TTGO HZ-28ST Electric Bike User Manual

1. المقدمة

Thank you for choosing the TTGO HZ-28ST Electric Bike. This manual provides essential information for the safe assembly, operation, and maintenance of your e-bike. Please read this manual thoroughly before your first ride and keep it for future reference.

The TTGO HZ-28ST is designed for a smooth and powerful ride, featuring a 250W motor, a 36V 20Ah battery for extended range, and 700C*45C tires for versatile road adaptability. It includes front and rear disc brakes for effective stopping power and an LCD display for real-time ride information.

2. معلومات السلامة

⚠ WARNING: Potential Fire Risk!

Strictly follow all instructions in this manual for charging and storage of the battery to prevent fire hazards. Always wear appropriate protective equipment, such as a helmet, while riding. Ensure full compliance with all applicable local laws and regulations regarding electric bicycle use.

• Always wear a helmet and other protective gear (e.g., knee and elbow pads) when riding.
• Familiarize yourself with local traffic laws and regulations for electric bicycles and adhere to them.
• قم بإجراء فحص ما قبل الركوب قبل كل استخدام، وتحقق من الفرامل وضغط الإطارات ومستوى البطارية.
• لا تركب تحت تأثير الكحول أو المخدرات.
• Avoid riding in adverse weather conditions (heavy rain, snow, strong winds) or on slippery surfaces.
• Do not exceed the maximum weight capacity of the bike.
• Keep hands and feet away from moving parts while the bike is in operation.
• تأكد من شحن البطارية في منطقة جيدة التهوية، بعيدًا عن المواد القابلة للاشتعال.
• Do not attempt to modify the e-bike's motor, speed limit, or any other electrical components, as this can be dangerous and may void your warranty.

3. المواصفات

4. الإعداد والتجميع

Your TTGO HZ-28ST electric bike comes partially assembled. Follow these general steps for final assembly. It is recommended to have a qualified bicycle mechanic perform the final checks and adjustments.

1. فك التعبئة: أزل جميع المكونات من العبوة بعناية. احتفظ بالعبوة للنقل أو التخزين مستقبلًا.
2. تركيب المقود: قم بتثبيت المقود على جذع المقود، مع التأكد من أنه في المنتصف ومثبت بإحكام. اضبط الزاوية لركوب مريح.
3. تركيب العجلة الأمامية: Install the front wheel, ensuring the disc brake rotor is correctly aligned with the caliper. Secure the quick-release skewer or axle nuts.
4. تركيب الدواسة: Identify the left (L) and right (R) pedals. Thread the pedals into the crank arms by hand, then tighten securely with a wrench. Note that the left pedal has a reverse thread.
5. عمود المقعد والسرج: Insert the seat post into the frame and adjust the saddle height for comfortable pedaling. Secure the quick-release clamp.
6. تركيب البطارية: Ensure the battery is securely seated in its compartment. Refer to the charging section for initial battery preparation.
7. فحص ما قبل الركوب: Before your first ride, double-check all bolts, nuts, and quick releases for tightness. Verify brake functionality, tire pressure, and ensure the chain is properly seated.

Figure 1: Fully assembled TTGO HZ-28ST electric bike (Black model shown).

5. تعليمات التشغيل

5.1 تشغيل/إيقاف التشغيل

• To power on the e-bike, press and hold the power button on the LCD display until the screen illuminates.
• لإيقاف التشغيل، اضغط مع الاستمرار على زر الطاقة مرة أخرى حتى يتم إيقاف تشغيل الشاشة.

5.2 شاشة LCD

توفر شاشة LCD معلومات فورية عن رحلتك:

• مستوى البطارية: Indicates the remaining charge of your 36V 20Ah battery.
• سرعة: Shows your current riding speed.
• يتراوح: Estimates the remaining distance you can travel.
• مستوى مساعدة الدواسة: Adjust the level of motor assistance (if applicable, typically via buttons on the display unit).

Figure 2: Handlebar controls showing the LCD display, Shimano 7-speed shifter, and twist throttle.

