773D Off-Highway Truck and 775D Quarry Truck Caterpillar


Pressure Control Valve (Transmission)

Usage:

773D 7CS



图 1g01982894

表 1
压力控制阀用垫片
各垫片的压力变化    
阀站 (1)     A     B     C     E     F     G     H    
接合的离合器     2     1     7     5     4     6     3    
垫片厚度     压力变化量     压力变化量     压力变化量     压力变化量     压力变化量     压力变化量     压力变化量    
5J-2721 垫片    

0.13 mm (0.005 in)    

14.0 kPa (2.0 psi)    

20.0 kPa (2.9 psi)    

20.0 kPa (2.9 psi)    

15.0 kPa (2.2 psi)    

15.0 kPa (2.2 psi)    

20.0 kPa (2.9 psi)    

17.0 kPa (2.5 psi)    
6J-3993 垫片    

0.25 mm (0.010 in)    

28.0 kPa (4.1 psi)    

41.0 kPa (5.9 psi)    

41.0 kPa (5.9 psi)    

30.0 kPa (4.4 psi)    

30.0 kPa (4.4 psi)    

41.0 kPa (5.9 psi)    

33.0 kPa (4.8 psi)    
4M-1751 隔离圈    

0.40 mm (0.016 in)    

45.0 kPa (6.5 psi)    

65.0 kPa (9.4 psi)    

65.0 kPa (9.4 psi)    

48.0 kPa (7.0 psi)    

48.0 kPa (7.0 psi)    

65.0 kPa (9.4 psi)    

53.0 kPa (7.7 psi)    
5J-1036 垫片    

0.80 mm (0.031 in)    

87.0 kPa (12.6 psi)    

125.0 kPa (18.1 psi)    

125.0 kPa (18.1 psi)    

92.0 kPa (13.3 psi)    

92.0 kPa (13.3 psi)    

125.0 kPa (18.1 psi)    

103.0 kPa (14.9 psi)    
( 1 ) 工作站 "D" 没有使用。

(1) 14 只 O 形圈螺塞的扭矩 ... 5.5 ± 1.5 N·m (48.7 ± 13.3 lb in)

(2) 9G-7132 节流孔螺塞

颜色编码 ... 绿色
节流孔尺寸 ... 1.57 mm (0.062 in)
六只节流孔螺塞的扭矩 ... 5.5 ± 1.5 N·m (48.7 ± 13.3 lb in)

(3) 8P-9738 多级量孔 的厚度 ... 4.58 mm (0.180 in)

(4) 9D-7884 弹簧

颜色编码 ... 白色条纹
在试验力下的长度 ... 18.62 mm (0.733 in)
试验力 ... 161.5 N (36.3 lb)
试验后的自由长度 ... 23.9 mm (0.94 in)
外径 ... 15.786 mm (0.6215 in)

(5) 两个 O 形圈螺塞的扭矩 ... 50 ± 7 N·m (37 ± 5 lb ft)

(6) 4M-2381 弹簧

在试验力下的长度 ... 12.2 mm (0.48 in)
试验力 ... 2.300 ± 0.183 N (0.517 ± 0.041 lb)
试验后的自由长度 ... 22.7 mm (0.89 in)
外径 ... 7.63 mm (0.300 in)

(7) 9P-0683 弹簧

在试验力下的长度 ... 25.40 mm (1.000 in)
试验力 ... 35.6 ± 2.8 N (8.0 ± 0.6 lb)
试验后的自由长度 ... 66.04 mm (2.600 in)
外径 ... 21.44 mm (0.844 in)

(8) 9W-7410 弹簧 (外)

颜色编码 ... 浅蓝色条纹
首次测试力下的长度 ... 79.5 mm (3.13 in)
首次测试力 ... 78.3 ± 3.9 N (17.6 ± 0.9 lb)
第二次测试力下的长度 ... 63 mm (2.5 in)
第二次测试力 ... 237.3 ± 8.7 N (53.3 ± 2.0 lb)
试验后的自由长度 ... 87.63 mm (3.450 in)
外径 ... 14.73 mm (0.580 in)

(9) 7T-0569 弹簧 (内)

颜色编码 ... 浅蓝色条纹
在试验力下的长度 ... 63 mm (2.5 in)
试验力 ... 91.78 ± 4.60 N (20.63 ± 1.03 lb)
试验后的自由长度 ... 79.84 mm (3.143 in)
外径 ... 8.64 mm (0.340 in)

(10) 有关在各阀站增加或减少垫片和隔套导致的压力变化,请参阅表 1。

(11) 7T-0571 弹簧 (内)

颜色编码 ... 深绿色条纹
在试验力下的长度 ... 63 mm (2.5 in)
试验力 ... 76.4 ± 3.8 N (17.2 ± 0.9 lb)
试验后的自由长度 ... 80.44 mm (3.167 in)
外径 ... 8.64 mm (0.340 in)

(12) 8P-9737 多级量孔 的厚度 ... 2.54 mm (0.100 in)

(13) 9W-7412 弹簧 (外)

颜色编码 ... 深绿色条纹
首次测试力下的长度 ... 79.5 mm (3.13 in)
首次测试力 ... 68.0 ± 3.4 N (15.3 ± 0.8 lb)
第二次测试力下的长度 ... 63 mm (2.5 in)
第二次测试力 ... 313.8 ± 10.8 N (70.5 ± 2.4 lb)
试验后的自由长度 ... 84.06 mm (3.309 in)
外径 ... 14.73 mm (0.580 in)

(14) 201-6618 节流孔螺塞组件

颜色编码 ... 黄
节流孔尺寸 ... 1.40 mm (0.055 in)
节流孔螺塞组件的扭矩 ... 1.0 至 1.2 N·m (8.9 至 10.6 lb in)

(15) 8P-9739 多级量孔 的厚度 ... 6.6 mm (0.26 in)

(16) 9W-7411 弹簧 (外)

颜色编码 ... 黄色条纹
首次测试力下的长度 ... 79.5 mm (3.13 in)
首次测试力 ... 93.9 ± 4.7 N (21.1 ± 1.1 lb)
第二次测试力下的长度 ... 63 mm (2.5 in)
第二次测试力 ... 282.1 ± 10.3 N (63.4 ± 2.3 lb)
试验后的自由长度 ... 87.73 mm (3.454 in)
外径 ... 14.73 mm (0.580 in)

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