1. บทนำ
This manual provides essential information for the installation, operation, and maintenance of your Terrafirma All Terrain Shock & Coil Spring Suspension Kit, Medium Load, model TF202. This kit is designed to enhance the off-road capability and load-carrying capacity of compatible vehicles, providing approximately 2 inches (50mm) of lift.
The TF202 kit is suitable for Defender 90, Discovery 1, and Range Rover Classic models. It is specifically engineered for vehicles carrying up to 100kg of additional equipment at the front (e.g., winch and bumper) and up to 200kg of equipment or load at the rear.
2. สินค้าหมดview และส่วนประกอบ
The Terrafirma TF202 All Terrain Suspension Kit includes the following components:
- TF018 Front Springs: Designed for the front axle, providing lift and supporting medium loads.
- TF116 Front Shocks: All-terrain shock absorbers for the front axle, complementing the TF018 springs.
- TF023V Rear Springs: Designed for the rear axle, providing lift and supporting medium to heavy loads.
- TF117 Rear Shocks: All-terrain shock absorbers for the rear axle, complementing the TF023V springs.
- ฮาร์ดแวร์การติดตั้ง: Necessary components for securing the shocks and springs.

รูปที่ 1: เกินview of the Terrafirma TF202 All Terrain Shock & Coil Spring Suspension Kit, showing four coil springs and four shock absorbers.
3. การตั้งค่าและการติดตั้ง
Installation of a suspension kit requires specialized tools and expertise. It is highly recommended that this kit be installed by a qualified professional mechanic. Improper installation can lead to vehicle instability, component failure, and serious injury.
3.1 ข้อควรระวังเพื่อความปลอดภัย
- ควรใช้อุปกรณ์ป้องกันส่วนบุคคล (PPE) ที่เหมาะสมเสมอ รวมถึงแว่นตานิรภัยและถุงมือ
- ตรวจสอบให้แน่ใจว่ารถได้รับการรองรับอย่างมั่นคงบนขาตั้งยกรถบนพื้นราบก่อนเริ่มงานใดๆ ห้ามใช้แม่แรงเพียงอย่างเดียวในการยกรถเด็ดขาด
- Disconnect the battery before working on any electrical components, though not typically required for suspension.
- โปรดดูคู่มือการบริการของรถของคุณสำหรับข้อมูลจำเพาะและขั้นตอนแรงบิดที่เฉพาะเจาะจง
- Exercise caution when handling springs, as they are under compression and can cause injury if released improperly.
3.2 General Installation Steps (Consult Professional)
- เตรียมยานพาหนะ: Park the vehicle on a level surface, engage the parking brake, and block the wheels. Loosen lug nuts on all wheels.
- รถยก: Safely lift the vehicle and support it with jack stands under the frame. Remove the wheels.
- ลบส่วนประกอบเก่า: Carefully remove the original shock absorbers and coil springs. This often involves disconnecting sway bar links, brake lines (if necessary), and other suspension components to allow for sufficient axle droop. Use spring compressors if required for safe removal of coil springs.
- Install New Springs: Install the new Terrafirma coil springs (TF018 front, TF023V rear) into their respective positions. Ensure they are seated correctly in the spring perches.
- ติดตั้งโช๊คอัพใหม่: Install the new Terrafirma shock absorbers (TF116 front, TF117 rear). Secure them using the provided hardware and torque to vehicle manufacturer specifications.
- ประกอบกลับเข้าที่: Reconnect any disconnected suspension components, ensuring all bolts are tightened to specification.
- ส่วนล่างของรถ: ลดรถลงสู่พื้นอย่างระมัดระวัง
- การตรวจสอบขั้นสุดท้าย: Torque lug nuts to specification. Perform a visual inspection to ensure all components are correctly installed and clear of obstructions.
- การตั้งศูนย์ล้อ: After installing a lift kit, a professional wheel alignment is mandatory to ensure proper steering, tire wear, and vehicle handling.

