TH48-E80 Petroleum Transmission Caterpillar


Component Location

Usage:

TH48-E80 FRT

TH48-E80 石油变速箱

表 1
控制压力 
端口位置(1)  测压口 
变速箱供油压力 
SOS 取样(变速箱油进口) 
锁止离合器压力 
变矩器进口压力 
变矩器出口压力 
行星齿轮润滑压力 
22  行星齿轮润滑压力(2) 
41  降档电磁阀压力 
42  升档电磁阀压力 
43  PTO 润滑(变速箱供油压力) 
56  离合器 5 
58  离合器 6 
59  离合器 3 
60  离合器 4 
62  离合器 2 
63  离合器 1 
(1) 参考下列插图了解各测试口的位置。
(2) 测试端口 9 是检查行星齿轮润滑压力的首选位置。

注: 参考插图 1、2、3、4 和 5 了解表 1 中所列测压口的位置。



图 1g02846799
右视图
(1) 压力控制阀
(2) 控制检查盖
(3) 测试口(变速箱供油压力)
(4) 测试口(SOS 取样)
(5) 变矩器输出转速传感器检修盖
(6) 测试口(锁止离合器 压力)
(7) 测试口(变矩器进口压力)
(8) 测试口(变矩器出口压力)
(9) 测试端口(增速器润滑)
(10) 变矩器进口安全阀
(11) 变矩器控制总成
(12) 润滑安全阀
(13) 变矩器出口安全阀
(15) 吸油滤网检查盖(变速箱和变矩器泵)
(16) 肾形回路接头 (1 1/4 in) 管排放塞
(17) PTO 安装件(SAE J704 8 螺栓安装件,顺时针旋转,转速比 1.22:1)
(18) 至变速箱滤清器的泵出口
(19) 至变矩器冷却器的泵出口
(19A) 档位选择器滑阀位置指示器连接
(20) 变速箱壳体
(21) 变速箱机油进口(来自冷却器)
(22) 测试端口(行星齿轮润滑压力)
(23) 变速箱油出口(至冷却器)
(24) 两个用户安装/起吊孔,3/4-10-2B 螺纹 x 1.75 in 深(34 mm)


图 2g02881557
左视图
(24) 两个用户安装/起吊孔,3/4-10-2B 螺纹 x 1.75 in 深(34 mm)
(25) 变速箱壳体起吊环
(26) 远程安装 ECM 接头(24 针插座)
(27) 变矩器油温传感器(变矩器出口)
(28) 变矩器供油进口
(29) 调节控制阀(变矩器锁定离合器)
(30) 通气孔盖和机油加注位置
(31) 六角塞 ( 25.4 mm (1.0 inch)) (至变速箱离合器控制的机械检修口)
(32) 降档电磁阀
(33) 升档电磁阀
(34) 变速箱控制塔
(35) 变速箱输出转速传感器
(36) 肾形回路接头 (1 1/4 in) 管排放塞
(37) 变速箱机油油位目测表
(38) 变矩器壳体
(39) PTO 安装件(SAE J704 8 螺栓安装件,逆时针旋转,转速比 1.09:1)


图 3g02885016
右视图
(40) 变速箱输出转速传感器(供用户使用)
(41) 测试端口(降档电磁阀压力)
(42) 测试端口(升档电磁阀压力)
(43) 测试端口(PTO 润滑,变速箱供油压力)
(44) 变速箱机油进口(自机油滤清器)
(45) 变矩器输出转速传感器
(46) 锁定离合器电磁阀
(47) PTO 安装件(SAE J704 8 螺栓安装件,逆时针旋转,转速比 1.09:1)
(48) SAE "O" 发动机至变速箱安装件
(49) 变速箱机油温度传感器(变速箱油池温度)
(50) 齿轮泵的变速箱充油区
(51) 齿轮泵的变矩器区
(52) 管排放塞 (1 1/4 in)
(53) 后变速箱安装件(每侧 5 个 3/4-10-2B in 螺纹孔)
(54) 肾形回路接头 (1 1/4 in) 管排放塞
(55) 变速箱机油加热器的适当位置(2 1/2 in NPT 塞)


图 4g02132934
变速箱液压控制阀的俯视图
(56) 测试端口(离合器 5 压力)
(57) 测试端口(未使用)
(58) 测试端口(离合器 6 压力)
(59) 测试端口(离合器 3 压力)
(60) 测试端口(离合器 4 压力)
(61) 测试端口(变速箱液压控制的先导压力塞)
(62) 测试端口(离合器 2 压力)
(63) 测试端口(离合器 1 压力)
(64) 测试端口(未使用)


图 5g02148385
变速箱行星齿轮和变矩器远程安装 333-6434 机油滤清器总成
(65) 测试口(SOS 取样)
(66) 滤清器底座
(67) 变速箱机油滤清器的旁通阀
(68) 滤清器壳体
(69) 测试口(压力测试)

注: Caterpillar 变速箱使用液压诊断管接头进行制造、组装和测试。 检测系统压力时需使用快速分离连接器。 为方便用户和维修人员,快速分离连接器将保留在变速箱上。 除非另有说明,所有的快速分离连接器都符合 SAE-J1502 标准。

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