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MicroController Control System

Troubleshooting

Problem 27 (continued)

Voltage bellow 11 volts.

Measure the voltage from the (+IN) terminal to (-IN)
terminal of the DC-DC converter.

28.8 volts or above

Below 28.7 volts

Remove all connections at the (+OUT) and (-OUT)
terminals of the DC-DC converter. Measure the
voltage from the (+OUT) to (-OUT).

11 to 13 volts

Below 11 volts

Check the battery and DC-DC converter
input connections from the battery.

Battery low

Poor connection

Check for a short or low resistance
in the auxiliary circuits and loads.

NOTE : Excessive loading places the

converter into current limit
(15A maximum).

DC-DC converter faulty.
Replace converter.

Repair or replace faulty wiring or
connections.

Charge or replace battery.

Voltage above 13 volts.

Remove all connections at the (+OUT) and (-OUT)
terminals of the DC-DC converter. Measure the voltage
from the (+OUT) to (-OUT).

11 to 13 volts

Above 13 volts

Check the output load circuits for
incorrect wiring or shorts to battery
negative.

DC-DC converter faulty.
Replace converter.

Содержание B20S-3

Страница 1: ...Specifications Systems Operation Testing Adjusting MicroController Control System Models B20S 3 B25S 3 B30S 3 for Electric Lift Trucks SB4082E00 Dec 2002...

Страница 2: ...The meaning of this safety alert symbol is as follows Attention Become Alert Your Safety is Involved The message that appears under the warning explaining the hazard can be either written or pictoria...

Страница 3: ......

Страница 4: ...Battery Discharge Indicator BDI 21 Central Vehicle Monitoring System 17 Chat Wait Mode 20 Contactor 20 CVMS International Pictorial Symbols 19 On Board Run Time Diagnostics Fault Detection 17 Shunts 2...

Страница 5: ...02 Tilt and Auxiliary Switches Adjustment 104 Valve Control Card Adjustment 103 LED Diagnosis for Drive controller 47 Preparation Tests and Checks 41 System Tests and Adjustments 96 Discharge Head Cap...

Страница 6: ...frequency 18kHz Pump Motor Switching frequency 18kHz Temperature range 30 C to 40 C Maximum Controller temperature 85 C Current Measurements Component Meter Scale Meter Positive Test Lead Meter Negat...

Страница 7: ...ements SPECIFICATIONS Multimeter Setting Test Lead Test Lead Results Resistance Gate Source Over 20 Mohms Resistance Gate Drain Over 20 Mohms Resistance Drain Source Over 20 Mohms Resistance Drain Gat...

Страница 8: ...anel to a torque of 0 5 to 0 7 N m 4 to 6 lb in 1 Console 1 Tighten bolts that fasten the cover to a torque of 1 5 to 2 5 N m 13 to 22 lb in Direction Switch 1 Torque bolts that hold bracket to steeri...

Страница 9: ...tions Thermal Senders Control Panel Thermal protection at 80 C 176 F Contactor Torque for nuts that hold contactor bridge assembly 2 2 N m 20 lb in Fuses Traction 675A Pump 400A Key 10A Horn 10A DC DC...

Страница 10: ...uts that fasten the cables or bus bars to a contactors to a torque of 4 to 6 N m 36 to 54 lb in 4 Tighten screw that fasten the contactors to backplate to a torque of 2 to 4 N m 18 to 36 lb in 5 Apply...

Страница 11: ...oving part of the motor or generator Bus Bar A heavy electrical conductor to which other smaller wires are connected Capacitor Device used to store electrical energy for short periods of time Cathode...

Страница 12: ...utput Drain The terminal of a MOSFET through which ow the main current Electrical Braking Electrically trying to rotate the drive motor opposite to the direction of truck movement Electromagnet A coil...

Страница 13: ...volt push only one ampere of current through it ON Time The amount of time current ows through a transistor Open Circuit Wiring or components of a circuit that have no continuity Output The current o...

Страница 14: ...power to perform speci c tasks Terminal An electrical connection point on an electrical component Thermal Switch A switch that activates at a set temperature Turn ON When an electrical component condu...

