C13, C15, and C18 Generator Set Engines Caterpillar


Piston and Rings

Usage:

C15 AR2



图 1g01890513

请参阅再使用和修补指南, "活塞的目视检查"和再使用和修补指南, "活塞销的检查和测量步骤"。

注: 在将其组装进缸体之前,用清洁的发动机机油对整个活塞进行 360 润滑。

顶活塞环(1)

安装活塞环时使带有 "UP-1" 标记的一侧朝向活塞顶部。 紫色条朝向顶活塞环末端开口的右侧。

新顶活塞环的厚度 ... 3.845 mm (0.1514 in)

145 mm (5.7 in) 的缸套孔中顶活塞环两端之间的间隙 ... 0.40 ± 0.10 mm (0.016 ± 0.004 in)

缸套孔每增加 0.030 mm (0.0012 in,)顶活塞环两端之间间隙增加的量 ... 0.08 mm (0.003 in)

中间活塞环(2)

安装活塞环时使带有 "UP-2" 标记的一侧朝向活塞顶部。 色条朝向中间活塞环末端开口的右侧。

新中间活塞环的厚度 ... 2.94 mm (0.116 in)

145 mm (5.7 in) 的缸套孔中中间活塞环两端之间的间隙 ... 0.600 ± 0.125 mm (0.0236 ± 0.0049 in)

缸套孔每增加 0.030 mm (0.0012 in,中间)活塞环两端之间间隙增加的量 ... 0.08 mm (0.003 in)

活塞控油环(3)

组装时,控油环的弹簧端应与环末端开口成180 度。 从环末端开口处必须能够看见活塞控油环的绿色部分。

新活塞控油环的厚度 ... 2.980 ± 0.010 mm (0.1173 ± 0.0004 in)

新活塞上的活塞控油环槽宽 ... 3.020 ± 0.010 mm (0.1189 ± 0.0004 in)

槽与新活塞控油环之间的间隙 ... 0.04 mm (0.002 in)

145 mm (5.7 in) 的缸套孔中活塞控油环两端之间的间隙 ... 0.55 ± 0.15 mm (0.022 ± 0.006 in)

缸套孔每增加 0.030 mm (0.0012 in,)活塞控油环两端之间间隙增加的量 ... 0.08 mm (0.003 in)

注: 活塞环安装完成之后,旋转活塞环使各端隙之间成 120 度。

活塞销(4)

注: 在您将活塞销插入活塞体组件和连杆中之前,先用清洁的发动机机油彻底润滑活塞销。

新活塞销直径 ... 59.975 ± 0.005 mm (2.3612 ± 0.0002 in)

新活塞销长度 ... 89.80 ± 0.15 mm (3.535 ± 0.006 in)

活塞体中的活塞销孔径 ... 60.0925 ± 0.0075 mm (2.36584 ± 0.00030 in)

活塞销与活塞孔之间的间隙 ... 0.033 to 0.046 mm (0.0013 to 0.0018 in)

销固定器(5)

新销固定器宽度 ... 1.93 to 2.00 mm (0.076 to 0.079 in)

新活塞上的销固定器槽宽 ... 2.25 ± 0.10 mm (0.089 ± 0.004 in)

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