Hobbywing Xerun Manual

Hobbywing Radiostyret legetøj Xerun

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Attention! The motor temperature should be lower than 100 degrees Celsius (212 degrees Fahrenheit) in operation. Because high temperature may cause the magnets to get demagnetized, the coil to get melt and

short circuited, and the ESC to get damaged. A suitable gearing can effectively prevent the motor from overheating.

To avoid the possible damage to ESC and motor caused by the overheat, please start with a small pinion/a big FDR and check the motor temperature regularly. If the motor and ESC temperatures always stay at a low

level during the operation, change a big pinion/a low FDR and also check the motor temperature regularly to ensure that the new FDR is suitable for your vehicle, local weather and track condition.

(Note: For the safety of electric devices, please check the ESC and motor temperatures regularly.)

Warnings

CA UT IONS

Thank you for purchasing HOBBYWING XERUN 4268/4274 Sensored Brushless Motor.

High power motor can be very dangerous, so please read through this manual carefully.

Given that we have no control over the correct use, installation, application,

or maintenance of our products, no liability shall be assumed nor accepted for any

damages, losses or costs resulting from the use of the product. Any claims arising from

the operating, failure or malfunction etc. will be denied. We assume no liability for

personal injury and/or consequential damages resulting from our product or our

workmanship. As far as is legally permitted, the obligation to compensation is limited to

the invoice amount of the affected product.

AT T ENT ION

Specifications

Installation & Connection

Gearing

• (W ith the motor direction set to CCW), take the graduation/value after “CCW” on the motor case as

the starting point when adjusting the timing. (With the reversed triangle pointing at a value/graduation,

the smaller/bigger the value, the smaller/bigger the timing. The timing is 40 degrees in picture 1.

• (W ith the motor direction set to CW), take the graduation/value after “CW” on the motor case as the

starting point when adjusting the timing. (With the reversed triangle pointing at a value/graduation,

the smaller/bigger the value, the smaller/bigger the timing. The timing is 20 degrees in picture 1.

• The motor timing is 30 degrees by default (as shown in picture 2). The motor timing should be with in

30 to 40 degrees if you want to activate the Turbo timing. And the timing can be within 20 to 40

degrees if you have no intention to activate the Turbo timing.

Timing Adjustment

Features

Assembly and Disassembly

• Install the motor in its mount using M3 & M4 screws no longer than 8mm. (*M3: 4PCS, M4: 2PCS)

• There are 3 power wires coming from the ESC must be soldered to the motor. They are usually color

coded as Blue for Wire A, Yellow for Wire B and Orange for Wire C. When connecting the power

wires between the ESC and motor, please make sure that you match ESC Wire A to Motor Phase A,

ESC Wire B to Motor Phase B and ESC wire C to Motor Phase C (This is VERY important).

• When using Sensored ESC, make sure the sensor cable is clean and reliable. Connect the sensor cable

to both ESC and motor in the correct direction.

When using Sensorless ESC, swap any two wires if the motor runs in reverse.

• Double check you have all the connections correct before turning on the ESC (See connection

diagram as below).

The XERUN 4268/4274 is very strong in construction but also easy to disassemble for maintenance.

We recommend you check the bearings and clean the motor at regular intervals——depend on the frequency of usage and the track surface.

Please follow the steps in below to assemble the motor. When disassembling the motor, the sequences are reversed.

Parts List

USER MANUAL

XERUN 4274 / 4268

Sensored Brushless Motor

Model PN KV

(No-load)

No-load

Current

Dimension

(mm)

shaft *

(mm) Pole ApplicableLiPo W (g)R. (Ω)

XERUN-4268SD-1600KV-G2 1600KV 0.0151 2.8A 322g30401900 2-6S Φ=42 / L=68

XERUN-4268SD-1900KV-G2 1900KV 0.0084 4.5A 325g30401901 2-6S Φ=42 / L=68

XERUN-4268SD-2600KV-G2 2600KV 0.0051 4.6A 328g30401902 2-4S Φ=42 / L=68

XERUN-4274SD-2250KV-G2 2250KV 0.0047 5.4A 396g30405000 2-6S Φ=42 / L=74

Φ=5 / L=18.5 4

1:8

Monster Truck, SCT,

Buggy and Touring Car

1:8

Monster Truck,SCT,

Truck and Touring Car

• Never leave this unit unsupervised when it is powered on.

• All wires and connections should be well insulated. Short circuits can possibly damage the products.

• Avoid incorrect connections between the electronic speed controller (ESC) and the motor.

• Never allow this product to come in contact with water, oil, fuel or other electro-conductive liquids.

If this happens, stop the use of your product immediately and let it dry carefully.

• Avoid overloading the motor due to wrong or too aggressive gear ratio. Different ESCs have

different internal timings, follow the ESC instructions.

• Never apply full throttle if the pinion is not installed. Due to the extremely high RPMs without load,

the motor can get damaged.

• Always wire up all the parts of the equipment carefully. If any of the connections come loose as a

result of vibration, your model RC may lose control.

• Never allow the motor case to get over 100 degrees Celsius (212 degrees Fahrenheit) because the

magnets maybe demagnetized by high temperature.

• Built-in chip for being easily identified by HOBBYWING ESCs. When pairing with HW 1/8th scale Sensored ESCs (i.e. XR8 Plus), the motor can work in the “Sensored” mode at all times with great output linearity after

it’s identified by the ESC. And the Turbo timing is allowed to be activated for higher output.

• Magnetic ring on the rotor prevents the motor from signal interference and guarantees its super stability in the “sensored” mode.

• Low cogging torque for smooth and stable low-speed running of the vehicle.

• Selectable mechanical timing of 20 to 40 degrees for different power output.

• New-style “U” solder tabs for easy soldering/wiring and high durability.

• CNC machined aluminum ribbed heatsink case with excellent coating.

• High temperature tolerance windings, high quality output shaft, high precision bearings, and rotor with a strong structure guarantees super durability.

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