Страница 15: ...Symbols 1 MOSFET 2 Shunt 3 Thermal Sender 4 Thermal Switch 5 Battery 6 Resistor 7 Diode 8 Normally Closed Contacts 9 Normally Open Contacts 10 Armature 11 Male Terminal of Connector Pin 12 Female Ter...

Страница 16: ...s MicroController Control Panel 1 Controller pump 2 Logic card Logics 3 Pump Fuse DRIVE 7 8 6 5 4 3 2 1 MicroController Control Panel 1 Controller drive 2 Logic card Logics 3 Line Contactor 4 Directio...

Страница 17: ...ON and OFF and controlling contactor operation The speed and direction of the drive motor are controlled by voltage inputs to and outputs from the logics Inputs to the logics are generated by the acce...

Страница 18: ...itional problems Display EE Static Return to Off SRO The logics has a Static Return to Off SRO circuit which assures that the direction switch has been returned to neutral and the accelerator returned...

Страница 19: ...appear the letter F and a number The logics will prevent normal operation of the lift truck Display F0 Overcurrent in Drive System The logics monitors the drive motor current via the shunt and compar...

Страница 20: ...rk Brake Symbol If the park brake is applied the park brake symbol will turn on to warn the operator that the brake is applied and drive operation will be prevented Overtemperature Symbol Normally clo...

Страница 21: ...ture symbol and EP will appear on until the pump motor cools Chat Wait Mode If the seat switch is closed key turned to ON and the direction lever is left in neutral with no other operator requests the...

Страница 22: ...warning that lift interrupt is near The operator should complete the current lift operation and travel to the battery replacement or charge area If the truck is kept in operation the display go to a...

Страница 23: ...DC converter changes the lift truck battery voltage to 12 volts This 12 volts is used to power accessories such as oodlights brakes side lights and backup alarms The positive of the 12 volt output is...

Страница 24: ...R OF ACCELERATOR POTENTIOMETER 0 DC 2 NPOT NEGATIVE SUPPLY TO ACCELERATOR 0 DC 3 PPOT POSITIVE SUPPLY TO ACCELERATOR 12V DD 1 KEY INPUT FROM KEY SWITCH B DD 2 CM COMMON RUNNING MICROSWITCHES B DE 1 HA...

Страница 25: ...CONSOLE SUPPLY OR INSTRUMENT POSITIVE 12V PB 7 PB 8 PC 1 CPOT LIFT CENTER OF LIFT POTENTIOMETER 0 PC 2 NPOT NEGATIVE OF POTENTIOMETER 0 PC 3 PPOT POSITIVE OF POTENTIOMETER 12V PD 1 KEY INPUT FROM KEY...

Страница 26: ...or drive will operate When the battery is connected and the key switch is closed current ows from battery positive through the key fuse key switch wire 5 to the logic connector DD 1 and through the li...

Страница 27: ...oltage and the logics receives battery voltage from BATT terminal Hydraulic Pump Circuit Only one hydraulic pump motor series winding is used for all power steering lift tilt and auxiliary hydraulic f...

Страница 28: ...logics knows that more hydraulic ow is required and will supply more higher pulse ratio to TP The pump motor speed will increase When the lift lever is pulled the logics will pulse the pump MOSFET TP...

Страница 29: ...anging signal that can only be viewed on an oscilloscope Because TP is N type MOSFET the positive signal into the gate causes current ow through the drain source junction When current ows through the...

Страница 30: ...ollapsing magnetic eld of the eld wingdings in the pump motor to keep current owing when MOSFET TP is OFF When TP is OFF all current from the eld goes through armature ARM M DP SHUNT and M back to the...

Страница 31: ...r the greater the hydraulic pump motor speed Location of Components 2 Lift Sensor 3 Magnet 2 LIFT SPOOL 3 When the operator pulls the lift lever magnet 3 moves closer to the lift sensor 2 The sensor d...

