Maeda MC285C-2 Service Manual Download Page 1 | Manualshive

Page: 1 / 207

Maeda MC285C-2 Service Manual Download Page 1

102E-SM1110-00

SERVICE MANUAL

MINI-CRAWLER CRANE

Serial No. P00976 and up

㩷

The parts numbers and lists written in this service manual are the
references for the services such as disassembling and assembling.
Be sure to ALWAYS refer to the latest parts catalog (the latest
information) before ordering any part, since the parts and the model
numbers are subject to change during the endless improvements and
changes of our Machine.

1
2
3
...
»

Summary of Contents for MC285C-2

Page 1: ...this service manual are the references for the services such as disassembling and assembling Be sure to ALWAYS refer to the latest parts catalog the latest information before ordering any part since t...

Page 2: ......

Page 3: ...ng angle time 0 to 80 14 sec Type Swing bearing support hydraulic motor drive worm and spur gears worm self lock Slewing system Slewing angle speed 360 continuous 60 sec 1 0 RPM Type 1st stage with fl...

Page 4: ...SPECIFICATION DIMENSIONAL DRAWING 6JG CDQXG HKIWTG TGRTGUGPVU VJG VTCXGNNKPI NGXGT UVCPF WRTKIJV 2...

Page 5: ...DIMENSIONAL DRAWING OF OUTRIGGER WIDTH 3...

Page 6: ...5 00 530 5 50 430 6 00 270 3 50 970 5 205 530 6 00 380 6 50 230 3 705 920 6 50 350 7 00 200 6 705 330 7 50 180 8 00 150 8 205 150 OUTRIGGER EXTENDED TO OTHER THAN MAXIMUM 2 535m 4 075m BOOM 5 575m BO...

Page 7: ...330 7 50 180 8 00 150 8 205 150 OUTRIGGER EXTENDED TO OTHER THAN MAXIMUM 2 535m 4 075m BOOM 5 575m BOOM 7 075m BOOM 8 575m BOOM Working radius m Rated total load kg Working radius m Rated total load...

Page 8: ...330 7 50 180 8 00 150 8 205 150 OUTRIGGER EXTENDED TO OTHER THAN MAXIMUM 2 535m 4 075m BOOM 5 575m BOOM 7 075m BOOM 8 575m BOOM Working radius m Rated total load kg Working radius m Rated total load...

Page 9: ...WORKING RADIUS AND LIFTING HEIGHT 7...

Page 10: ...ating Pressure MPa At Travelling control valve Operating time sec Raising 10 4 1 13 7 1 Boom Derricking 0 80 deg Lowering 14 0 1 16 6 1 Raising 10 5 1 6 4 1 Hoisting 1m 4layer Lowering 11 4 1 7 3 1 Ex...

Page 11: ...9...

Page 12: ...A B D r G C G D B 2 B 1 B 1 2 B 9 B 6 A 1 2 A 9 A 1 1 B 1 1 A 3 B 8 A 8 B 3 A 5 B 5 A 2 A 6 A 1 0 B 1 0 A 1 B 4 A 4 B 7 A 7 D r B P T A T A P B P T A B P T A B 0 4 0 6 O M M O P 2 P 1 S 1 10...

Page 13: ...11...

Page 14: ...12...

Page 15: ...13...

Page 16: ...14...

Page 17: ...15...

Page 18: ...16...

Page 19: ...17...

Page 20: ...18...

Page 21: ...19...

Page 22: ...20...

Page 23: ...21...

Page 24: ...22...

Page 25: ...23...

Page 26: ...24...

Page 27: ...25...

Page 28: ...26...

Page 29: ...27...

Page 30: ...28...

Page 31: ...29...

Page 32: ...30...

Page 33: ...31...

Page 34: ...32...

Page 35: ...33...

Page 36: ...34...

Page 37: ...35...

Page 38: ...36...

Page 39: ...37...

Page 40: ...38...

Page 41: ...39...

Page 42: ...40...

Page 43: ...41...

Page 44: ...42...

Page 45: ...43...

Page 46: ...44...

Page 47: ...45...

Page 48: ...46...

Page 49: ...47...

Page 50: ...48...

Page 51: ...49...

Page 52: ...50...

Page 53: ...51...

Page 54: ...52...

Page 55: ...53...

