QA1 TD902
QA1 TD902 Double Adjustable Stocker Shock Instruction Manual
نموذج: TD902
مقدمة
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your QA1 TD902 Double Adjustable Stocker Shock. This shock absorber is designed for specific automotive applications, including the Chevrolet Bel Air, to enhance vehicle performance and handling. Please read this manual thoroughly before proceeding with installation or adjustments to ensure proper function and safety.
معلومات هامة حول السلامة
تحذير: Improper installation or adjustment of suspension components can lead to serious injury or death. Always wear appropriate personal protective equipment, including eye protection. If you are not confident in your ability to safely install or adjust this product, seek assistance from a qualified professional.
- تأكد من تثبيت السيارة بشكل آمن على حوامل الرفع أو الرافعة قبل العمل أسفلها.
- Never work on a vehicle supported only by a jack.
- راجع دليل خدمة سيارتك للتعرف على مواصفات عزم الدوران والإجراءات المحددة.
- حافظ على يديك وملابسك خالية من الأجزاء المتحركة.
المنتج انتهىview
The QA1 TD902 Double Adjustable Stocker Shock is engineered for precise control and durability. Key features include:
- Double adjustable design for independent compression and rebound tuning.
- Lightweight aluminum body for reduced unsprung weight.
- 5/8" centerless ground, hard chrome plated, solid piston rod for strength and smooth operation.
- Precision machined aluminum piston with PTFE piston band.
- Deflective disc valving for consistent performance.
- Polyurethane or bearing mounting hardware included (specific to application).

Figure 1: QA1 TD902 Double Adjustable Stocker Shock. This image shows the complete shock absorber assembly with its polished aluminum body and adjustment knobs.
Internal Components and Features

Figure 2: Detailed diagram illustrating the internal components of the QA1 TD902 shock absorber. This includes the piston rod, aluminum body, deflective disc valving, and adjustment mechanisms, highlighting features like the three-step sealing system and precision machined piston.
تعليمات التثبيت
- تجهيز السيارة: Safely lift and support the vehicle using jack stands or a hydraulic lift. Ensure the suspension is unloaded.
- Remove Old Shocks: Locate and remove the existing shock absorbers. This typically involves unbolting the upper and lower mounting points. Retain any reusable hardware if applicable.
- فحص نقاط التثبيت: Clean and inspect the vehicle's shock mounting points for any damage, corrosion, or wear. Repair as necessary.
- Install New Shocks:
- Install the provided polyurethane bushings or bearing mounting hardware onto the QA1 TD902 shock.
- Position the new shock absorber into the upper mounting point and secure it with the appropriate hardware. Do not fully tighten at this stage.
- Extend or compress the shock as needed to align with the lower mounting point. Secure with hardware.
- مثبتات عزم الدوران: With the vehicle's weight on the suspension (or at ride height), tighten all mounting bolts to the vehicle manufacturer's specified torque values. Refer to your vehicle's service manual.
- التحقق النهائي: Double-check all fasteners for proper torque. Ensure there is no interference with other suspension or vehicle components.
ملحوظة: For coil-over applications, specific coil-over hardware will be included and should be installed according to the separate coil-over instructions.
التعديل والتشغيل
The QA1 TD902 is a double adjustable shock, allowing independent control over compression (bump) and rebound (extension) damping. This enables fine-tuning of your vehicle's ride and handling characteristics.
إجراء التعديل:
- Locate Adjusters: The shock features two adjustment knobs, typically located at the bottom of the shock body. One knob controls compression, and the other controls rebound. Refer to the markings (e.g., 'C' for Compression, 'R' for Rebound) on the shock body.
- الإعداد الأولي: It is recommended to start with both compression and rebound adjusters set to a neutral or manufacturer-recommended baseline. This is often achieved by turning the knob fully counter-clockwise until it stops (zero clicks), then turning it clockwise a specified number of clicks. Consult QA1 documentation for specific baseline settings if available.