รูปที่ 2: ภาพระยะใกล้ view of the Terrafirma TF202 suspension kit, highlighting the coil springs and shock absorbers, likely showing the front components.
4. ข้อควรพิจารณาในการดำเนินงาน
After installing the Terrafirma TF202 suspension kit, your vehicle's driving characteristics will change. It is important to be aware of these changes for safe operation.
- Increased Ride Height: The 2-inch lift will raise the vehicle's center of gravity. Exercise caution when cornering and braking, as handling may feel different.
- ประสิทธิภาพการขับขี่ออฟโรด: The kit is designed for all-terrain use, improving ground clearance and articulation. However, always drive within the limits of your vehicle and conditions.
- ความจุในการรับน้ำหนัก: The "Medium Load" designation means the suspension is optimized for vehicles with up to 100kg extra weight at the front and 200kg at the rear. Exceeding these limits can compromise performance and safety.
- การเบรก: Increased ride height can sometimes affect braking dynamics. Ensure your brakes are in good working order and adjust your driving style accordingly.
5. การบำรุงรักษา
Regular inspection and maintenance are crucial for the longevity and safe operation of your Terrafirma suspension kit.
- การตรวจสอบเป็นระยะ: Every 5,000 miles or 6 months, inspect all suspension components for wear, damage, or loose fasteners. Check shock absorbers for leaks and coil springs for cracks or deformation.
- การตรวจสอบแรงบิด: Re-check the torque on all suspension mounting bolts after the first 500 miles of operation and periodically thereafter.
- การทำความสะอาด: Keep suspension components clean, especially after off-road use, to prevent corrosion and premature wear.
- การจัดตำแหน่ง: Have your wheel alignment checked annually or after any significant impact or suspension work.
6 การแก้ไขปัญหา
If you experience any issues with your Terrafirma suspension kit, consider the following common troubleshooting steps. For complex issues, consult a professional mechanic.
- เสียงผิดปกติ (เสียงดังครอกๆ/เสียงเอี๊ยดอ๊าด):
- Check all mounting bolts for proper torque.
- Inspect bushings for wear or damage.
- Ensure springs are seated correctly in their perches.
- ระดับความสูงของรถไม่เท่ากัน:
- Verify correct spring installation (front vs. rear, left vs. right if applicable).
- Check for damaged or fatigued springs.
- Poor Handling/Excessive Body Roll:
- Ensure shock absorbers are functioning correctly (no leaks, proper dampNS).
- Confirm correct spring rates for vehicle load.
- Check wheel alignment.
7. ข้อมูลจำเพาะ
| คุณสมบัติ | ข้อมูลจำเพาะ |
|---|---|
| หมายเลขรุ่น | ทีเอฟ202 |
| ยี่ห้อ | Terrafirma (Proper Spec) |
| ประเภทชุด | All Terrain Shock & Coil Spring Suspension Kit |
| อัตราการรับน้ำหนัก | Medium Load (up to 100kg front, 200kg rear additional equipment) |
| ความสูงในการยก | ประมาณ 2 นิ้ว (50 มม.) |
| Front Springs | ทีเอฟ018 |
| โช๊คหน้า | ทีเอฟ116 |
| Rear Springs | TF023V |
| โช๊คหลัง | ทีเอฟ117 |
| ยานพาหนะที่รองรับ | Defender 90, Discovery 1, Range Rover Classic |
| ส่วนประกอบที่รวมอยู่ | 4x Coil Springs, 4x Shock Absorbers, Installation Hardware |
8. การรับประกันและการสนับสนุน
The Terrafirma TF202 All Terrain Shock & Coil Spring Suspension Kit comes with a รับประกัน 1 ปี from the date of purchase. This warranty covers manufacturing defects and material flaws under normal use and service.
For warranty claims, technical support, or further assistance, please contact your authorized Terrafirma dealer or the point of purchase. Ensure you have your proof of purchase and product model number (TF202) available.
Please note that improper installation, misuse, neglect, or unauthorized modifications may void the product warranty.