5.3 أوضاع الركوب

• وضع مساعدة الدواسة: The motor provides assistance as you pedal. Adjust the assist level via the display controls. The 36V 20Ah battery provides 80-100km range in this mode.
• Twist Throttle Mode: Use the twist throttle on the handlebar for power without pedaling.
• الوضع اليدوي: اركب الدراجة مثل الدراجة الهوائية التقليدية بدون مساعدة المحرك.

5.4 تغيير التروس

The TTGO HZ-28ST is equipped with a Shimano 7-speed shifter. Use the shifter to change gears according to terrain and desired pedaling effort. Shift smoothly and avoid shifting under heavy load.

5.5 الكبح

The e-bike features front and rear disc brakes for reliable stopping power. Apply both brakes simultaneously and gradually for controlled deceleration. Avoid sudden, hard braking, especially at high speeds.

6. الصيانة

تضمن الصيانة المنتظمة طول عمر وتشغيل دراجتك الكهربائية بشكل آمن.

6.1 العناية بالبطارية والشحن

• الشحن: Use only the provided 42V 3A charger. Connect the charger to the battery port, then plug it into a power outlet. A full charge typically takes 6-8 hours.
• تخزين: Store the battery in a cool, dry place, away from direct sunlight and extreme temperatures. If storing for extended periods, charge the battery to 50-70% every 1-2 months.
• أمان: Always charge the battery in a well-ventilated area and monitor it during charging. Disconnect the charger once charging is complete.

Figure 3: Integrated 36V 20Ah battery, offering 80-100km range with pedal assistance and a 6-8 hour charging time.

6.2 الصيانة العامة

• الإطارات: Regularly check tire pressure (700C*45C tires) and inflate to the recommended PSI. Inspect for wear and punctures.
• الفرامل: Check brake pads for wear and replace as needed. Ensure brake levers are firm and responsive. Adjust brake cables if necessary.
• سلسلة: حافظ على نظافة السلسلة وتزييتها لضمان سلاسة تغيير السرعات ومنع التآكل.
• المثبتات: Periodically check all bolts, nuts, and screws for tightness.
• تنظيف: تنظيف الدراجة مع دamp استخدم قطعة قماش ومنظفًا معتدلًا. تجنب استخدام غسالات الضغط العالي مباشرة على المكونات الكهربائية.

7. استكشاف الأخطاء وإصلاحها

This section addresses common issues you might encounter with your TTGO HZ-28ST electric bike.

• الدراجة لا تعمل: تأكد من شحن البطارية بالكامل وتركيبها بشكل صحيح. تأكد من إحكام توصيل جميع الوصلات.
• المحرك لا يساعد: Verify the pedal assist level on the LCD display. Check if the battery has sufficient charge. Ensure the motor cable is securely connected.
• أشعر بضعف في الفرامل: Inspect brake pads for wear and replace if necessary. Check brake cable tension and adjust if loose. Ensure disc rotors are clean and free of oil.
• لا يتم تغيير التروس بسلاسة: Lubricate the chain. Check the derailleur alignment and adjust if needed.
• نطاق مخفض: Ensure the battery is fully charged. Riding in higher assist modes, against strong winds, or on hilly terrain will reduce range. Tire pressure also affects range.

For issues not covered here or if problems persist, please contact customer support.

8 نصائح المستخدم

• الحد الأقصى للسرعة: The TTGO HZ-28ST has a maximum speed of 25 km/h to comply with regulations. Attempting to remove or modify the speed limit is not recommended, as it may be illegal in your region, void your warranty, and compromise safety.
• عمر البطارية: To maximize battery lifespan, avoid fully discharging the battery regularly. Charge it after each significant ride and store it at a moderate charge level (50-70%) if not used for an extended period.
• ضغط الإطارات: Maintaining correct tire pressure for your 700C*45C tires can significantly improve ride comfort, efficiency, and range. Check it before every ride.
• التفتيشات الدورية: A quick visual inspection of your bike before each ride can prevent many potential issues. Check brakes, tires, and ensure all quick releases are secure.

9. الضمان والدعم

For warranty information, technical support, or service inquiries regarding your TTGO HZ-28ST Electric Bike, please contact the seller or manufacturer directly. Keep your proof of purchase for any warranty claims.