1、解體及初檢

1. Disassembly and initial inspection

這是變速箱維修中第一道步驟，將變速箱全部徹底解體，包括內部油泵、離合器、活塞、行星架、閥體(滑閥箱)、差速器、變扭器等，所有的解體都嚴格按照技術規范和依靠大量的專用設備和工具進行，否則會引起零件損壞。解體完畢后按照標準技術數據對所有的零件進行初步檢測并根據變速箱的實際故障查出故障點。

This is the first step in gearbox maintenance, which involves completely disassembling the gearbox, including the internal oil pump, clutch, piston, planetary carrier, valve body (slide valve box), differential, torque converter, etc. All disassembly must strictly follow technical specifications and rely on a large number of specialized equipment and tools, otherwise it may cause damage to the parts. After disassembly, conduct a preliminary inspection of all parts according to standard technical data and identify the fault point based on the actual fault of the gearbox.

2、零件清洗及檢測

2. Parts cleaning and inspection

零件清洗在維修過程中是一個非常重要的工序，清潔度是維修質量保證的關鍵因素，任何細小的雜質都會對變速箱的工作品質產生巨大影響。零件清洗完畢后，送入裝配工位，按照標準對所有的零件進行再次檢測，確定所有需要維修材料，準備組裝。

Part cleaning is a very important process in the maintenance process, and cleanliness is a key factor in ensuring maintenance quality. Any small impurities can have a huge impact on the working quality of the gearbox. After the parts are cleaned, they are sent to the assembly station and all parts are retested according to the standards to determine all materials that need to be repaired and ready for assembly.

3、閥體清洗、檢修

3. Valve body cleaning and maintenance

此過程和上一步驟同時進行，閥體(滑閥箱)是自動變速箱的核心元件，鑄造精密，需要很專業的人員才可以操作此步驟。作為專業維修需要將閥體全部解體，解體后徹底清洗，然后檢查所有滑閥及閥體的磨損根據實際情況維修。組裝完畢后還要與標準數據對比嚴格進行壓力測試，只有符合標準數據范圍內的閥體才可以進入到組裝工位。

This process is carried out simultaneously with the previous step. The valve body (slide valve box) is the core component of the automatic transmission, with precision casting, and requires very professional personnel to operate this step. As a professional maintenance, it is necessary to disassemble all valve bodies, thoroughly clean them after disassembly, and then inspect all slide valves and valve bodies for wear and repair according to the actual situation. After assembly, strict pressure testing should be carried out by comparing with standard data. Only valve bodies that meet the standard data range can enter the assembly station.

4、小總成組裝

4. Assembly of small assemblies

小總成組裝是對變速箱維修過程中內部組件的再檢和調整，為總成總成裝配的前一道工序。

Small assembly is the re inspection and adjustment of internal components during the maintenance process of the gearbox, which is the previous process of assembly of the assembly.

5、總成組裝

5. Assembly

總成組裝是裝配最后一道工序，需要在特殊的工作環境中完成。所有組件的位置、間隙、預緊力等都必須嚴格按照技術規范進行操作。總成裝配完畢后還要進行靜態壓力測試，在達到技術標準后才可以進入下一道工序。

Assembly is the final process of assembly, which needs to be completed in a special working environment. All components must be operated strictly in accordance with technical specifications, including their positions, clearances, and preloading forces. After the assembly is completed, a static pressure test is also required, and the next process can only proceed after meeting the technical standards.

6、總成動態測試

6. Assembly dynamic testing

總成動態測試是通過測試臺模擬汽車的工作對變速箱進行動態測試。

Assembly dynamic testing is a dynamic testing of the gearbox by simulating the operation of a car on a test bench.

變速箱故障診斷分析方法

Diagnostic analysis method for gearbox faults