C13, C15, and C18 Tier 4 Final Engines Caterpillar


Cylinder Head

Usage:

826K 232


图 1g02648477

表 1
274-1953 缸盖总成和 235-2974 缸盖总成技术规格 
项目  数量  零件  技术规格说明 
以下螺栓为 194 mm (7.6 in) 长:螺栓 1 至螺栓 10、15、17、19、21、23 和 25
以下螺栓为 215.9 mm (8.5 in) 长:螺栓 11 至螺栓 14、16、18、20、22、24 和 26
在螺栓的螺纹上和硬垫圈两侧涂抹 6V-4876 润滑剂。
按照下列步骤拧紧缸盖的螺栓:
按数字次序拧紧螺栓 1 到螺栓 26 至 270 ± 15 N·m (200 ± 11 lb ft)
按数字次序拧紧螺栓 1 到螺栓 26 至 450 ± 15 N·m (330 ± 11 lb ft)
再次按数字次序拧紧螺栓 1 到螺栓 26 至 450 ± 15 N·m (330 ± 11 lb ft)
缸盖的平整度都应在总体 0.13 mm (0.005 in) 范围内。 此外。对于任意 150 mm (6.0 in) 跨度内,缸盖的平整度最大值应在 0.05 mm (0.002 in) 以内。 


图 2g02548900

表 2
274-1953 缸盖总成和 235-2974 缸盖总成技术规格 
项目  数量  零件  技术规格说明 
缸盖厚度:
新缸盖的厚度为 120.00 ± 0.15 mm (4.724 ± 0.006 in)
使用后的缸盖的最小厚度为 119.50 mm (4.705 in) 


图 3g02548907
(1) 套筒轴承接头
(2) 机油道
(3) 机油孔
(4) 套筒轴承


注意

必须把凸轮轴轴承安装到正确位置。 不这样做的话可能导致发动机损坏。




图 4g02548916

表 3
274-1953 缸盖总成和 235-2974 缸盖总成技术规格 
项目  数量  零件  技术规格说明 
套筒轴承接头的方位为水平面以上 20 ± 5 度 
凸轮轴套筒轴承的孔为 90.985 ± 0.020 mm (3.5821 ± 0.0008 in) 


图 5g02548921

表 4
274-1953 缸盖总成和 235-2974 缸盖总成技术规格 
项目  数量  零件  技术规格说明 
216-5582 衬套  套筒轴承的安装深度是很重要的。 将套筒轴承安装到以下深度:
尺寸 (D): 8.0 ± 0.5 mm (0.31 ± 0.02 in)
尺寸 (E): 178.1 ± 0.5 mm (7.01 ± 0.02 in)
尺寸 (F): 349.5 ± 0.5 mm (13.76 ± 0.02 in)
尺寸 (G): 521.0 ± 0.5 mm (20.51 ± 0.02 in)
尺寸 (H): 692.4 ± 0.5 mm (27.26 ± 0.02 in)
尺寸 (J): 863.8 ± 0.5 mm (34.01 ± 0.02 in)
尺寸 (K): 1035.3 ± 0.5 mm (40.76 ± 0.02 in) 


图 6g02742717

表 5
274-1953 缸盖总成和 235-2974 缸盖总成技术规格 
项目  数量  零件  技术规格说明 
组装前,将 4C-9506 固定胶涂抹在六个喷油器套筒的下端压装直径上。
将喷油器套筒压到面 (6) 的底部。 
杯塞的安装深度为 4.25 ± 0.25 mm (0.167 ± 0.010 in) 
杯塞的安装深度为 1.25 ± 0.25 mm (0.049 ± 0.010 in) 

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