3508B, 3512B, and 3516B High Displacement Generator Sets Caterpillar


Air Shutoff Damper - Remove/Check

Usage:

3516B 1NW


插圖 1g01286554
典型的空氣關斷裝置 (後視圖)
(1) 空氣關斷閘門
(2) 減振器組件

當引擎在運轉時,而空氣關斷閘門在 閂上的位置時,空氣關斷裝置上的減振器會減少空氣關斷閘門的振動。 要拆掉減振器組件的零件,才能確保其適當性能。



插圖 2g01286567
減振器組件
(3) 螺塞
(4) 密封圈
(5) 殼體
(6) 彈簧
(7) 柱塞

  1. 當柱塞被拆掉時,不可以從空氣關斷裝置鬆開或拆下減振器外殼體。 如欲不鬆開或拆下減振器就拆下柱塞,可以使用下列工具來鬆開螺塞: 6.35 mm (0.25 inch) L 形扳手起子 和 開口扳手 .

  2. 檢查密封圈是否損壞或磨損。 如有必要,請更換密封圈。

  3. 檢查減振器的內部零件是否磨損或損壞。 利用 138-8440 組件清潔劑 清潔組件。


    插圖 3g01286606
    減振器柱塞

  4. 從彈簧拆下柱塞。 目測檢查柱塞暴露的一端是否有灰塵、髒污、損壞與磨損的跡象。 若距離 "A" 小於 18.3 mm (0.72 inch),或目測檢查發現有泥土、髒污、損壞或柱塞活動端有磨損,請更換柱塞。 將乾淨、未受損的柱塞的尖細端插入彈簧內。 將彈簧的開口端裝入柱塞內。 將 9S-3263 螺紋防鬆劑 或 9S-4030 螺紋防鬆劑 塗在螺塞的螺紋上。 將組件鎖到減振器外殼體上。 螺紋防鬆劑要在使用空氣關斷裝置之前至少 1 小時塗上。

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