Page 56: ...54...

Page 57: ...55...

Page 58: ...56...

Page 59: ...57...

Page 60: ...5 7 1 4 8 1 3 9 1 2 9 1 2 4 1 2 4 1 3 3 1 3 3 2 9 3 2 3 0 2 6 8 1 8 6 3 1 8 4 2 4 2 4 7 4 7 4 1 5 2 3 7 2 4 4 1 7 5 1 9 1 3 4 4 5 4 0 3 2 0 8 0 1 2 7 1 3 2 6 5 1 8 0 1 0 8 5 5 0 1 6 1 8 6 1 3 9 5 7 5...

Page 61: ...4 4GHGTGPEG 59...

Page 62: ...0 2 50 2 5 2 7 50 2 5 5 8 55 50 2 5 51 6 1 6 50 2 5 5 2 6 50 2 5 5 4 9 50 2 5 2 7 4 50 2 5 2 7 4 50 2 5 0Q 0 4 67 55 50 2 5 0Q 0 4 2 5610 41 55 50 2 5 0Q 0 4 50 2 5 75 0 7 50 2 5 2 5610 41 2 0 50 2 5...

Page 63: ...61...

Page 64: ...4 4GHGTGPEG 62...

Page 65: ...6 5 4 01 4 4 5 5 6 5 44 0 4 50 2 5 0 4 50 2 5 2 5610 41 50 2 5 0 4 50 2 5 75 0 7 50 2 5 41 2 0 50 2 5 72 4 0 50 2 5 756 5 50 2 5 1 4 0 50 2 5 72 4 0 6 50 2 5 1 4 0 50 2 5 2 5610 50 2 5 2 5610 4 0 50...

Page 66: ...64...

Page 67: ...4 4GHGTGPEG 65...

Page 68: ...0 4 50 2 5 2 5610 41 50 2 5 0 4 50 2 5 75 0 7 50 2 5 41 2 0 50 2 5 72 4 0 50 2 5 756 5 50 2 5 1 4 0 50 2 5 72 4 0 6 50 2 5 1 4 0 50 2 5 2 5610 50 2 5 2 5610 4 0 50 2 5 9 4 4 0 50 2 5 1 4 0 2 50 2 5 5...

Page 69: ...67...

Page 70: ...68...

Page 71: ...69...

Page 72: ...70...

Page 73: ...71...

Page 74: ...72...

Page 75: ...73...

Page 76: ...74...

Page 77: ...75...

Page 78: ...76...

Page 79: ...77...

Page 80: ...78...

Page 81: ...79...

Page 82: ...80...

Page 83: ...81...

Page 84: ...82...

Page 85: ...4 4GHGTGPEG 83...

Page 86: ...215 6 10 2 0 50 2 1764 4 0 4 41 2 0 50 2 1764 4 612 50 2 00 4 1 56122 4 50 2 215 6 10 2 0 50 2 50 2 2 0 50 2 00 4 1 50 2 4 4 26 4 50 2 2 0 50 2 0 2 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2...

Page 87: ...4 4GHGTGPEG 85...

Page 88: ...215 6 10 2 0 50 2 1764 4 0 4 41 2 0 50 2 1764 4 612 50 2 00 4 1 56122 4 50 2 215 6 10 2 0 50 2 50 2 2 0 50 2 00 4 1 50 2 4 4 26 4 50 2 2 0 50 2 0 2 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2...

Page 89: ...4 4GHGTGPEG 87...

Page 90: ...215 6 10 2 0 50 2 1764 4 0 4 41 2 0 50 2 1764 4 612 50 2 00 4 1 56122 4 50 2 215 6 10 2 0 50 2 50 2 2 0 50 2 00 4 1 50 2 4 4 26 4 50 2 2 0 50 2 0 2 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2...

Page 91: ...4 4GHGTGPEG 89...

Page 92: ...215 6 10 2 0 50 2 1764 4 0 4 41 2 0 50 2 1764 4 612 50 2 00 4 1 56122 4 50 2 215 6 10 2 0 50 2 50 2 2 0 50 2 00 4 1 50 2 4 4 26 4 50 2 2 0 50 2 0 2 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2...

Page 93: ...4 4GHGTGPEG 91...

