C13, C15, and C18 Tier 4 Final Engines Caterpillar


Piston and Rings

Usage:

826K 232


图 1g02577696

表 1
368-7822 活塞和连杆总成技术规格 
项目  数量  零件  技术规格说明 
223-9159 顶部活塞环  安装顶活塞环时使标有 "UP-1" 的一侧朝向活塞顶部。 色条朝向活塞环开口间隙的右侧。 
新顶部活塞环的厚度为 3.845 mm (0.1514 in)
144.975 mm (5.7077 in) 的缸套孔中的活塞环两端之间的间隙为 0.40 ± 0.10 mm (0.016 ± 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为 0.08 mm (0.003 in)
238-2707 活塞环  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为 2.94 mm (0.116 in)
144.975 mm (5.7077 in) 的缸套孔中的活塞环两端之间的间隙为 0.600 ± 0.125 mm (0.0236 ± 0.0049 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为 0.08 mm (0.003 in)
246-5659 活塞环  装配时,机油控制环的弹簧端应与环两端缝隙成180 度。 色条朝向活塞环开口间隙的右侧或左侧。 
新活塞中用于活塞控油环的槽宽为 3.020 ± 0.010 mm (0.1189 ± 0.0004 in)
新活塞控油环的厚度为 2.980 至 0.010 mm (0.1173 至 0.0004 in)
144.975 mm (5.7077 in) 的缸套孔中的活塞环两端之间的间隙为 0.55 ± 0.15 mm (0.022 ± 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为 0.08 mm (0.003 in)
180-7350 活塞销  将活塞插入活塞体和连杆中之前,应先用清洁的发动机机油润滑活塞销。 
活塞销活塞裙内安装的成品轴承中的孔径为 60.125 ± 0.005 mm (2.3671 ± 0.00020 in)
新活塞销的直径为 59.975 ± 0.005 mm (2.3612 ± 0.0002 in)
新活塞销的长度为 89.80 ± 0.15 mm (3.535 ± 0.006 in)
将挡圈 (5) 安装到活塞底部开口处。 请参阅插图 1。
151-5925 螺栓  拧紧扭矩至 40 ± 8 N·m (30 ± 6 lb ft) 
在组装进缸体之前,先使用清洁的发动机机油彻底润滑区域 (A) 中的整个活塞。 
活塞环安装完成之后,旋转活塞环使各端隙之间的距离呈 120 度。 

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