Страница 32: ...tor at DC 3 Releasing the park brake closes the park brake switch and provides voltage to DE 1 Selecting a direction will change the voltage from 0V to 48V on DE 3 for forward or DE 6 for reverse Depr...

Страница 33: ...e pump motor circuit by the MicroController Control System To activate the drive circuit the seat switch key switch and line contactor must be closed rst The logic generates a positive pulsing voltage...

Страница 34: ...tage at gate of TA is also the percent on time of the MOSFET TA As the on time increases the average voltage applied to the drive motor increases which increases the speed of the lift truck The percen...

Страница 35: ...apses This collapsing magnetic eld induces current which is used to power the drive motor while the TD is OFF during pulsing Induced current ows from the Armature windings through the direction contac...

Страница 36: ...and the shunt a voltage is created by the shunt This voltage is proportional to the current owing through the shunt and will increase or decrease as current changes The logics uses this voltage to mo...

Страница 37: ...nects the drive motor in series with the battery applying full battery voltage to the drive motor If the accelerator pedal is fully depressed and the logics has pulsed TD through 95 on time the logic...

Страница 38: ...tive braking applies when armature generated current is forced to ow backwards through the battery This system has much better characteristics than previous plugging only systems The braking energy is...

Страница 39: ...electrically brake the truck With the eld energized and momentum of the truck turning the armature opposite the pulsed direction the armature generates it s own current The generated current ows from...

Страница 40: ...ve motor is no longer turning fast enough to generate enough current to charge the battery The logics monitors this condition through the shunt When the truck has come to a stop the armature no longer...

Страница 41: ...150 C When it opens voltage at logic connection DE 2 will go LOW The Central Vehicle Monitoring System will display a Run Time diagnostic symbol and Ed To decrease the amount of current allowed to ow...

Страница 42: ...disconnected NOTICE Damage can be caused to the control panel Do not use steam or solvent to clean the controls Use pressure from an air hose with a maximum pressure of 205 kPa 30 psi to clean the co...

Страница 43: ...the battery with a hydrometer If the speci c gravity indication is below 1 140 the battery must be charged The battery is fully charged if the indication is 1 265 to 1 285 NOTE The indication between...

Страница 44: ...ring out Repairs should be made immediately otherwise the battery may become damaged Batteries stored in a discharged condition may be dif cult to recharge due to sulfate formation Visual Checks 1 Ver...

Страница 45: ...pen Directional switch Forward Handbrake Released Accelerator Depressed to above half position 2 Key switch to on display A3 and accelerator symbols 3 Directional lever to neutral and release the acce...

Страница 46: ...rn 2 Release the parking brake select forward direction and depress the accelerator slightly The drive wheels should turn forward slowly 3 Slowly increase the amount of accelerator depression The driv...

Страница 47: ...ver is not neutral or accelerator is pressed INCORRECT START EE Flashing The key switch is turned to on and no one is in the seat The seat switch is opened longer than seat delay time A Head capacitor...

Страница 48: ...uch damaged replace the contator b The braking contactor remains excited for a defect in the logic board or because the coil wire is in short towards the negative For understanding if the defect is pr...

Страница 49: ...ng contactor loses verifying that the VMN goes from 1 3 to 2 3 If this does not occur an alarm is shown A4 There is not a good contact on the NO of REGEN CTR clean the contact if it is too much damage...

Страница 50: ...ect installation 9 BATTERY LOW The battery charge is low The alarm is signalled only if the battery check option has been selected from the serial console default When this alarm occurs the maximum cu...

Страница 51: ...cur replace the logic 21 SHORTED COIL An overload or a shot circuit toward BATT on the contactor negative driver outputs Possible causes a The contactor coils are short circuited or absorb more than 6...

Страница 52: ...lues 9 EEPROM CONF KO Fault in the area of memory in which the special chopper con guration data is stored If the defect persists when the key is switched off and on again replace the logic Otherwise...

Страница 53: ...defect 14 Accelerator circuit defect 15 Incorrect contactor operation RUN TIME DIAGNOSTIC PROBLEMS 16 Display EE no lift truck drive operation 17 Display EE Flashing no lift truck drive operation 18 D...