Page 94: ...610 41 50 2 0 4 50 2 75 0 50 2 41 2 0 0 50 2 72 4 0 6 0 50 2 756 5 50 2 50 2 4 0 4 50 2 1 4 0 2 50 2 72 4 0 6 2 50 2 1 4 0 50 2 2 5610 50 2 2 5610 4 0 52 9 50 2 9 4 4 0 50 2 1 4 0 2 50 2 5 6 5 4 9 50...

Page 95: ...93...

Page 96: ...l l o w s t r i p e Y R Y e l l o w R e d s t r i p e G B G r e e n B l a c k s t r i p e L b L i g h t b l u e Y W Y e l l o w W h i t e s t r i p e L g L i g h t g r e e n Y 5 Y 1 Y 3 D 4 E 1 A 2 0...

Page 97: ...SIGNMENT 3 32 8 INPUT OUTPUT 3 34 9 DISPLAYS 3 38 10 SWITCHES 3 40 11 DISPLAY UNIT DETAIL OF EACH SEGMENT 3 42 12 START UP SEQUENCE 3 44 13 MOMENT LIMITER FUNCTIONS 3 44 14 DISPLAY OF SPECIFIC INDICAT...

Page 98: ...4 4GHGTGPEG 96...

Page 99: ...55 4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 5 52 70 6 50 2 5 41 50 2 5 0 2 0 50 2 5 75 50 2 5 72 66 4 50 2 076 50 2 524 0 9 5 4 50 2 5 108 46 4 50 2 5 75 50 2 5 4 9 9 6 9 5 4 50 2 108 46 4...

Page 100: ...4 4GHGTGPEG 98...

Page 101: ...9 5 4 50 2 52 70 6 5 50 2 1 6 9 6 9 5 4 50 2 52 70 6 5 18 4 50 2 2 0 50 2 1 6 50 2 2 0 9 5 4 50 2 0 10 076 50 2 076 50 2 9 5 4 50 2 5 1 55 14 4 0 5612 0 59 6 50 2 5 59 6 50 2 122 4 52 4 50 2 5 4 9 50...

Page 102: ...4 4GHGTGPEG 100...

Page 103: ...CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 6 59 6 4 6 50 2 6 59 6 1706 2 6 50 2 5 6 59 6 14 416 4 0 5 6 72 50 2 5 4 9 50 2 1 6 50 2 1 6 50 2 524 0 9 5 4 50 2 524 0 9 5 4 50 2 524 0 9 5 4 50 2 2 0 9 5 4...

Page 104: ...4 4GHGTGPEG 102...

Page 105: ...4 1764 4 70 5 6 6 14 55 4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 59 6 4 6 50 2 5 241 6 59 6 50 2 1 6 50 2 524 0 9 5 4 50 2 100 614 18 4 50 2 1 6 50 2 103...

Page 106: ...4 4GHGTGPEG 104...

Page 107: ...4 1764 4 5 6 72 6 14 55 4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 18 4 50 2 5 6 59 6 50 2 1 6 9 6 9 5 4 50 2 51 6 1 6 50 2 524 0 9 5 4 50 2 105...

Page 108: ...4 4GHGTGPEG 106...

Page 109: ...4 55 4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 5 6 50 2 5 11 0 6 5 0514 50 2 5 11 0 5 0514 50 2 5 6 59 6 50 2 1 6 50 2 1 6 50 2 1 6 50 2 51 6 1 6 50 2 524 0 9 5 4 50 2 524 0 9 5 4 50 2 524 0...

Page 110: ...4 4GHGTGPEG 108...

Page 111: ...4 1 6 614 55 4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 5 5 0514 1 24 5574 50 2 6 59 6 4 6 50 2 1 6 9 6 9 5 4 50 2 109...

Page 112: ...4 4GHGTGPEG 110...

Page 113: ...4 8 4 215 6 10 6 614 55 4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 5 6 59 6 50 2 5 6 59 6 50 2 6 59 6 1706 4 6 50 2 5 50 2 51 6 1 6 50 2 076 50 2 2 0 9 5 4 50 2 524 0 9 5 4 50 2 111...

Page 114: ...4 4GHGTGPEG 112...

