988H and 988K Wheel Loaders Power Train Caterpillar


Drive Shaft (Front) and Drive Shaft Support Bearing - Remove

Usage:

988H A7A

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     138-7575     连杆支架     1    
B     1U-7505     液压千斤顶     1    
C     FT-1114     真空舱     1    
5P-0306 真空传感器     1    
6V-4142 接头     1    
5K-5068 接头     1    
D     1U-9200     操纵杆滚轮起重机     1    
e     154-6182     M12 x 1.75,长 150 mm
顶出螺栓    
2    
F     1P-0520     冲头总成     1    
ZZ     6V-9509     插头     1    
6V-9830 盖组件     1    

开始:

  1. 卸下中心驱动轴。 请参阅拆解和组装, "驱动轴(中心) - 拆卸和安装"。

注: 维修数据:拆卸和安装中的工具 (ZZ) 将不在图示中列出。 显示这一工具是为了协助有经验的维修人员。




    图 1g01135669

  1. 将工具 (A) 和适当的起吊设备连接到防护罩组件 (1) 上。 将工具 (B) 安置在防护罩组件 (1) 的下面。 防护罩组件 (1) 的重量约为 41 kg (90 lb)。 拆下螺栓 (2) 并将防护罩组件 (1) 降至地面。



    图 2g01135686

  1. 将工具 (C) 连接到液压油箱 (3) 上。



    图 3g01135692

  1. 断开软管组件 (4) 。

    注: 必须断开软管组件 (4) 留出正确的间隙,用于在下一步安装工具。




    图 4g01135696



    图 5g01135712

  1. 将工具 (A) 固定到主液压控制阀 (5) 的侧面。 将工具 (D) 连接到工具 (A) 上。 将工具 (D) 和适当的起吊设备固定到前驱动轴 (6) 上。 前驱动轴 (6) 的重量约为 61 kg (135 lb)。

  1. 从前驱动轴 (6) 上卸下螺栓 (7) 。



    图 6g01135733

  1. 卸下螺栓 (8) 和护圈 (9) 。



    图 7g01135739

  1. 拆下 O 形密封圈 (10) 和轭组件 (11) 。



    图 8g01135744

  1. 卸下螺栓 (12) 和轴承保持架 (13) 。



    图 9g01135757

  1. 从轴承保持架 (13) 上卸下唇形密封 (14) 。



    图 10g01135752

  1. 拆下 O 形密封圈 (15) 。



    图 11g01135763

  1. 安装工具 (E) ,然后拆下轴承保持架 (16) 。



    图 12g01135766

  1. 使用工具 (F) 和适当的起吊设备从轴承保持架 (16) 拆卸滚柱轴承 (17) (未显示)和滚柱轴承 (18) (未显示)。 从轴承保持架 (16) 上卸下唇形密封。



    图 13g01135777

  1. 将前驱动轴 (6) 降至地面。

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