3524B and C175 Engines for Off-Highway Truck/Tractors Caterpillar


Auxiliary Water Pump

Usage:

797 5YW



图 1g01371910


注意

操作不当会损坏陶瓷密封件。 如果轴在安装过程中受到碰撞,泵内的陶瓷密封件可能会出现裂缝并导致冷却液从排水孔中漏出。 安装时,请小心不要硬碰轴, 请将泵完全插入。 另外,在安装时请不要让轴支撑泵的重量。


(1) 滚子轴承

轴承的外径 ... 80.962 毫米 (3.1875 英寸)
壳体上轴承的孔径 ... 81.013 ± 0.025 毫米 (3.1895 ± 0.0010 英寸)
轴承的内径 ... 33.338 毫米 (1.3125 英寸)
轴承上轴的外径 ... 33.325 ± 0.025 毫米 (1.3120 ± 0.0010 英寸)

(2) 锁紧螺母

扭矩 ... 300 牛米 (221 磅英尺)
锁紧螺母上调定螺钉的扭矩(未显示) ... 4 ± 1 牛米 (35 ± 9 磅英寸)

(3) 油封

请在油封拆包后 2 分钟内将其装入轴承套。 安装油封时无需润滑。 切勿润滑密封唇口。 将油封的皮碗朝向轴的花键。 使用正确的安装工具匀力且缓慢地将密封件压入壳体。

(4) 陶瓷密封圈和橡胶密封件

使用 207-1600 橡胶润滑剂 来润滑陶瓷密封圈和橡胶密封件的外径。 将陶瓷密封圈的抛光面朝向密封总成 (5) 。 借助安装工具并用手按压,以将陶瓷密封圈和橡胶密封件安放到轴承套内。

(5) 密封总成

从密封总成上拆下弹簧 (6) ,以便进行安装。 使用 207-1600 橡胶润滑剂 来润滑密封总成的内径。 借助密封件安装工具并用手按压,以将密封总成装到轴上,使密封总成的表面与陶瓷密封圈及橡胶密封件的表面轻轻接触。 将弹簧安装回密封总成。

(6) 弹簧

注: 密封件安装工具属于密封件更换总成的一部分。

(7) 泵壳法兰到叶轮末端的距离 ... 14.28 毫米 (0.562 英寸)

(8) 叶轮

使用清洁的发动机机油润滑轴。 将轴放在可承压的夹具上,然后将叶轮压在轴上,使叶轮突出端与轴末端齐平。

(9) O 形密封圈

使用甘油润滑 O 形密封圈 (9) 的孔。

(10) 螺塞

扭矩 ... 8 ± 1 牛米 (71 ± 9 磅英寸)

(11) O 形密封圈

使用甘油润滑 O 形密封圈 (11) 的孔。

(12) O 形密封圈

使用甘油润滑 O 形密封圈 (12) 的孔。

空气压力为 138 千帕 (20 磅/平方英寸) 时,水泵每分钟的最大泄漏量 ... 20 立方厘米 (1.22 立方英寸)

空气压力为 138 千帕 (20 磅/平方英寸) 时,机油泵每分钟的最大泄漏量 ... 24 立方厘米 (1.46 立方英寸)

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