D11R Track-Type Tractor Hydraulic System Caterpillar


Bulldozer Dual Tilt Cylinder

Usage:

D11R 7PZ



图 1g00352638

(1) 连杆上的活塞的扭矩 ... 700 ± 70 N·m (520 ± 50 lb ft)

(2) 新油缸的孔径 ... 266.70 + 0.13 - 0.05 mm (10.500 + 0.005 - 0.002 in)

(3) 新缸盖的孔径 ... 101.88 ± 0.03 mm (4.011 ± 0.001 in)

(3) 新连杆的直径 ... 101.55 ± 0.038 mm (3.998 ± 0.0015 in)

(4) 8 只螺栓用的扭矩 ... 2100 ± 250 N·m (1540 ± 185 lb ft)

(5) 螺母的扭矩 ... 8500 ± 200 N·m (6270 ± 150 lb ft)

连杆螺母的拧紧步骤

  1. 使用液压油润滑连杆上活塞装配位置的螺纹。

  1. 安装活塞。 将活塞拧紧至扭矩 700 ± 70 N·m (516 ± 52 lb ft)。

  1. 使用清洁的抹布和合适的清洁剂清除连杆和连杆螺母的螺纹上的碎屑。

  1. 涂覆红色 Loctite2760。 应该以三角形涂覆 Loctite。 不应将 Loctite 涂覆到连杆的前五个螺纹上。 三角形的基部应约为 25.4 mm (1.00 in) 宽。 请参看图 2。

    注: 不要使用红色 Loctite 2760 的替代物。




    图 2g01425191

  1. 安装连杆螺母。 将连杆螺母拧紧至扭矩为 8500 ± 200 N·m (6270 ± 150 lb ft)。

  1. 清除所有过多的 Loctite。

  1. 在继续进行操作前使连杆固化至少 1 小时。

    注: Loctite 2760 在 1 小时内可固化至最终强度的 50%。 Loctite 2760 在 24 小时内可固化至最终强度的 100%。

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