120H and 135H Motor Graders Caterpillar


Parking Brake - Drain

Usage:

120H 124

------ 警告! ------

機器突然移動或突然釋放高壓空氣,可能會對機器上或機器附近的人員造成傷害。 為避免造成人員傷害,請在測試及調整空氣系統和煞車之前,執行以下程序。



注意事項

在檢驗、保養、測試、調整及修理產品時,請小心確保油液有容器盛裝。 在打開任何艙室或拆卸任何含有用液的組件前,應準備好盛裝用液的適當容器。


  1. 將機器移到平坦光滑的水平位置。 遠離操作中的機器和人員。 將所有機具降至地面。

  2. 在前輪軸中安裝車輪傾斜鎖定螺栓。 裝上機架固定鎖插銷。 啟用駐車煞車並關閉引擎。

  3. 只允許機器上有一名駕駛員。 確保其他所有人員遠離機器。 另外,所有人員都應位於駕駛員能夠看到的地方。

  4. 將擋塊放在車輪前方與後方。


插圖 1g00950101
(1) 駐車煞車
(2) 外塞

  1. 取下外塞 (2) 和外塞 (2) 後方的內塞 (未顯示)。

  2. 起動引擎。 確定空氣系統壓力達到 965 ± 34 kPa (140 ± 5 psi)


    插圖 2g00950104
    (3) 變速箱控制 (操縱桿)

  3. 確定行駛煞車控制 (踏板) 已壓下。 將操縱桿 (3) 從 PARKING BRAKE ENGAGED (啟用駐車煞車) 位置移至 NEUTRAL (空檔) 位置,然後再移回 PARKING BRAKE ENGAGED (啟用駐車煞車) 位置。

  4. 繼續將操縱桿 (3) 從 PARKING BRAKE ENGAGED (啟用駐車煞車) 位置移至 NEUTRAL (空檔) 位置,然後再移回 PARKING BRAKE ENGAGED (啟用駐車煞車) 位置。 這樣可排出駐車煞車 (1) 的水分。

  5. 停止引擎,讓空氣從系統中逸出。 更換內塞和外塞 (2)。

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