- Adjusting Compression: Turning the compression knob clockwise increases the damping force during shock compression (when the wheel moves upwards). This can help control body roll and dive.
- Adjusting Rebound: Turning the rebound knob clockwise increases the damping force during shock extension (when the wheel moves downwards). This helps control how quickly the wheel returns to its original position after hitting a bump, improving tire contact with the road.
- التعديلات الإضافية: Make small adjustments (1-2 clicks at a time) and test the vehicle's behavior. Note your settings for future reference.
- التماثل: Ensure that adjustments are made symmetrically across the vehicle (e.g., both front shocks, or both rear shocks) unless specific tuning requires otherwise.
نصيحة: Keep a log of your adjustment settings and how they affect vehicle performance to find your optimal setup for different driving conditions.
صيانة
Regular maintenance helps ensure the longevity and optimal performance of your QA1 TD902 shock absorbers.
- التفتيش الدوري: Periodically inspect the shocks for any signs of leaks, damage to the body or piston rod, or worn bushings.
- نظافة: Keep the shock bodies and piston rods clean, especially after driving in dirty or corrosive conditions. Use mild soap and water, then rinse thoroughly. Avoid harsh chemicals that could damage seals.
- فحص الأجهزة: Verify that all mounting hardware remains tight and secure. Re-torque fasteners to specification if necessary.
- Piston Rod Protection: Avoid scratching or damaging the piston rod surface, as this can lead to seal failure and fluid leaks.
- البطانات: Inspect polyurethane bushings for cracking or excessive wear. Replace them if they show signs of degradation.
استكشاف الأخطاء وإصلاحها
If you experience issues with your QA1 TD902 shock absorbers, consult the following common troubleshooting steps:
| الأعراض | السبب المحتمل | حل |
|---|---|---|
| ارتداد مفرط / ضعف التحكم في القيادة | غير صحيح دamping settings (too soft), worn shock, insufficient spring rate. | Increase compression and/or rebound damping. Inspect for leaks or damage. Consult a suspension specialist. |
| Harsh Ride/Stiff Suspension | غير صحيح دamping settings (too stiff), incorrect spring rate. | Decrease compression and/or rebound damping. Ensure adjustments are symmetrical. |
| تسرب السوائل من هيكل ممتص الصدمات | Damaged seal, bent piston rod, internal component failure. | A leaking shock requires replacement or professional rebuilding. Contact QA1 support. |
| Clunking or Rattling Noise | Loose mounting hardware, worn bushings, internal shock damage. | Check and re-torque all mounting bolts. Inspect bushings for wear. If noise persists, inspect the shock for internal damage. |
If these steps do not resolve the issue, contact QA1 technical support for further assistance.
تحديد
| ماركة | ضمان الجودة 1 |
| رقم الموديل | TD902 |
| موقف جزء السيارات | Center (Rear Shock Absorber) |
| أسلوب | مزدوج قابل للتعديل |
| نوع خدمة المركبة | Car, Truck (Fits Chevrolet Bel Air) |
| النهاية الخارجية | الألومنيوم المصقول |
| مادة | الألومنيوم |
| رقم القطعة الأصلية | TD902 |
| رمز المنتج الموحد | 806990060587 |
| وزن العنصر | 5 رطل |
| أبعاد المنتج | 19 × 3.75 × 3.5 بوصة |
الضمان والدعم
QA1 products are manufactured to high standards. For specific warranty information regarding your TD902 Double Adjustable Stocker Shock, please refer to the official QA1 webالموقع الإلكتروني أو تواصل مع خدمة العملاء مباشرةً. احتفظ بإثبات الشراء لطلبات الضمان.
For technical assistance, installation questions, or troubleshooting beyond the scope of this manual, please contact QA1 customer support:
- مسؤول ضمان الجودة 1 Webموقع: www.qa1.net
- خدمة العملاء: ارجع إلى website for current contact information (phone, email).
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