Страница 54: ...2 no lift truck operation 31 Display F3 no lift truck operation 32 Display F4 no lift truck operation 33 Display F5 no lift truck operation 34 Display F6 no lift truck operation 35 Display F7 no lift...

Страница 55: ...inuity Check for shorts and replace fuse Replace key switch or repair broken wire 5 between key switch and DD 1 Close key switch Measure voltage on DD 1 Battery Less than Voltage Battery voltage Measu...

Страница 56: ...VMS connector PIN 1 Open circuit from PB 5 to CVMS connector PIN 5 CVMS defect Connect multimeter positive lead to PB 6 and negative lead to PB 5 Measure the voltage 12volts 0 volts Connect CVMS conne...

Страница 57: ...BLE CAUSE Connection defect Wiring defect Logics defect Display defect Check for shorts to battery negative from PIN 1 to PIN 5 on CVMS connector No shorts found Shorted Repair or replace open wire Re...

Страница 58: ...eplace line contactor tips or power connections PROBLEM 4 Display all symbols two times when the drection lever is selected and accelerator is depressed and then blank no lift truck drive or pump moto...

Страница 59: ...IBLE CAUSE Wiring defect Logics defect Check continuity from control panel battery negative to battery negative Continuity No continuity Repair or replace open wire Replace logics CHECKS With the key...

Страница 60: ...e truck goes into Quick Diagnostic Check voltage from logic DE 3 to battery negative No voltage Battery voltage CHECKS Release the accelerator pedal and move direction switch to neutral Key switch off...

Страница 61: ...ity from DD 2 harness connector to DE 4 Should be closed circuit when seat is pressed on and open circuit when seat is released No continuity Constant continuity Check OK Replace seat switch Check wir...

Страница 62: ...connector Check continuity from DD 2 to DE 3 harness connector With direction lever in forward should have a closed circuit in neutral should be open Check OK Check failed Replace direction switch Ch...

Страница 63: ...ace logics Measure voltage from Pin7 to Pin5 battery negative as the lever is pulled and released 9 0 to 11 0 and 2v 9 0 to 11 0 and 2V Measured NOT measured Key switch ON Connect multimeter negative...

Страница 64: ...ECKS Disconnect PD or PE connector Pull tilt lever to maximum Check continuity from PD 2 to PE 5 Continuity No continuity Replace tilt switch Check continuity from PD 2 of wire 44 to Pin1 of valve boa...

Страница 65: ...Disconnect PD or PE connector Pull auxiliary lever to maximum Check continuity from PD 2 to PE 2 or PE 3 Continuity No continuity Replace AUX switch Check continuity from PD 2 of wire 44 to Pin1 of v...

Страница 66: ...ct CHECKS Disconnect DD or DE connector Release park brake lever Check continuity from DD 2 to DE 1 Continuity No continuity Replace park brake switch Check continuity from DD 2 of wire 4 to terminal...

Страница 67: ...ect CHECKS Disconnect DD or DE connector Push down the brake pedal Check continuity from DD 2 to DE 5 Continuity No continuity Replace pedal brake switch Check continuity from DD 2 of wire 4 to Pin2 o...

Страница 68: ...ive lead to DC 1 negative lead to DC 2 Measure the voltage accelerator pedal released 0 volt Press accelerator pedal to max 7 to 11 volts Check OK Check failed Replace logics Replace accelerator Disco...

Страница 69: ...ing defect Line contactor defect Logics defect Disconnect the battery Check for free mechanical movement of contactor tips Movement OK Movement not free Connect the battery Key switch ON Measure volta...

Страница 70: ...ed Accelerator control defect Logics defect CHECKS Check for SRO by release of accelerator release park brake move the direction lever to neutral reselect direction and press the accelerator No change...

Страница 71: ...ontrol System Troubleshooting PROBLEM 17 Display EE Flashing no lift truck drive operation POSSIBLE CAUSE No opterator in seat Seat switch defect Open wiring Logics defect CHECKS See Problem 7 seat sw...

