C13, C15, and C18 Tier 4 Final Engines Caterpillar


Piston and Rings

Usage:

826K 232

钢制活塞



图 1g01375031
(6) 连杆

(A) 高活塞的高度 ... 105.00 ± 0.10 mm (4.134 ± 0.004 in)

注: 组装前,使用清洁的发动机机油 360 度润滑整个活塞体组件 (1) 的部位 (A)。

顶活塞环(2)

注: 安装顶部活塞环时使标有 "UP-1" 的一侧朝向活塞顶部。 蓝色色条朝向环端隙的右侧。

新顶活塞环的厚度 ... 3.93 mm (0.155 in)

130 mm (5.1 in) 的缸套孔中的活塞环的两端之间的间隙 ... 0.35 ± 0.05 mm (0.014 ± 0.002 in)

缸套孔每增加 0.03 mm (0.001 in) 活塞环两端之间间隙增加的量 ... 0.09 mm (0.004 in)

中间活塞环(3)

注: 安装中间活塞环时使标有 "UP-2" 的一侧朝向活塞顶部。 色条朝向活塞环开口间隙的右侧。

新中间活塞环的厚度 ... 2.980 ± 0.010 mm (0.1173 ± 0.0004 in)

130 mm (5.1 in) 的缸套孔中的活塞环的两端之间的间隙 ... 0.7 ± 0.1 mm (0.028± 0.004 in)

缸套孔每增加 0.03 mm (0.001 in) 活塞环两端之间间隙增加的量 ... 0.09 mm (0.004 in)

活塞控油环 (4)

注: 安装控油环后,控油环末端应和环开口间隙相差180度。 绿色色条可以朝向环端隙的左侧或右侧。

新控油活塞环的厚度 ... 3.980 ± 0.010 mm (0.1567 ± 0.0004 in)

130 mm (5.1 in) 的缸套孔中的活塞环的两端之间的间隙 ... 0.45 ± 0.15 mm (0.018 ± 0.006 in)

缸套孔每增加 0.03 mm (0.001 in) 活塞环两端之间间隙增加的量 ... 0.09 mm (0.004 in)

注: 活塞环安装完成之后,旋转活塞环,以便使各端隙之间成 120 度。

活塞销(5)

注: 组装前,使用清洁的发动机机油彻底润滑活塞销。

外径 ... 53.155 ± 0.005 mm (2.0927 ± 0.0002 in)

内径 ... 23.00 ± 0.25 mm (0.906 ± 0.010 in)

长度 ... 92.00 ± 0.15 mm (3.622 ± 0.006 in)

活塞销孔径 ... 53.250 ± 0.010 mm (2.0965 ± 0.0004 in)

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