3406C Engines for Caterpillar Built Machines Caterpillar


Crankshaft

Usage:

627F 1DL



图 1g00955608

注: 有关弯曲曲轴测量的正确步骤,请参阅再使用零件指南, SEBF8054, "测量和拉直曲轴的步骤"。

(1) 定位销从曲轴表面突出的长度 ... 4.1 ± 0.5 mm (0.16 ± 0.02 in)

(2) 定位销从曲轴表面突出的长度 ... 6.4 mm (0.25 in)

(3) 主轴承轴颈

(4) 连杆轴承轴颈

请参阅技术规格, "连杆轴承轴颈"和技术规格, "主轴承轴颈"以了解有关曲轴轴颈的更多信息。

(5) 曲轴端隙

(新) 曲轴的端隙 ... 0.15 至 0.55 mm (0.007 至 0.022 in)
旧轴承的最大允许轴向间隙 ... 0.89 mm (0.035 in)

(6) 正时齿轮

注: 安装齿轮时,正时标记 "V" 必须朝向曲轴的前方。

曲轴油封




图 2g00960341

注: 请参阅专门说明书, SMHS8508, "密封唇上有液力油槽的曲轴密封总成的专门处理信息和安装说明",以了解前密封总成和后密封总成的正确安装步骤。

注: 请勿将油封从套筒上分开。 如果已将油封从套筒上分开,则必须更换油封。

(1) 前曲轴油封

安装期间,油封起子不得接触以下直径以内的密封件。 ... 177.80 ± 0.25 mm (7.000 ± 0.010 in)
安装后,密封件壳体的端面应与曲轴前端面平行,其容差应在以下值范围内。 ... −0.13 至 0.13 mm (−0.005 至 0.005 in)
安装后,密封件壳体的前端面与曲轴前端面的距离应在以下值范围内。 ... 5.28 + 0.00 - 0.60 mm (0.208 + 0.000 - 0.024 in)
安装后,密封件壳体的端面应与曲轴前端面平行,其容差应在以下值范围内。 ... ± 0.13 mm (± 0.005 in)

(2) 后曲轴油封

安装期间,油封起子不得接触以下直径以内的密封件。 ... 177.80 ± 0.25 mm (7.000 ± 0.010 in)
安装后,密封件耐磨套筒的端面与曲轴后端面的距离应在以下值范围内。 ... 1.5 ± 0.5 mm (0.06 ± 0.02 in)
安装后,密封件壳体的端面与曲轴后端面的距离应在以下值范围内。 ... 6.4 + 0.0 - 0.6 mm (0.25 + 0.00 - 0.03 in)
安装后,密封件壳体的端面必须与曲轴后端面平行,其容差应在以下值范围内。 ... ± 0.13 mm (± 0.005 in)

Caterpillar Information System:

G3500B Engines Product Description
3176C and 3196 Engines For Caterpillar Built Machines Housing (Front) - Remove
3406E On-Highway Engine Crankshaft Front Seal - Remove
3176C and 3196 Engines For Caterpillar Built Machines Crankshaft Front Seal - Install
3176C and 3196 Engines For Caterpillar Built Machines Crankshaft Front Seal - Remove
3176C and 3196 Engines For Caterpillar Built Machines Vibration Damper and Pulley - Remove and Install
3606 and 3608 Engines Engine Design
3612 and 3616 Engines Fuel Injector Mechanism
3176C and 3196 Industrial Engines Water Outlet Manifold - Install
3176C and 3196 Industrial Engines Water Outlet Manifold - Remove
3406C Engines for Caterpillar Built Machines Connecting Rod - Connecting Rod For One-Piece Aluminum Piston
3406E, C-10 and C-12 Truck Engines Compression Brake - Inspect/Adjust
G3500B Engines Performance Parameters
3408E and 3412E Engines for Caterpillar Built Machines Connecting Rod Bearings - Remove
3304B and 3306B Engines for Caterpillar Built Machines Fuel Transfer Pump - Disassemble
3304B and 3306B Engines for Caterpillar Built Machines Fuel Transfer Pump - Assemble
3176C and 3196 Industrial Engines Inlet Manifold - Remove
3406E On-Highway Engine Inlet and Exhaust Valve Seat Inserts - Remove and Install
3176C and 3196 Industrial Engines Inlet Manifold - Install
G3500B Engines Refill Capacities and Recommendations
3406E On-Highway Engine Engine Oil Filter Base - Disassemble
3304B and 3306B Engines for Caterpillar Built Machines Water Pump - Remove
3600 Heavy Fuel Engines Exhaust Piping - Inspect
3608 Engine Engine Design
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