C6.6 Engines for Caterpillar Built Machines Caterpillar


Piston and Rings

Usage:

CS-56B 437



图 1g01352562

(1) 顶部压缩环

顶部压缩环的形状 ... 锥形
环开口间隙 ... 0.30 至 0.45 mm (0.0118 至 0.0177 in)

注: 安装新顶部压缩环时一定要确认字母 "TOP" 朝向活塞的顶部。 在竖直活塞上安装活塞顶环时,新活塞顶环带有的黄色识别标记必须位于环开口端隙的左侧。

(2) 中间压缩环

中间压缩环的形状 ... 底部边缘为内斜面,带锥形表面
中间压缩环的宽度 ... 2.47 至 2.495 mm (0.0972 至 0.0982 in)
新中间压缩环和新活塞中活塞槽之间的间隙 ... 0.065 至 0.011 mm (0.0026 至 0.0004 in)
环开口间隙 ... 0.65 至 0.85 mm (0.0256 至 0.0335 in)

注: 安装新的中间压缩环时必须确认字母 "TOP" 朝向活塞的顶部。 新的中间压缩环有蓝色的标记,当顶部活塞环安装到竖直的活塞上时它必须在环开口间隙的左侧。

(3) 机油控制环

机油控制环的宽度 ... 2.97 至 2.99 mm (0.1169 至 0.1177 in)
新机油控制环和新活塞槽之间的间隙 ... 0.03 至 0.07 mm (0.0011 至 0.0027 in)
环开口间隙 ... 0.30 至 0.55 mm (0.0118 至 0.0216 in)

注: 机油控制环为双块环类型,由弹簧加载。 用一个销将机油控制环弹簧两端固定到位。 机油控制环的弹簧端必须与油环开口间隙相对安装。

注: 必须保证活塞环开口端隙彼此之间间隔 120 度。

活塞

注: 活塞冠部的箭头标记必须朝向发动机前部。

活塞高于缸体的高度 ... 0.21 至 0.35 mm (0.008 至 0.014 in)

活塞顶槽的宽度 ... 锥形

新活塞第二道槽的宽度 ... 2.56 至 2.58 mm (0.1008 至 0.1016 in)

新活塞第三道槽的宽度 ... 3.02 至 3.04 mm (0.1189 至 0.1197 in)

活塞销

新活塞销直径 ... 39.694 至 39.700 mm (1.5628 至 1.5630 in)

Caterpillar Information System:

C15 Generator Set Product Description
301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Boom Bearings - Remove and Install
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0588 - FMI 09
301.6C and 301.8C Mini Hydraulic Excavators Machine Systems Track Roller - Remove and Install
320D Excavator Fuses - Replace
302.5C Mini Hydraulic Excavator Machine Systems Blower Motor (Heater) - Remove and Install
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0586 - FMI 12
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0586 - FMI 05
302.5C Mini Hydraulic Excavator Machine Systems Swing Motor - Install
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0581 - FMI 06
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0581 - FMI 05
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0581 - FMI 03
M318C and M322C Excavators Machine Systems Stick Bearings and Seals - Remove
M318C and M322C Excavators Machine Systems Stick Bearings and Seals - Install
324D and 326D Excavators Capacities (Refill)
302.5C Mini Hydraulic Excavator Machine Systems Track - Remove and Install
C11 and C13 Engines Fuel Temperature Sensor
M318C and M322C Excavators Machine Systems Stick - Remove
M318C and M322C Excavators Machine Systems Stick - Install
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0590 - FMI 09
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0598 - FMI 03
C4.4 (Mech) Industrial Engine Water Pump
325C LCR Excavator Machine Systems Solenoid Valve (Negative Flow Control, Proportional Reducing Valve) - Disassemble
320D, 321D, 323D, 324D, 325D, 326D, 328D, 329D, 330D, 336D, 336D2, 340D and 340D2 Excavators, 324D Forest Machine and 323D MHPU, 324D MHPU, 325D MHPU, 329D MHPU, 330D MHPU and 336D MHPU Mobile Hydraulic Power Units Machine Electronic Control System MID 039 - CID 0598 - FMI 05
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