Doohan iTango Service Manual
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Doohan iTango Service Manual

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iTango service manual
DH-MM1117-01

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Summary of Contents for Doohan iTango

  • Page 1 DH-MM1117-01...

  • Page 2: Table Of Contents

    Contents Chapter 1 Important instructions Preface Fault Report and suggestions Warnings and Attentions Chapter2 General information VIN location General specification Chapter 3 Service materials Standard parts specification &General torque Preparation of dismantle & replace Washer,oil seal Bearing and oil seal Check connecting parts Chapter 4 Inspection &...

  • Page 3: Chapter 1 Important Instructions

    The service provider that authorized by Zhejiang Doohan Technology Co., Ltd. should well understanding this manual and provide the best after service for the end users. All products, special tools and parts has been referred in the user manual, you should obtain it from Zhejiang Doohan Technology Co., Ltd.
  • Page 4 We are willing to accept or update if you find any fault in the service manual or suggestions for us. Any fault report and suggestions, you can sent mail to Zhejiang Doohan Technology Co., Ltd. The contact information as follows: Zhejiang Doohan technology co.,ltd after sales department.

  • Page 5: Warnings And Attentions

    Warnings and Attentions Definition The maintenance information listed in the service manual to assist the technician for diagnosing and servicing in order to the vehicle can running normally; however, if not operated as recommended, some processes may be dangerous. The warning and caution items are made to prevent danger, but not all of the dangers can be expected.

  • Page 6: Chapter2 General Information

    Chapter 1 General information VIN location When the vehicle is registered or received a traffic license, it is necessary to report the vehicle identification number and the motor number. also need to be provided the above number for quality claim. ①...

  • Page 7: General Specification

    ≤2m(20km/h) load 200kg Brake ≤3.5m(30km/h) capacity distance(dry road) person ≤3m(20km/h) Standard Braking iTango Classic: 50KM(25km/h) ≤4m(30km/h) power distance(wet iTango HO: consumptio road) 50KM(45km/h),70KM(25km/h) Frame front shock absorber Sleeve& oil damping rear shock absorber Sleeve & oil damping front tire spec.
  • Page 8 20AH（DH-05-10） 26AH (DH-05-12) charger input voltage(V) AC 220V or 110V(optional) charger output voltage(V) standard charging 3A（iTango-C） current 5A(iTango-H) standard charging time max range 50KM battery weight 10KG battery recycle times 500 times range of battery using -20℃ to 60℃...
  • Page 9 Chapter 2 Services materials Standard parts specifications and general torque To inform the customer about the standard parts specifications and corresponding maintenance tools. According to the ISO standard thread depth to define the locking torque of the standard firmware. The locking torque of the special components or assembly is described in the relevant sections of the manual.

  • Page 10: Washer,Oil Seal

    General Open/wre torque( N. nch&sock B (spec.) 4～7 25～35 5, The national standard GB / T 845-1985 for cross-slot head tapping screws, GB / T818-2000 for cross-groove round head screws, maintenance tools for the unity of the screwdriver. Torque is not required, only need to be tighten. Preparation of disassemble &...
  • Page 11 Attention Make sure all joint part have been locked. 5.Inspection (Using multimeter) to continuously check other related items. Attention If there is no need to continue to check the items, please clean the terminals. follow up steps 1 to 3 to check the wire jacket. To correct it quickly, use the contact 【Contact restorer】.

  • Page 12: Chapter 4 Inspection & Adjustment

    Chapter 3 Inspection & adjustment This chapter contains all the information what is items must be checked and adjusted. If regularly implement these maintenance procedures, it will make the vehicle more smoothly driving and life can be extended. The cost of relative maintenance will be down. The information has been described in this chapter applies to vehicles that are not sold and sold.

  • Page 13: Tire Inspection

    Attention The free clearance of brake handle is 10-20 mm subject to the end of the brake handle. Inspection & adjustment of rear drum brake brake operation inspection ⚫ wear indicator Attention When the wear indicator points to the wear limit line, replace the whole brake block. adjustment ⚫...
  • Page 14 If damaged or scratched, please replace. Attention Don’t try to repair a tire which has been punctured. If must to repair it, please be careful and replace with high quality tires as soon as possible. tire spec. front tire rear tire 70/90-12 90/70-12 1:The tire has a sign of the direction of rotation...
  • Page 15 Chapter 4 Vehicles Body Plastic parts Sequence of Operation Spare parts name Quantities Remarks Remove plastic parts Front panel Remove parts as sequence. Helmet hook Tool box Lower interior lining panel,Front panel lower liner Lower part, Tool box Frame left/right fender Right/left strip Parts assembling with the Frame base plate...
  • Page 16 Sequence of Operation Spare parts name Quantiti Remarks Disassemble parts in order Remove front wheel Attention Hexagon socket head cap screws, M5×10 To hold up the vehicle by Trim strip, Front axle. appropriate bracket Hexagon socket head cap screws M10×25 suspend.
  • Page 17 1.Inspection ⚫ Wheel bearings: if front wheel rotation is not smooth or loose, please replace the wheel bearings. ⚫ Bushing Damaged or scratched-replace. Inspection of front disc brake To inspect and adjust the brake block as follows. 1. Inspection ⚫ Shoe block, Front hydraulic brake.

