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Transfer Case Service Manual
BW 47-36 ESOF Version 1.0
BorgWarner TTS (Beijing) Co., Ltd.
BorgWarner TTS(Beijing) Co., Ltd.
BW 47-36 Transfer Case Service Manual
Table of Contents
Section 1 产品介绍和说明 .......................................................................................................................................... 3
1-1. 介绍 ................................................................................................................................................................ 3 1-2. 产品说明 ........................................................................................................................................................ 3 第二章 分动器的润滑油和故障检查及排除 ............................................................................................................. 4
2-1. 润滑油 ............................................................................................................................................................ 4 2-2. 故障检查 ........................................................................................................................................................ 5 2-3. 拆卸和安装 .................................................................................................................................................... 7
分动器的拆卸 ............................................................................................................... 错误！未定义书签。 分动器的安装 ............................................................................................................... 错误！未定义书签。
第三章 分动器的拆解 ............................................................................................................... 错误！未定义书签。
3-1. 概况 .............................................................................................................................................................. 10 3-2. 分动器的拆解 .............................................................................................................. 错误！未定义书签。 3-3. 拆解四驱换档件 .......................................................................................................................................... 12 3-4. 拆解链条传动系统 ...................................................................................................................................... 13 3-5. 后输出轴及泵分总成 .................................................................................................................................. 13 3-6. 减速换档件 .................................................................................................................. 错误！未定义书签。 3-7. 前输出分总成拆解 ...................................................................................................... 错误！未定义书签。 3-8. 拆解换挡凸轮机构 ...................................................................................................... 错误！未定义书签。 3-9.拆解前壳体、输入轴和行星机构分总成 .................................................................... 错误！未定义书签。 第四章 清洗、检查、维修或更换 ........................................................................................... 错误！未定义书签。
4-1 清洗 ............................................................................................................................................................... 17 4-2 检查 ............................................................................................................................................................... 17
一般的检查过程 ........................................................................................................................................... 17 特定的检查过程 ........................................................................................................... 错误！未定义书签。 齿轮或链轮齿的检查 ................................................................................................... 错误！未定义书签。 花键齿的检查 ............................................................................................................... 错误！未定义书签。 4-3 维修或替换 ................................................................................................................... 错误！未定义书签。
齿轮和链轮齿的维修 ................................................................................................... 错误！未定义书签。
第五章 装 配........................................................................................................................................................... 23
5-1 概况 ............................................................................................................................................................... 23
装配中的润滑 ............................................................................................................... 错误！未定义书签。 5-2 分动器前壳体分总成装配 ........................................................................................... 错误！未定义书签。 5-3. 前壳体、输入轴分总成及行星机构的装配............................................................... 错误！未定义书签。 5-4. 前输出轴的装配 .......................................................................................................... 错误！未定义书签。 5-5. 电动换挡凸轮的装配 .................................................................................................. 错误！未定义书签。 5-6. 减速换挡零件的装配 .................................................................................................. 错误！未定义书签。 5-7. 输出轴和泵分总成的装配 .......................................................................................... 错误！未定义书签。 5-8. 链条传动系统的装配 .................................................................................................. 错误！未定义书签。 5-9. 四驱换挡组件及换挡锁止机构的装配 ...................................................................... 错误！未定义书签。 5-10. 分动器后壳体分总成的装配 .................................................................................... 错误！未定义书签。 5-11. 分动器壳体分总成的装配 ......................................................................................... 错误！未定义书签。 5-12. 换挡马达及传感器的装配 ........................................................................................ 错误！未定义书签。 5-13. 后法兰盘部件的装配及加注润滑油 ........................................................................ 错误！未定义书签。 第六章 电气部分检修 ............................................................................................................... 错误！未定义书签。
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BorgWarner TTS(Beijing) Co., Ltd.
BW 47-36 Transfer Case Service Manual
6-1. 电动控制单元 .............................................................................................................. 错误！未定义书签。 6-2. 四驱分动器换挡控制 .................................................................................................. 错误！未定义书签。 6-3. ECU电子控制单元的检测 .......................................................................................... 错误！未定义书签。 6-4. ECU电子控制单元的诊断 .......................................................................................... 错误！未定义书签。 第七章 专用工具 ....................................................................................................................................................... 34 第八章 零部件分解爆炸图及易损件明细 ............................................................................................................... 35
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BorgWarner TTS(Beijing) Co., Ltd.
BW 47-36 Transfer Case Service Manual
SECTION 1. INTRODUCTION AND DESCRIPTION
1-1. INTRODUCTION
This manual contains maintenance, service and parts information for the 47-36 Transfer Cases manufactured by BorgWarner TTS (Beijing) Co., Ltd.
As you will see in the Table of Contents, this manual provides information for maintenance,
troubleshooting, installation, removal, disassembly, cleaning, inspection, repair or replacement, and assembly of transfer case.
Section 7 lists special tools. These tools, or equivalent are required for proper disassembly and assembly of the transfer case.
The exploded view illustrations in Section 8 make it possible to view the complete assembly in addition to the illustrations in the service sections relating to a specific service procedure.
1-2. DESCRIPTION
The BW 47-36 is a two-speed, part time transfer case. A planetary gear set is used to provide gear reduction. Power is transferred to the front wheel drive through a Morse Hy-Vo chain drive. The unit operates in an oil bath plus an oil pump is used to provide positive lubrication to the planetary gear set and other upper shaft components. Three selector positions are provided: 2H — In two high position, only the two rear wheels are driven and the transfer case operates at a 1.00 to 1.00 speed ratio.
4H — In four high position, all four wheels are driven at a 1.00 to 1.00 speed ratio.
4L — In four low position, all four wheels are driven and the transfer case operates at a 2.48 to 1.00 speed reduction ratio.
The electric shift transfer case is controlled by an electric clutch, a speed sensor and an electric motor that drive a shift cam within the case. A separate electronic shift control system is also necessary. The clutch is used to spin up the front drive system and permit shifting from 2H to 4H at any speed.
The 47-36 transfer case is used for SUV & light truck applications.
The identification tag is installed on the transfer case at the location shown in Figure 1-1. Figure 1-1 also illustrates the information to be found on the tag.
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