Connecting Rod
Show/hide table
图 1 | g01385501 |
(A) 用于活塞销轴承的连杆孔的直径 ... 55.436 ± 0.013 mm (2.1825 ± 0.0005 in)
(B) 用于曲轴轴颈的连杆轴承的直径 ... 103.500 ± 0.013 mm (4.0748 ± 0.0005 in)
(C) 活塞销轴承孔的中心和曲轴轴颈孔的中心之间的距离 ... 261.62 mm (10.300 in)
(D) 活塞销和轴承的尺寸
- 活塞销轴承孔 ... 50.830 ± 0.008 mm (2.0012 ± 0.0003 in)
- 精加工轴承的平均粗糙度 ... 0.8
- 活塞销直径 ... 50.795 ± 0.005 mm (1.9998 ± 0.0002 in)
- 精加工轴承的平均粗糙度 ... 0.8
(E) 用于曲轴主轴承轴颈的连杆的内径 ... 97.119 至 97.175 mm (3.8236 至 3.8258 in)
新轴承与曲轴之间的间隙 ... 0.070 至 0.178 mm (0.0028 至 0.0070 in)
Show/hide table
图 2 | g01375328 |
活塞销轴承的位置 |
(F) 轴承连接与水平中心线的最大角度 ... ± 5 度
(G) 轴承连接与水平中心线的最大角度 ... ± 5 度
注: 请勿使用喷枪加热连杆。
(H) 安装活塞销轴承期间,连杆加热时的最长长度 ... 89 mm (3.5 in)
连杆加热的允许温度 ... 175 至 260 °C (350 至 500 °F)
Show/hide table
图 3 | g01385471 |
A-A 视图 |
注: 将连杆端面 (2) 靠近曲轴销止推面安装。 请参阅插图 3。 连杆端面 (3) 现在靠近共用曲轴销上的相邻杆端面 (3) 。
Show/hide table
图 4 | g01375363 |
(1) 使用以下步骤来拧紧连杆螺母:
- 组装之前,用清洁的发动机机油润滑螺栓的螺纹和螺栓头的安装面。
- 拧紧连杆螺母至扭矩为 82 ± 8 N·m (60 ± 6 lb ft)。
- 扭矩拧紧连杆螺母后,将各螺母额外转动角度 (J) 120 ± 5 度。
Caterpillar Information System:
315B Excavator Machine Systems Main Hydraulic Pump - Remove
3408E and 3412E Engines for Caterpillar Built Machines Connecting Rod and Main Bearing Journals
315B Excavator Machine Systems Gear Pump (Pilot) - Remove and Install
330B Excavator Hydraulic System Relief Valve (Line) - Test and Adjust
M315 Excavator Machine System Boom - 3.7 m (12.14 ft)
315B Excavator Machine Systems Solenoid Valve (Proportional Reducing) - Remove and Install
M318 Excavator Hydraulic System Engine Performance - Test
M312 Excavator Hydraulic System Engine Performance - Test
315B Excavator Machine Systems Track - Connect
315B Excavator Machine Systems Track - Separate
3406C Engines for Caterpillar Built Machines Cylinder Liner Projection
M315 Excavator Machine System Boom - 1.99 m (6.529 ft)
315B Excavator Machine Systems Main Hydraulic Pump - Install
315B Excavator Machine Systems Main Hydraulic Pump - Disassemble
M318 and M320 Excavators Machine System Specifications Stabilizer
315B Excavator Machine Systems Front Idler - Disassemble
315B Excavator Machine Systems Pilot Valve (Travel) - Remove
315B Excavator Machine Systems Front Idler - Assemble
M312 Excavator Machine System Bucket
330B Excavator Hydraulic System Pump Control (Negative Flow) - Test
M312 Excavator Machine System Bucket
315B Excavator Machine Systems Recoil Spring - Disassemble
307B Excavator Implement Control Pedal - If Equipped
345B Excavator Shipping Specifications