301.5,301.6,301.7,301.8,302 Mini Hydraulic Excavator Machine Systems Caterpillar


Undercarriage Cylinder (Adjustable Gauge) - Assemble

Usage:

301.8 H8X

组装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
152-4251  油缸修理台 
1P-2853  活动扳手 
280-2060  偏置活动扳手 
8H-8539  1 5/8" 套筒 
5P-3588 齿座 


    图 1g06295667

  1. 安装密封 (16) 和隔套 (17)。


    图 2g06295654

  2. 安装 O 形密封圈 (15)。 安装支承环和 O 形密封圈 (14)。


    图 3g06295645


    图 4g06295640

  3. 安装内密封件 (12) 和 O 形密封圈 (13)。 安装外密封件 (11)。

  4. 安装衬套 (10)。


    图 5g06296653

  5. 将油缸螺母 (6) 安装到连杆端 (9) 上。


    图 6g06295422

  6. 使用工具 (D) 拧紧活塞 (8)。 拧紧活塞 (8) 至扭矩为 400 ± 20 N·m (295 ± 15 lb ft)


    图 7g06295398

  7. 将钢球和调整螺钉 (7) 安装到活塞 (8) 中。 拧紧调整螺钉至扭矩为 17 ± 0.9 N·m (150 ± 8 lb in)。 向内移动油缸修理台,以将连杆端 (9) 放入缸筒中。


    图 8g06328403

  8. 用液压油润滑缸筒内部和密封件。 将油缸螺母 (6) 安装到缸筒 (5) 中。 从油缸 (5) 的缸筒端下方拆下支架。


    图 9g06339319

  9. 使用工具 (B) 拧紧油缸螺母 (6)。 拧紧油缸螺母 (6) 至扭矩为 186 N·m (137 lb ft)


    图 10g06339313

  10. 从工具 (A) 上拆下底盘系统油缸 (5)。


    图 11g06328511


    图 12g06328514

  11. 将密封件 (1) 安装到底盘系统油缸 (2) 的缸筒端中。 将密封件 (3) 安装到底盘系统油缸 (4) 的连杆端中。

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