3500 Spark Ignited Engines Caterpillar


Water Pump

Usage:

G3508 2JF



图 1g01991398

(2) 环组件

(3) 水泵密封总成

(1) 不要润滑唇形密封的密封唇。

(4) 用甘油或经认可的等效物润滑 O 形密封圈孔。

(5) 将叶轮压装到轴上之前,在轴上涂一薄层清洁的机油进行润滑。 轴端必须与叶轮表面平齐,偏差在 0.15 mm (0.006 in) 以内。

(B) 叶轮中新轴孔孔径 ... 25.342 ± 0.013 mm (0.9977 ± 0.0005 in)

(C) 止推垫圈的槽宽 ... 8.75 ± 0.05 mm (0.344 ± 0.002 in)

(D) 新止推垫圈的厚度 ... 8.5 mm (0.33 in)

(E) 叶轮和盖的间隙 ... 0.5000 ± 0.4925 mm (0.01968 ± 0.01939 in)

(6) 拔梢锁紧双头螺柱的扭矩 ... 35 ± 5 N·m (26 ± 4 lb ft)

(7) 全螺纹螺母的扭矩 ... 27 ± 4 N·m (239 ± 35 lb in)

唇形密封在 138 kPa (20 psi) 空气压力下每分钟的最小泄漏量低于 24 cc (1.5 cu in)。

水泵密封组件在 138 kPa20 (psi) 空气压力下每分钟的最小泄漏量低于 20 cc (1.2 cu in)。

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