C175-16 Marine Engines Caterpillar


Coolant Sample (Level 1) - Obtain

Usage:

C175-16 M6A
附註如果冷卻系統加注了 Cat ELC(長效冷卻液),則可以選擇是否採集用於 1 級分析的冷卻液樣本。 以 Cat ELC 充填的冷卻系統必須在推薦的週期時採取冷卻液樣本 (Level 2)。

附註如果冷卻系統加注了 Cat ELC 以外的其他冷卻液,則應該採集用於 1 級分析的冷卻液樣本。 其他冷卻液包括下列類型的冷卻液:

  • 滿足 Caterpillar 引擎冷卻液技術規格 -1 (Caterpillar EC-1) 的市售長效冷卻液

  • Cat 柴油引擎防凍劑/冷卻液

  • 市售重載冷卻液/防凍劑

表1
建議週期 
冷卻液類型  1 級  2 級 
Cat DEAC  每 250 工時(1)   每年(1)(2)  
Cat 長效期冷卻液  可選(2)  每年(2) 
(1) 此週期為所有使用傳統重級型冷卻液/防凍劑的冷卻液取樣推薦週期。 此週期亦可做為以符合 Cat EC-1 技術規格的市售冷卻液為引擎冷卻液者之冷卻液取樣推薦週期。
(2) 若懷疑或發現有問題,應更早執行 2 級冷卻液分析。


注意事項

隨時以指定的提示符號抽樣油料,並利用個別的指定提示符號抽樣冷卻液。 在兩種類型的樣本中採用相同的泵可能會影響已排除的樣本。 此污染會導致代理商和用戶進行錯誤的分析和不正確的解釋


附註1 級分析的結果可能表明有必要進行 2 級分析。

儘量在接近建議取樣週期的時間獲取冷卻液樣本。 為獲得最佳的 S·O·S 分析效果,必須建立前後一致的資料趨勢。 為了建立相關的歷史資料,要按均勻的時間間隔進行一致的取樣。 可從 Cat 代理商處獲得取樣用品。

為確保冷卻液正確取樣,請遵循以下準則:

  • 開始取樣前,在取樣瓶標簽上填寫相關資訊。

  • 將未用過的取樣瓶保存在塑料袋中。

  • 從冷卻液取樣口直接採集冷卻液樣本。 您不應從其他位置取樣。

  • 做好取樣準備之後,再取下空取樣瓶的瓶蓋。

  • 為避免樣本被污染,取樣後應立即將樣本裝入郵用卷筒中。

  • 切勿從膨脹瓶中取樣。

  • 切勿從系統的排放口取樣。

提交樣本用於 1 級分析。

冷卻液分析相關資訊請參閱本操作保養手冊, "推薦用液"或洽詢 Cat 代理商。

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