C13, C15, and C18 Tier 4 Final Engines Caterpillar


Gear Group (Front)

Usage:

826K 232


图 1g03512477


图 2g03512521
凸轮轴齿轮拧紧顺序

表 1
358-6884 前齿轮总成的技术规格 
项目  数量  零件  技术规格说明 
031-3185 螺栓  按照图 2 中所示的数字顺序 1、4、2、5、3、6、1、4,将螺栓拧紧至扭矩为 240 ± 40 N·m (177 ± 30 lb ft)。 
0S-1571 螺栓  拧紧至扭矩为 66 ± 6 N·m (49 ± 4 lb ft)。 
拧紧枢轴螺栓前,用仪表设置凸轮轴齿轮中心与齿轮组件中心之间的距离 (B),以便获得 0.216 ± 0.114 mm (0.0085 ± 0.0045)。 
5P-4142 锁紧螺栓  拧紧至扭矩为 55 ± 10 N·m (41 ± 7 lb ft)。 
10  9S-8752 全高螺母  当松开任何螺母以进行维修时,参考以下步骤:

1. 拆下螺母。
2. 用钢丝刷清洁螺母。
3. 在装配前,将蓝色 Loctite 242 涂覆到螺纹上。
4. 将螺母拧紧至扭矩为 55 ± 10 N·m (41 ± 7 lb ft)。 
10  126-1756 锁紧螺栓  当松开任何螺栓以进行维修时,参考以下步骤:

1. 拆下螺栓。
2. 用钢丝刷清洁螺栓。
3. 在装配前,将蓝色 Loctite 242 涂覆到螺纹上。
允许使用预先涂覆了螺纹锁固胶的新螺栓。
4. 拧紧螺栓至扭矩为 30 ± 7 N·m (266 ± 62 lb ft)。 
6I-3624 止推片  将止推片的油槽朝向齿轮组件的端面安装。
厚度为 4.00 ± 0.25 mm (0.157 ± 0.009 in)。 
0S-1571 螺栓  拧紧至扭矩为 55 ± 10 N·m (41 ± 7 lb ft)。 


图 3g03512582


图 4g03512616
枢轴拧紧顺序

表 2
项目  数量  零件  技术规格说明 
102-5861 止推片  厚度为 5.000 ± 0.025 mm (0.1968 ± 0.0009 in)。 
117-8801 O 形密封圈  在装配前,用按 50/50 比例混合的 8T-2998 润滑剂和清洁的发动机机油稍微润滑孔。 
10  352-9728 齿轮组件  安装后, 128-2661 衬套中的孔径为 63.566 ± 0.013 mm (2.5026 ± 0.0005 in)
安装深度为 2.8 ± 0.5 mm (0.11 ± 0.02 in)。 
11  2J-3118 锁紧螺栓  按照图 4 中所示的数字顺序 1、3、4、5、2、1、3、4、5、1,将螺栓拧紧至扭矩为 55 ± 10 N·m (41 ± 7 lb ft)
当松开任何螺栓以进行维修时,参考以下步骤:

1. 拆下螺栓。
2. 用钢丝刷清洁螺栓。
3. 在装配前,将蓝色 Loctite 242 涂覆到螺纹上。
允许使用预先涂覆了螺纹锁固胶的新螺栓。
4. 将螺栓拧紧至扭矩为 55 ± 10 N·m (41 ± 7 lb ft)。 
12  112-9217 止推片  将止推片的油槽朝向齿轮组件的端面安装。
厚度为 4.00 ± 0.25 mm (0.157 ± 0.009 in)。 
13  197-4971 枢轴  用发动机机油润滑齿轮轴颈、轴承孔和止推端面。 
14  130-4701 齿轮组件  用发动机机油润滑齿轮轴颈、轴承孔和止推端面。
130-4698 衬套 的外径为 56.030 ± 0.013 mm (2.2059 ± 0.0005 in)
衬套的厚度为 2.500 ± 0.013 mm (0.0984 ± 0.0005 in)
安装深度为 2.5 ± 0.5 mm (0.09 ± 0.02 in)。 
15  151-5966 枢轴组件  用发动机机油润滑齿轮轴颈、轴承孔和止推端面。
直径为 50.800 ± 0.013 mm (2.0000 ± 0.0005 in)
6I-3623 定位销的延伸长度为 4.5 ± 0.5 mm (0.18 ± 0.02 in)。 
16  6I-3625 齿轮组件  用发动机机油润滑齿轮轴颈、轴承孔和止推端面。
101-8468 衬套 的外径为 56.030 ± 0.013 mm (2.2059 ± 0.0005 in)
衬套的厚度为 2.500 ± 0.013 mm (0.0984 ± 0.0005 in)
安装深度为 1.5 ± 0.5 mm (0.06 ± 0.02 in)。 
17  158-3416 枢轴  用发动机机油润滑齿轮轴颈、轴承孔和止推端面。
直径为 50.800 ± 0.013 mm (2.0000 ± 0.0005 in)。 

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