988H Wheel Loader Electrohydraulic System Caterpillar


Tilt Cylinder

Usage:

988H A7A



图 1g01979962

(1) 活塞直径(单棱) ... 218.00 ± 0.13 mm (8.583 ± 0.005 in)

(2) 活塞直径(双棱) ... 219.00 ± 0.05 mm (8.622 ± 0.002 in)

(3) 活塞直径 ... 218.0 ± 0.5 mm (8.58 ± 0.02 in)

(4) 用少许密封的油液润滑密封唇。

(5) 组装前将 4C-9507 固定剂 涂在刮尘密封槽上。

(6) 螺母的扭矩 ... 13500 ± 1350 N·m (9950 ± 995 lb ft)

注: 安装螺母前,润滑油缸连杆的螺纹。

(7) 油缸连杆直径 ... 114.250 ± 0.038 mm (4.4980 ± 0.0015 in)

(8) 缸孔直径 ... 220.05 ± 0.10 mm (8.663 ± 0.004 in)

(9) 倾斜油缸缸盖孔径(双内棱) ... 115.30 ± 0.03 mm (4.539 ± 0.001 in)

(10) 油缸缸盖孔径(双外棱) ... 114.58 ± 0.03 mm (4.511 ± 0.001 in)

(11) 螺栓的扭矩 ... 900 ± 100 N·m (665 ± 75 lb ft)

231-1955 倾斜油缸总成

销与销之间的闭合长度 ... 2665 mm (104.9 in)

油缸冲程 ... 1770 mm (69.70 in)

271-6441 倾斜油缸总成

销与销之间的闭合长度 ... 2481 mm (97.7 in)

油缸冲程 ... 1621 mm (63.82 in)

Caterpillar Information System:

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