Page 115: ...2 6 59 6 18 4 50 2 41 4 50 2 41 4 5 6 50 2 52 4 50 2 52 4 50 2 52 4 50 2 75 0 50 2 75 0 50 2 5 6 59 6 50 2 2 05 10 524 0 50 2 4 0 50 2 75 0 7 50 2 50 2 1 6 50 2 1 6 9 6 9 5 4 50 2 51 6 1 6 50 2 0 10...

Page 116: ...4 4GHGTGPEG 114...

Page 117: ...5 6 5 56 55 5 66 0 6 614 4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 6 59 6 18 4 50 2 5 6 59 6 14 416 4 0 5 6 72 50 2 41 6 50 2 1 6 50 2 1 6 9 6 9 5 4 50 2 076 50 2 524 0 9 5 4 50 2 2 0 9 5 4...

Page 118: ...4 4GHGTGPEG 116...

Page 119: ...4GHGTGPEG 2CIG 0 2 46 01 5 4 26 10 3 6 5 4 01 4 4 5 6 59 6 4 6 50 2 6 59 6 1706 2 6 50 2 6 59 6 14 70 9 0 0 6 614 50 2 5 4 9 50 2 1 6 50 2 1 6 50 2 524 0 9 5 4 50 2 524 0 9 5 4 50 2 524 0 9 5 4 50 2 2...

Page 120: ...3 10 1 4 1 ANGLE SENSOR 118...

Page 121: ...trical Angle 340 2 3 Total Resistance 1 k ohm 20 Index Point Output to calibrate to 15 3 at the condition of above chart 0 Insulation Resistance 200 M ohm minimum DC 500 V Withstand Voltage AC500V 1 m...

Page 122: ...3 12 1 4 2 LENGTH SENSOR CODE REEL 120...

Page 123: ...ct Assembly 1 6 Potentiometer Case 1 7 Packing 1 8 O ring 1 9 Bracket 1 10 Potentiometer 1 11 NIPOSEAL Seal Connector 1 12 Gear 1 13 Fasten Terminal male 1 14 Sleeve 1 15 Fasten Terminal female 1 16 S...

Page 124: ...perature Coefficient origin 0 1 F S C Temperature Coefficient span 0 1 F S C Temperature Compensation Range 20 to 70 C Operation Temperature Range 20 to 70 C Stand by Temperature Range 20 to 80 C Vibr...

Page 125: ...pe of Moment Limiter Automatic Cut Out Crane Rated Load 0 to 2 98 ton Pressure Range 0 to 20 6 MPa 0 to 210kg cm2 Power Supply DC 12V DC 10V 15V Display Panel 0 8 A at DC 12V Max Power Dissipation Con...

Page 126: ...EXTERNAL VIEW OF MOMENT LIMITER DISPLAY UNIT 124...

Page 127: ...3 29 4 2 CONVERTER 125...

Page 128: ...126...

Page 129: ...gth Sensor 1 Analog input 0 72 to 3 07V 0 to 4 5m Angle Sensor 1 Analog input 1 8 to 2 8V 0 to 80 Boom Angle Upper Limit 1 Photo Coupler input See Note 1 Boom Angle Lower Limit 1 Photo Coupler input S...

Page 130: ...128...

Page 131: ...129...

Page 132: ...130...

Page 133: ...131...

Page 134: ...132...

Page 135: ...133...

Page 136: ...134...

Page 137: ...135...

Page 138: ...136...

Page 139: ...137...

Page 140: ...138...

Page 141: ...139...

Page 142: ...140...

Page 143: ...141...

Page 144: ...142...

Page 145: ...143...

Page 146: ...144...

Page 147: ...145...

Page 148: ...146...

Page 149: ...147...

Page 150: ...nd configuration D6 Length Sensor input is under criteria D7 Length Sensor input is over criteria Check Length Sensor installation and configuration D8 AD Converter in Converter is not correctly worki...

Page 151: ...3 72 20 TROUBLE SHOOTING In the event of malfunction check each device in accordance with the Flow Chart below 149...

Page 152: ...3 73 150...

Page 153: ...MEASUREMENT OF EACH SENSOR The drawing above is the motherboard for Converter From top to bottom NF8 Angle Sensor NF9 Length Sensor NF7 Pressure Sensor 2 NF6 Pressure Sensor 1 Measure voltage between...

Page 154: ...4 1 REMOTE CONTROL 1 INITIAL MODE SETTING PROCEDURE 4 2 2 RECEIVER 4 16 3 TROUBLESHOOTING 4 23 152...

