D6N Track-Type Tractor Systems Caterpillar


Differential Drive and Brake Group

Usage:

D6N GB6


图 1g02725800

表 1
技术规格 - 448-4208 制动器和差速器驱动总成 
项目  数量  零件  技术规格说明 
7W-6534 管道螺塞  将白色 Loctite Low Brakeloose PST 密封胶涂敷到螺纹上。 
四片新的摩擦片和三片新盘的厚度为 28.325 ± 0.945 mm (1.1152 ± 0.0372 inch): 
4 6Y-9373 摩擦盘  一个新摩擦片的厚度为 4.70 ± 0.18 mm (0.185 ± 0.007 inch)。 
3 7T-6994 盘  一个新盘的厚度为 3.175 ± 0.075 mm (0.1250 ± 0.0030 inch)。 
根据需要使用以下垫片组,以在伞齿轮和小齿轮轴之间获得 0.210 ± 0.075 mm (0.0083 ± 0.0030 inch) 的齿隙: 
9W-2853 垫片组 9W-2853 垫片组含有 21 个垫片:
7 垫片垫片组中每个垫片的厚度为 0.05 mm (0.002 inch)
14 垫片垫片组中每个垫片的厚度为 0.12 mm (0.005 inch)
一个垫片组的总厚度为 2.03 mm (0.080 inch)
9B-0576 轴承锁紧螺母  将轴承锁紧螺母逐步拧紧至所需扭矩,以在轴承达到 0.30 to 1.35 N·m (2.66 to 11.95 lb in) 范围内时转动小齿轮 (6)。 拧紧轴承锁紧螺母,直到小齿轮的滚动阻力正确。
把锁紧垫圈上的锁舌弯到轴承锁紧螺母的狭槽中。 
根据需要使用下列垫片组。 有关垫片组的安装,请参考以下步骤: 
1 3T-9272 垫片组  3T-9272 垫片组含有 8 个垫片: 
4 垫片垫片组中每个垫片的厚度为 0.05 mm (0.002 inch)
4 垫片垫片组中每个垫片的厚度为 0.13 mm (0.005 inch)
一个垫片组的总厚度为 0.72 mm (0.028 inch)
3T-9272 垫片组安装程序:
1. 逐步拧紧三个等间矩螺栓 (7),直到拧至所需扭矩,以在轴承达到 2.25 to 4.00 N·m (19.91 to 35.40 lb in) 范围内时转动旋转壳体 (11)。
2. 测量盘 (8) 和转动壳体 (11) 之间的间隙。
3. 请参考步骤 2,选择与盘 (8) 和转动壳体 (11) 之间的间隙等同厚度的垫片组。
4. 拆下三个螺栓 (7) 并安装垫片组 (5)。
5. 拧紧螺栓 (7)。
6. 重新检查螺栓 (7) 的转矩。 参见步骤 1。
9W-1571 挡油环  将 Loctite 高柔性 GM 涂抹在挡油环法兰上与托架接触的区域。 
10  9L-9132 垫圈  确保三个垫圈等距分布。 
12  5K-9107 锁紧螺栓  拧紧至扭矩为 50 ± 10 N·m (37 ± 7 lb ft)。 

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