Страница 72: ...rive motor or wire 72 for pump motor Connect the battery and close the key switch and seat switch Does the LCD go out No Yes Disconnect the battery Check continuity of the respective wires to the cont...

Страница 73: ...rmostat thermal senders defect Logics defect CHECKS Let the truck cool for 15 minutes EC Drive controller Ec Pump controller Overtemperature indicator ON Normal display Check the cooling fan for contr...

Страница 74: ...t close to room temperature disconnect the drive motor thermal switch connector Check continuity of thermal switch Should have continuity below 123 C 253 F Continuity No continuity Check continuity of...

Страница 75: ...at close to room temperature disconnect the pump motor thermal switch connector Check continuity of thermal switch Should have continuity below 123 C 253 F Continuity No continuity Check continuity o...

Страница 76: ...Connect battery turn on key switch close seat switch and measure voltage from BATT to BATT on controller Voltage must be greater than 45 volts Voltage OK Voltage low With key ON seat switch and line c...

Страница 77: ...quires battery voltage to run Measure voltage at hourmeter to ensure that it is battery voltage No voltage Battery voltage Check continuity from seat switch to hourmeter positive terminal Continuity N...

Страница 78: ...ydraulic operations display is normal and drive current limit is half POSSIBLE CAUSE Pedal brake switch shorted Check continuity from DD 2 to DE 1 Continuity No continuity Disconnect wire from pedal s...

Страница 79: ...BLE CAUSE Accelerator defect Direction control circuit defect Current limit set too low Wiring defect Logics defect CHECKS Perform Quick diagnostics Passed Does not pass Readjust current limit to spec...

Страница 80: ...horn circuit activated check for voltage on the load side of the horn fuse Battery voltage No voltage Check for voltage on the load side of the horn switch Battery voltage 0 volt Repair or replace op...

Страница 81: ...Voltage output above13V below 11V 11 to 13V Check for voltage on the load side of the auxiliary switch 11 to 13 volts 0 volts Repair or replace open wire going to battery negative Check for short cir...

Страница 82: ...tinues to fail replace the DC DC converter Measure the voltage from the B cable at the line contactor to the NEG INPUT terminal of the DC DC converter Battery voltage 0 volt Repair open negative conne...

Страница 83: ...ections from the battery Battery low Poor connection Check for a short or low resistance in the auxiliary circuits and loads NOTE Excessive loading places the converter into current limit 15A maximum...

Страница 84: ...PROBLEM 28 Display F0 no lift truck operation POSSIBLE CAUSE Excessive drive motor currents due to pushing or ramp application Failed drive motor Failed logics Weak or discharged battery Set the IMAX...

Страница 85: ...e in forward and depress accelerator Display F 1 Drive operation nomal PROBLEM 29 Display F1 no lift truck operation POSSIBLE CAUSE Accelerator circuit defect Logics defect Set again the accelerator s...

Страница 86: ...l is casually in short with a metallic part connected to the battery negative 2 disconnecting the contactor wire always exited from board connactor if the contactor is no longer exited replace the log...

Страница 87: ...n the armature coil or the eld coil in pump motor during operation Logics defect CHECKS Check the pump fuse open Yes No Remove the pump controller from frame and replace the pump controller Replace th...

Страница 88: ...ontrol System Troubleshooting CHECKS See Problems 30 and 31 Display F2 and F3 Do both procedures PROBLEM 32 Display F4 no lift truck operation POSSIBLE CAUSE Shorted MOSFET TD in Drive Module and MOSF...

Страница 89: ...ge on S1 or S2 drive motor cable CHECKS Disconnect the battery and disconnect the S1 S2 cables from the drive controller and measure the voltage of S1 terminal Frame Voltage 0V Check continuity from f...

Страница 90: ...MOSFET TP in Pump Module Opened armature or eld coil in pump motor when the key key switch turn to on CHECKS Check the continuity of P1 P2 cables Continuity No continuity Measure the resistance betwe...