Page 155: ...INITIAL MODE SETTING PROCEDURE 1 1 BUTTON ARRANGEMENT ON CONTROL PANEL Alphabetical character on each button corresponds to the button name that appears in the following discussion 153...

Page 156: ...n will become that for setting the OFF timer 3 Use K and L buttons until cursor comes to the side of 10M before pushing the D button That change the OFF timer to show 10M 4 To exit from the initial mo...

Page 157: ...creen for initial mode for user With the system power remaining turned OFF while holding C button pressed continue to press F button until the screen of initial mode for user appears For about 2 secon...

Page 158: ...elerator lever Setting the maximum amount At the time of factory shipment this is set at 100 4 Light For selection of backlight OFF as will as how many seconds the backlight remains on after releasing...

Page 159: ...t Micro Speed For resetting user s Micro Speed rate to the initial value N Not reset setting value of the item to default Y Reset setting value of the item to default 8 Version Version will be display...

Page 160: ...rned OFF while holding H and N buttons pressed continue to press F button until the screen of initial mode for user appears For about 2 seconds After MAEDA RADIO REMOTE CONTROL having showed up B MODE...

Page 161: ...Increase the gain MID LOW Reduces the gain At the time of factory shipment this is set at HI Do not set it besides HI for reasons of the structure of the valve 3 Boom Raising and Lowering For change...

Page 162: ...this OFF At the time of factory shipment this is set at ON 6 Valve neutral position setting VALVE INT For setting valve neutral position If you want to abort setting push D button when the cursor is...

Page 163: ...10 Denomination Select to display unit on load display of transmitter This is a selection of displaying X1000lb or not N 1000lb is not displayed Y 1000lb is displayed Pre set from factory is Y 161...

Page 164: ...tinue to press F button until the screen of initial mode for maker appears For about 2 seconds After MAEDA RADIO REMOTE CONTROL having showed up C MODE Initial Mode for Maker appears before the prompt...

Page 165: ...rror may be displayed the time of manufacture and since it is alike and is displayed with the operation check at the time of shipment etc If it is operating normally now it does not have a problem 4 N...

Page 166: ...for details 9 FLOW ADJ Flow control For setting maximum flow rate point i e lever actuating distance in proportion to triggering ratio Use G and H buttons to change the value of this control At the ti...

Page 167: ...R ON Accelerator ON position Available range 0 to 100 Value at the time of factory shipment 40 Result When this value is increased the timing of the accelerator to be ON position shall become late aga...

Page 168: ...he time of factory shipment 120 Result When this value is increased the timing of the flow rate lever to be maximum point shall become late against triggering ratio Caution Due to dispersion of each v...

Page 169: ...ay become poor when the balance is lost by changing it Advise 1 In case that VR ON Accelerator ON position is set to 0 the crane speed is picked up in proportion to engine rev which results poor manip...

Page 170: ...celerator 100 Bar chart indicator OFF 1S 3S Light 5S 5M 10M OFF Timer 15M Idle Up 0 Bar chart indicator N Reset Micro Speed Y A MODE For User VERSION Version STD OPT PTN Pattern US HI MID Slewing LOW...

Page 171: ...0 SSC3A VALVE Valve NACHI Micro Speed 1 0 This value isnot effective 2 0 3 0 ERROR Error Indication only COUNT Operation Time Number Indication only HOUR Operation Time Indication only ID ID Code Indi...

Page 172: ...170...

Page 173: ...171...

Page 174: ...172...

Page 175: ...LD 3 LD 4 LD 5 LD 6 LD 7 LD 8 LD 9 LD10 LD29 LD28 LD27 LD26 CN6 CN7 CN5 CN8 CN4 CN1 CN2 LD25 LD24 LD21 LD23 LD13 LD12 LD14 LD16 LD19 LD20 LD22 LD11 LD15 LD17 LD18 S1 S4 S3 S2 S5 CN12 173...

Page 176: ...174...

Page 177: ...175...

Page 178: ...4 LD23 LD22 LD21 LD20 LD19 LD18 LD17 LD16 LD15 LD14 LD13 LD12 LD11 LD10 LD9 LD8 LD7 LD6 LD5 LD1 LD2 LD3 LD44 CN3 CN8 CN9 CN11 CN1 CN4 LD30 LD36 LD29 LD38 CN13 CN5 CN14 LD33 LD34 LD35 LD31 CN2 CN10 LD3...

