3500B Engines Caterpillar


Engine Oil Scavenge Pump

Usage:

3516B 1NW



图 1g00118286


注意

操作之前,必须使用干净的发动机机油润滑泵体,并且泵必须能灵活运转,否则就会导致部件的损坏。


从传动端看机油回油泵,传动装置按以下方向旋转。 ... 逆时针

(1) 新齿轮长度

8N-9164 泵总成 ... 84.000 ± 0.015 毫米 (3.3071 ± 0.0006 英寸)
1W-8508 泵总成 ... 110.000 ± 0.015 毫米 (4.3307 ± 0.0006 英寸)
144-8267 泵总成 ... 145.000 ± 0.015 毫米 (5.7087 ± 0.0006 英寸)

新齿轮孔的深度

8N-9164 泵总成 ... 84.150 ± 0.020 毫米 (3.3130 ± 0.0008 英寸)
1W-8508 泵总成 ... 110.150 ± 0.020 毫米 (4.3366 ± 0.0008 英寸)
144-8267 泵总成 ... 145.150 ± 0.020 毫米 (5.7146 ± 0.0008 英寸)

(2) 新齿轮轴的直径 ... 31.742 ± 0.008 毫米 (1.2497 ± 0.0003 英寸)

装好后轴承上新齿轮轴的孔径 ... 31.837 ± 0.070 毫米 (1.2534 ± 0.0028 英寸)

(3) 传动轴末端到齿轮面的距离 ... 34.0 ± 0.5 毫米 (1.34 ± 0.02 英寸)

(4) 轴承安装到泵体内的深度: ... 1.5 ± 0.5 毫米 (0.06 ± 0.02 英寸)

(5) 螺栓

注: 请先使用异丙醇清洁轴和齿轮孔,再将齿轮安装到轴上。

  1. 轻拍齿轮,使其锥孔安放在轴上。

  1. 根据以下扭矩拧紧螺栓:

    螺栓的扭矩 ... 100 ± 20 牛米 (75 ± 15 磅英尺)

重复此步骤直到扭矩不再变化。




图 2g00118287

典型示例




图 3g00118288

(6) 轴承接合处与各轴承孔心连线的相对位置 ... 45 ± 15 度

(7) 轴承安装到盖板内的深度: ... 1.5 ± 0.5 毫米 (0.06 ± 0.02 英寸)

(8) 定位销伸出盖板的长度: ... 6.4 ± 0.5 毫米 (0.25 ± 0.02 英寸)

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