  • Page 18: Rear Shock Absorber Assy

    Sequence Spare parts name Quantities Remarks Operation Disassemble the front shock absorber assy Disassemble parts in order Front shock absorber assy M10×45 ,Hexagonal flange bolt M10,Hexagonal flange nylon Parts assembling with the reverse order self-locking nut of disassembling. Inspection of shock absorber ⚫...
  • Page 19 Ass,Pull rod of ball head, Steering knuckle axletree assy Sequence Spare parts name Quantities Remarks Operation Disassemble the ball head rod assy M10,Hexagonal flange iron self-locking Disassemble parts in order Pull rod of ball head, assy Attention Both sides is symmetrical, Don’t M10×60,Hexagonal flange bolt Steering knuckle axle assy need to remove both sides when one...
  • Page 20 Inspection, pull rod of ball head. ⚫ Pull rod Bend/damaged——replace the assy of pull rod of ball head. ⚫ Ball head bearing Rotation is not flexible——clean the surface mud Damage/loosen——replace ball head assy ⚫ Hex nut Loosen——adjustment ⚫ Bolt Bend/damage/wear——replace Inspection of steering knuckle axletree assy ⚫...
  • Page 21 Sequence of Operation Spare parts name Quantities Remarks Disassemble swing arm assy Disassemble parts in order M10×20,Hexagon socket head cap screws Attention M10×150,Hex bolt Both sides is symmetrical, Don’t need to remove both Right swing arm assy Left swing arm assy sides when one side need to Connecting rod of steering service.

  • Page 22: Location Of Electric Parts

    Chapter 5 introduction of electric parts & maintenance of malfunction Location of electric parts Accelerator DC-DC converter USB charging port controller VCU-anti-theft device horn motor...

  • Page 23: Function Introduction Of Electric Parts

    Function introduction of electric parts Battery: The battery is power for electric scooter. It is 18650 ternary lithium battery cells from Japan and South Korea system for our E-scooters. by the series To enhance the total capacity of the battery with series system and improve the total voltage of the battery with parallel system, To complete the management of the battery by BMS system, BMS functions including over discharge protection, overcurrent protection, temperature protection, short circuit protection, balanced the dropout voltage of battery cells, SOC power display, CAN communication, The battery will automatically dormant and stop output when the output current is lower than 2A, the...
  • Page 24 Electrical schematic diagram iTango-C iTango-H...
  • Page 25 Access inspection of plug-in Use the multimeter to check the access of each plug-in. If the access value is incorrect, check the wiring connection and replace the plug-in as needed. Attention ⚫ Do not insert the meter bar into the wireless terminal end of the connector. The bar must be inserted into the wired terminal end of the connector①, when inserting, be careful not to loosen or damage the wiring.
  • Page 26 Faults phenomena and maintenance methods Faults phenomena: No power supply ①No power of battery: A. Press the button on the battery indicator to observe if the indicator light is lighted or not, the red light is means lowest power, the red light flashing is means that the battery has been run out.
  • Page 27 plug and transfer the multimeter to the buzzer. When the ignition lock is in the open state, the measurement of electricity if the red line and the black line of the ignition lock are "ON", if it does not pass, it means that the lock is burned and needs to be replaced. ③...
  • Page 28 ① Check whether it is well connected for the phase Phase loss One of the phase line of motor is line of motor and controller. ② if the controller is burnout, replace a new one protection disconnected. ① Check whether return of brake handle is normal Brake state The controller is braking state and brake switch is burnout, replace if necessary.
  • Page 29 Fault phenomenon: The battery is short charging time. Fault reasons and solutions: ① Charger fault: battery can not be fully charged: replace or repair the charger; ② battery socket burn-in, poor contact: repair or replace the battery. Fault phenomenon: The green light of changer always bright, lights of charger is not bright or fans doesn’t rotate when charging after plug is well connected.
  • Page 30 ② Motor Hall is defects, replace or repair the motor Under voltage protection Battery voltage is too low, charge the battery. Overload or the motor is burnout, to repair or Locked-rotor protection replace the motor To check whether the accelerator cable box is Accelerator handle damaged, and replace it To check whether it is return of the accelerator cable...
  • Page 31 Check the vehicle circuit whether there is the phenomenon of short circuit, to repair or replace it if Short circuit protection short circuit. GPS Fault VCU internal faults, maintenance and replacement GPRS Fault VCU internal faults, maintenance and replacement Gyro Fault VCU internal faults, maintenance and replacement VCU internal faults, maintenance and replacement Abnormal power...

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