Страница 91: ...tem Troubleshooting PROBLEM 35 Display F7 no lift truck operation line contactor closes and opens POSSIBLE CAUSE Failure in both the drive and pump circuits CHECKS See Problem 33 and 34 Display F5 and...

Страница 92: ...horted wire 15 to negative Logics defect Repair or replace contactor tips Repair or replace faulty wire Replace the logics of drive controller CHECKS Disconnect the battery check regen contactor for w...

Страница 93: ...CKS Disconnect battery measure voltage at battery connector terminal Voltage must be higher than 40 volts or lower than 60 volts Voltage OK Wrong voltage With key on seat switch and line contactor clo...

Страница 94: ...an completely for a mechanical defect of the contactor It may be due to 1 of follawing causes of motor connecting interruption 1 brushes lift up from commutator 2 brushes cable burn up 3 Interruption...

Страница 95: ...close See point D G Supply don t come up to forward contactor please check cabling and connections from forward contactor coil to connectors X and Y H Supply don t come up to reverse contactor please...

Страница 96: ...CHECKS Key switch ON Seat switch ON Measure voltage at PC 1 Over than 0 1V No voltage Adjust the value control card P113 Refer to Valve Control Card Adjustment in this manual Still FL Replace logics...

Страница 97: ...y recommeded that a device that has a voltage output as well as a visible display be used This makes viewing and adjusting currents from the operator s seat possible The jaws of the current probe shou...

Страница 98: ...ect 8 1 2 3 4 5 6 7 cables from the controller ass y and disconnect 4 connectors and 4 terminals from the controller 3 Loosen 5 bolts 8 that hold the controller ass y and remove the controller ass y W...

Страница 99: ...Controller Control System Testing And Adjusting 4 Remove the controller ass y 5 Loosen 4 screws 6 that hold logic cover and remove the side cover 7 connector PG 8 6 Remove the plate 9 7 Remove logics...

Страница 100: ...with no one on the seat 3 The display should show the letter EE ashing on and off 4 With an operator on the seat or by pressing on the seat the letter EE should disappear from the display and the driv...

Страница 101: ...ter lter NOTE When control wires and power cables or bus bars are to be connected to the same bolt or stud place all control wires together on the top of the bus bar or power cable Use the electrical...

Страница 102: ...he coil 3 Set the multimeter to the 200 range 4 Measure the resistance of the coil at both teminals If must be within speci cations See Component Measurements in Speci cations section 5 If the coil is...

Страница 103: ...tor slowly to stop The speed symbols will increase from 0 to 10 on LCD 4 1 2 3 80 Parking Brake Switch The lift truck can move suddenly Injury to personnel or damage to the lift truck is possible Safe...

Страница 104: ...move suddenly Injury to personnel or damage to the lift truck is possible Safety lift the drive wheels off the oor Put blocks of wood under the frame so both drive wheels are free to turn Keep away f...

Страница 105: ...e valve opening adjust P1 1 counterclockwise Tilt and Auxiliary Switch Adjustment Because each tilt and auxiliary switch can turn on the pump motor it is recommended that only one be connected to star...

Страница 106: ...tem Testing And Adjusting Digital Console CONSOLE CONNECTOR DISPLAY A284220 1 PARM 2 TESTER 3 SAVE 4 RESTORE 5 ALARMS 6 ACCELERATOR 7 MOTOR DATA BUTTONS ROLL ENTER PARAM ROLL OUT SET I MOX TEMP V MOT...

Страница 107: ...osition of connector 5 Key switch on the display will show the HEADING Description of Standard Console Menu VIEW A VIEW A CONNECTOR B Using Digital Console H2 REG DH X XX 48V 600A XXXXXX Pump controll...

Страница 108: ...OFF HANDLE SEAT SW ON OFF MOTOR TEMPERAT ON OFF BYPASS CONTACTOR BYPASS WEAKENING SPEED CONTROL ON OFF BATTERY CHECK ON OFF ANTIROLLBACK ON OFF RELEASE BRAKING ON OFF HOUR COUNTER RUNNING KEYON SAFETY...

