dedicated tool 4 After looping each cable by one turn connect it to the terminal block CAUTION If the crimp tool is no...

Page 20: ...p should be a multi core cable as those recommended below If two or more cables are inserted into the clamp the cable clamp does not conform to the specified protection rating because of a gap between...

Page 21: ...gital input 4 6 Digital I O terminal Digital input 5 Operations of this unit can be externally controlled Input 1 Start stop control input Input 2 to 5 P Q selection by combination Selectable from 0 t...

Page 22: ...ing see p 29 Note While the unit is stopped by digital input the panel shows STP Combination of digital inputs for P Q selection P Q selection No Digital input 2 PQ0 Digital input 3 PQ1 Digital input...

Page 23: ...the allowable current the circuit may be damaged Pay attention to the maximum allowable current To drive induction load take surge preventive measures Terminal No Signal name Remarks 8 Contact output...

Page 24: ...e volume In such a case set up the master machine so that it dose not receive the alarm output After completion of the start check set the circuit pressure at 1 to 1 5 MPa low pressure and flush oil t...

Page 25: ...ns Description on individual modes Normal mode Displays an actual pressure value or alarm code Monitor mode Displays a pressure switch set value pressure set value flow rate set value actual flow rate...

Page 26: ...n05 rpm min 1 Displays the current rpm n06 Operating status Displays the current P Q selection No n07 Reverse rpm at power OFF Displays a motor reverse rpm due to counter flow from the load when the u...

Page 27: ...re Key operation 3 digit LED Remarks Power ON Startup Run Actual pressure display Shift to monitor mode Parameter No selection Press the key three times Blinking Monitor display Discharge rate theoret...

Page 28: ...fied or changed in the setting mode and their adjusting ranges see the list of setting ranges on p 32 For the initial values and adjusting ranges of non standard models or custom made models see the d...

Page 29: ...Alarm output combination setting Specify whether to activate the contact outputs alarm warning and pressure switch outputs individually or integrate them into one output See the timing chart in Attac...

Page 30: ...wo keys simultaneously for at least two seconds After two seconds Parameter No selection or P Q selection 1 Set value display Displays pressure set value for P Q selection 1 P Q selection Press P 01 q...

Page 31: ...ating procedure Key operation 3 digit LED Remarks Power ON Actual pressure display When P Q selection 1 is selected Setting mode Keep pressing two keys simultaneously for at least two seconds After tw...

Page 32: ...sec P Q selection 0 to 15 Pressure flow rate acceleration time and deceleration time settings 1 5 1 5 to 7 0 MPa P 00 to P 15 Pressure setting Note 3 22 22 to 100 10 PSI q 00 to q 15 Flow rate settin...

Page 33: ...isplays the latest alarm After two seconds Selecting alarm No Press once Displays an alarm before the latest one Displays alarm condition Alarm code and power ON count are alternately displayed at a s...

Page 34: ...n temperature abnormal warning L45 3 Power supply voltage drop warning L50 Pressure deviation abnormal warning L60 4 Pressure switch activation Note 1 L63 During activation of an alarm of Classificati...

Page 35: ...or clogging If the fan motor rotation is stopped or the core is clogged 1 the oil cooler cooling capacity remarkably deteriorates This causes the hydraulic oil or the unit to become hot resulting in b...

Page 36: ...the suction strainer according to Maintenance Procedure on p 40 DANGER 1 Do not access or touch rotating parts 2 If you touch internal components of the controller observe the following procedure to p...

Page 37: ...ring disassembly process oil will flow out of the pipes and oil cooler 1 Dismounting the oil cooler 1 Open the controller cover and disconnect the fan connector and fan ground cable 2 Remove the hose...

Page 38: ...r the core 4 Cleaning the fan motor Clean the clearance between the blade periphery and the casing as well as the blades and the casing by using a cloth CAUTION 1 Prohibition of steam air blow Never a...

Page 39: ...and 2 Cleaning procedure Blow air onto the filter to blow off dust accumulated on adhering to the filter Remove dust from inside of the strainer cylinder 3 Mounting direction Mount the cap by turning...

Page 40: ...air onto the filter to blow off dust accumulated on adhering to the filter Remove dust from inside of the strainer cylinder 3 Reassembling the strainer After cleaning is completed reassemble the sucti...

Page 41: ...ripheral equipment actuator pressure gauge etc it is recommended that the safety valve set pressure should be set pressure of the unit 0 5 MPa Safety valve adjusting procedure 1 Referring to the enlar...

Page 42: ...y 3 sec max 0 2 sec average Charging Magnetic pole detection Actual pressure display Normal control Actual pressure display Actual pressure display H Stop command L Operation command H Normal H Normal...

Page 43: ...Relay output Pressure Mode Display L Abnormal Charging 3 sec max L Activated Not judged Motor stop due to alarm activation L Alarm code H Setting No Alternately displayed at 1 second interval P07 War...

Page 44: ...dure and setting range see Operating procedure for each mode b Setting mode on p 26 Note For the purpose of explanation the above 1 7 Alarm classification 4 chart shows the case where the pressure swi...

Page 45: ...3 sec max 0 2 sec average Charging Magnetic pole detection Normal control Actual pressure display Actual pressure display Actual pressure display H Stop command L Operation command H Normal The outpu...

Page 46: ...g Relay output Pressure Mode Display L Abnormal Charging 3 sec max Motor stop due to alarm activation L Alarm code H Setting No Alternately displayed at 1 second interval P07 Warning output level sett...

Page 47: ...an be changed in the setting mode For the setting procedure and setting range see Operating procedure for each mode b Setting mode on p 26 Note For the purpose of explanation the above 2 7 Alarm class...

Page 48: ...lete signal status is Lo When the command value does not change any more the complete signal status is changed to Hi Actual pressure P Q 0 input Complete signal output P Q 1 input P Q 2 input P Q 3 in...

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