Genuine SINOTRUK 1st-2nd Gear Shift Fork Shaft Assembly AZ2203220010 – Heavy Duty Transmission Component for HOWO Truck
Descrição técnica:
Key Specifications
- OEM Number: AZ2203220010 (Direct replacement part)
- Material: 40Cr alloy steel with induction hardening
- Surface Hardness: HRC 52-58 | Core Hardness: HRC 28-35
- Precision Tolerance: ±0.02mm (ISO 2768-f)
Compatibilidade
- Fits SINOTRUK HW19710/HW19712 transmissions
- Matches HOWO A7/A5 series with 10-speed gearbox
Performance Features
- Durabilidade: 300,000+ shift cycles under 250Nm torque
- Optimized Design: CNC-machined splines reduce gear clash
- Garantia de qualidade: 100% magnetic flux leakage testing
1. TRATAMOS CADA CLIENTE COMO NOSSO AMIGO, FICAR NO PRINCÍPIO: VANTAGEM E BENEFÍCIO MÚTUO ;
2. UMA VARIEDADE DE ESCOLHA DE PRODUTOS: QUALIDADE, MARCA, EMBALAGEM;
3. RESPONDEREMOS SUA INQUÉRITO EM 24 HORAS.
4.Fornecedor de peças SINOTRUCK de desempenho profissional
5. ESTAMOS A SERVIÇO 24/24 HORAS DO DIA DE TRABALHO.
6. BUNDA: OFERECEREMOS A VOCÊ O MELHOR SERVIÇO PÓS-VENDA.
Tools & Materials Preparation
- Required tools:
- SINOTRUK special tool S399171ZF201 (shift fork installation tool)
- 15mm/17mm dual-head torque wrench (50-180Nm range)
- Dial indicator with magnetic base (0.01mm precision)
- Consumables:
- Molykote G-5002 assembly paste (50g tube)
- 80W-90 GL-5 gear oil (15L minimum)
Step-by-Step Installation Process
1️⃣ Disassembly Precautions
- Drain transmission fluid completely through 24mm hex drain plug
- Mark original shim positions with alignment punch (every 120°)
- Remove circlips using dedicated pliers (non-reusable component)
2️⃣ Shaft Assembly Installation
- Apply assembly paste to splined surfaces (0.05-0.1mm thickness)
- Align shift fork with synchro sleeve using guide pin ST-22A:
- Red alignment mark → towards transmission front
- Torque sequence:
- M12 mounting bolts: 80Nm → 110Nm (cross pattern)
- Locknut: 150Nm + 30° angle tightening
3️⃣ Post-Installation Verification
| Test Parameter |
Especificação |
Measurement Method |
| Shift effort |
≤35N (cold) |
Spring scale test |
| Axial play |
0.08-0.15milímetros |
Dial indicator |
| Gear engagement |
<0.5s transition |
Road test |