Страница 109: ...R COUNTER RUNNING KEYON MAIN CONTACTOR RUNNING STATUS PRESENT AUX FUNCTION RUNNING STATUS HYDRO CONTACTOR EXCLUSIVE HYDRO SET BATTERY TYPE ADJUST BATTERY MOTOR DATA MAIN MENU HEADING MODEL STANDARD PU...

Страница 110: ...4 Press ROLL UP or ROLL DOWN buttons until SET OPTIONS Menu appears 5 SET OPTIONS appears on the display 6 Press ENTER to go into the SET OPTIONS Menu 7 The display will shows the rst OPTION 8 Press R...

Страница 111: ...Hour meter only active when running KEY ON Hour meter active with the key on Interrupt function for the truck when the key switch turn on SEAT without an operator on the seat or while no one is on th...

Страница 112: ...e display 6 Press ENTER to go into the ADJUSTMENTS Menu 7 The display will shows SET BATTERY TYPE 8 Press PARAM or SET buttons to choose nominal value of the battery 9 New battery value appears on the...

Страница 113: ...ENTER to go into the ADJUSTMENTS Menu 7 The display will shows SET BATTERY TYPE 8 Press ROLL UP or ROLL DOWN buttons until desired OPTION appears 9 ADJUST BATTERY appears 10 Press PARAM or SET button...

Страница 114: ...ss ENTER to go into the PROGRAM VACC routine 7 The Display will show the minimum and maximum values of accelerator or valve board output 8 Press ENTER to clear these values Display will show 0 0 9 Sel...

Страница 115: ...of the Handbrake switch 12 BRAKE SWITCH the level of the Pedal brake microswitch ON VB active entry of the Pedal brake switch OFF GND non active entry of the Pedal brake switch 13 HANDLE SEAT SW the l...

Страница 116: ...ENTER to go into the TESTER function 7 The rst variable to be tested is shown on the Display 8 Press either ROLL UP or ROLL DOWN buttons 9 Next variable for measurement appears 10 When you have nished...

Страница 117: ...ROLL DOWN button until ALRAMS appears on display 5 The Display will show 6 Press ENTER to go into the ALARMS function 7 The Display will show the most recent Alarm 8 Each press of the ROLL UP button b...

Страница 118: ...HEADING 2 Press ENTER to go into the MAIN MENU 3 The Display will show 4 Press ROLL UP or ROLL DOWN button until SAVE PARAM appears on the display 5 The Display will show 6 Press ENTER to go into the...

Страница 119: ...NTER to go into the MAIN MENU 3 The Display will show 4 Press ROLL UP or ROLL DOWN button until RESTORE PARAM appears on the display 5 The Display will show 6 Press ENTER to go into RESTORE PARAM func...

Страница 120: ...1 reduction of speed relative to DB 7 10 COMPENSATION compensation of the speed motor voltage on the basis of the current when the speed reduction is active 11 WEAK DROPOUT threshold of current for op...

Страница 121: ...MP Aux2 speed compensation 19 4TH SPEED CORSE Pump 4th speed coarse Not used 20 4TH SPEED FINE Pump 4th speed ne Nor used 21 4TH SPEED COMP Pump 4th speed compensation Nor used 22 CREEP SPEED de ne th...

Страница 122: ...0 97 1 09 1 22 2 DECELER DELAY sec 0 06 0 13 0 19 0 25 0 31 0 38 0 44 0 50 0 56 0 62 3 EV ACCELER DEL sec 0 39 0 63 0 71 0 81 0 97 1 05 1 27 1 36 1 46 1 54 4 EV DECELER DEL sec 0 30 0 60 0 70 0 78 0...

Страница 123: ...made Press OUT 11 The Display asks ARE YOU SURE 12 Press ENTER to accept the changes or Press OUT if you do not wish to accept the changes and wish to make further modi cations to the parameters 13 Th...

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Содержание B20S-3

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Doosan B20S-3, Спецификации систем эксплуатации, испытания и регулировка, Страница: 83 / 123

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Содержание B20S-3

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