6,A級保養(yǎng)幻燈片

A級：

4000小時項目1

，

潤滑油位、油壓和有無泄漏2

，

檢查冷卻水系統(tǒng)水壓和有無泄漏3

，

檢查傳動帶松緊和磨損情況4

，

清潔進氣過濾器、水泵進口過濾器5

，

清潔冷卻塔水池6

，

更換二級汽缸密封填料7

，

調(diào)整1

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