Page 179: ...177...

Page 180: ...178...

Page 181: ...179...

Page 182: ...180...

Page 183: ...181...

Page 184: ...182...

Page 185: ...5 1 ELECTRIC MOTOR 1 POWER UNIT 5 2 2 INVERTER UNIT 5 4 3 POWER SUPPLY BOX 5 18 4 ELECTRIC CIRCUIT DIAGRAM 5 20 183...

Page 186: ...or drive worm and spur gears worm self lock Slewing system Slewing angle speed Engine 360 continuous 60 sec 1 0 RPM Type 1st stage with flexible stay damper 2nd stage manual pullout hydraulic cylinder...

Page 187: ...8 SPECIFICATION DIMENSINAL DRAWING 7 22 185...

Page 188: ...2 POWER UNIT 1 Power unit cover 2 Electric motor 3 Coupling 4 Hydraulic pump 3 3 POWER SUPPLY BOX 1 Power supply box 2 Power supply box door 3 Door handle 4 Terminal block 5 Cable inserting hole 7 8 1...

Page 189: ...NVERTER UNIT 1 Electric motor unit cover 5 AC circuit power switch 2 Protective cover 6 Power lamp white 3 Inverter unit 7 Trouble lamp red 4 DC12V power switch 8 Main breaker with a leak detector 7 9...

Page 190: ...r supply voltage of power supply equipment is at a specified value Replace the cabtyre cable with one adhering to specifications An abnormal noise and vibration are present in the power unit during op...

Page 191: ...188...

Page 192: ...189...

Page 193: ...190...

Page 194: ...191...

Page 195: ...mp Percent lamp Hertz Hz lamp Up key Up Down key lamp Down key RUN key lamp RUN key STOP key Built in potentiometer Enter key MODE key Built in potentiometer lamp Charge lamp Front panel Unlock positi...

Page 196: ...lt in potentiometer Enter key MODE key Displays operation frequency parameters and error causes Built in potentiometer lamp Operation frequency can be changed when the built in potentiometer lamp is l...

Page 197: ...he load is in an abnormal condition Reduce the load fluctuation Check the load operated machine Set the carrier frequency control mode selection parameter to 1 or 3 carrier frequency decreased automat...

Page 198: ...actor Install a dynamic braking resistor 000D Inverter over load The acceleration time is too short The DC braking amount is too large The V F setting is improper A restart signal is input to the rota...

Page 199: ...utput current decreased to a low current detection level during operation Enable low current detection Check the suitable detection level for the system Make a service call if the setting is correct 0...

Page 200: ...em occurs See Note Shaft fixing control Motor shaft fixing control is in process Normal if the message disappears when a stop command is entered or the operation command is canceled Flowing out of exc...

Page 201: ...set the inverter if the cause of the trip has already been eliminated When any overload function inverter overload motor overload braking resistor overload is active the inverter cannot be reset by in...

Page 202: ...function The inverter is in the process of retrying The retry function can be disabled by normal or emergency stop operation or by turning off the inverter When operation panel operation is selected P...

Page 203: ...load If the motor runs at a low speed check whether the torque boost amount is too large The motor runs at a higher or lower speed than the specified one The motor has an improper voltage rating Use a...

Page 204: ...ubject of inspection Inspection item Inspection cycle Inspection method Criteria for judgment 1 Indoor environment 1 Dust temperature and gas 2 Drop of water or other liquid 3 Roomtemperature Occasion...

Page 205: ...lectrolytic capacitor declines When leaving the inverter unused for a long time supply it with electricity once every two years for 5 hours or more each to recover the performance of the large capacit...

Page 206: ...can be known by monitor and alarm output if it is set Standard replacement cycles of principal parts As guides The table below lists part replacement cycles that wear estimated based on the assumption...

Page 207: ...2 SERVICE MANUAL Document No 102E SM1110 00 First edition October 26 2011 Issued by Maeda Seisakusyo Co Ltd 1095 Onbegawa Shinonoi Nagano Nagano 388 8522 Japan No part of this manual can be reproduced...

Reviews:

No comments