安装正时链、曲轴链轮和凸轮轴链轮，使正时标记对齐。

If chain is not satisfactory, remove camshaft sprocket attaching bolt and remove timing chain with crankshaft and camshaft sprockets.

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在链轮轴两侧分别安装结构相同的传动箱和栽植臂；

Transmission cases of the same structure and planting arms of the same structure are arranged on the two sides of a chain wheel shaft respectively;

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在链轮轴两侧分别安装结构相同的传动箱和栽植臂；

Transmission cases of the same structure and planting arms of the same structure are arranged on the two sides of a chain wheel shaft respectively;

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