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1、Chonan TSTC,AISIN MODEL - AW0372L,Application vehicle : Galloper H-100 (Mini bus),2,C0 : overdrive clutch C1 : front clutch C2 : rear clutch F0 : overdrive one-way clutch F1 : one-way clutch no.1 F2 : one-way clutch no.2,B0 : overdrive brake B1 : brake no.1 B2 : brake no.2 B3 : brake no.3,Structure,
2、AUTO TRANSMISSION,3,The governor is hydraulic speedometer that is driven by the output shaft of the transmission. It receives fluid from the mainline pressure and produces a regulated governor pressure signal that is proportional to vehicle speed.,Governor(Location),AUTO TRANSMISSION,4,Governor(Stru
3、cture),AUTO TRANSMISSION,5,The greater the vehicle speed, the greater the centrifugal force of the weights, and hence the greater the governor pressure necessary to balance the centrifugal force. Eventually, vehicle speed reaches a point at which the governor valve cannot balance itself against the
4、centrifugal force of the weight. The governor valve is permanently in the open position and governor pressure equals the mainline supply pressure.,The vehicle speed increases,Governor(Operating Principle),AUTO TRANSMISSION,6,Connection of Oil Pump,AUTO TRANSMISSION,7,Parking/Neutral Operating Elemen
5、ts,AUTO TRANSMISSION,8,Neutral Fluid Flow,AUTO TRANSMISSION,9,Parking Fluid Flow,AUTO TRANSMISSION,10,Reverse Operating Elements,AUTO TRANSMISSION,11,Reverse Fluid Flow,AUTO TRANSMISSION,12,1st Operating Elements,AUTO TRANSMISSION,13,1st Fluid Flow,AUTO TRANSMISSION,14,2nd Operating Elements,AUTO TR
6、ANSMISSION,15,CO BO C1 C2 B1 B2 B3 Governor,Oil pump,1-2 shiftvalve,Low-cost shift valve,Reverse brake sequence valve,2-3 shiftvalve,3-4 shiftvalve,Manual valve,Low-cost modulator valve,2nd Fluid Flow,AUTO TRANSMISSION,16,3rd Operating Elements,AUTO TRANSMISSION,17,CO BO C1 C2 B1 B2 B3 Governor,Oil
7、pump,1-2 shiftvalve,Low-cost shift valve,Reverse brake sequencevalve,2-3 shiftvalve,3-4 shiftvalve,Manual valve,Low-cost modulator valve,3rd Fluid Flow,AUTO TRANSMISSION,18,OD Operating Elements,AUTO TRANSMISSION,19,CO BO C1 C2 B1 B2 B3 Governor,Oil pump,1-2 shiftvalve,Low-cost shift valve,Reverse b
8、rake sequencevalve,2-3 shiftvalve,3-4 shiftvalve,Manual valve,OD Fluid Flow,AUTO TRANSMISSION,Chonan TSTC,AISIN MODEL - AW0372LE,Application vehicle : H-100 (Truck) H-1 (N/A, T/C),21,1. Introduction 2. Mechanical part 3. Hydraulic control system 4. Electronic control system 5. Troubleshooting 6. App
9、endix,CONTENTS,22,The “AW0372LE“ automatic transmission is a 4-speed electronically controlled transmission with lock-up function. The “AW0372“ is mainly composed of the torque with lock-up clutch, planetary gear set unit, the hydraulic control system and electronic control system.The electronic con
10、trol system provides extremely precise control of the gear shift timing and lock-up timing in the response to driving conditions as sensed condition.,INTRODUCTION,General Description,23,1.1 The feature of “AW03-72LE“1) Progress of fuel consumption rateThe precision and flexibility of shifting point
11、improved to control with a computer. And setting of shifting point that the best fuel consumption rate was always providedand expansion of the L-up operation area to low speed became possible to control with a computer,progress of fuel consumption rate came true.,INTRODUCTION,General Description,24,
12、2) Progress of shift qualityThe computer always detects a engine condition and a driving condition with electricity signal, and controls a timing of shifting and L-up clutch operation with high precision. And reduction of shift shock came true because of computer adapted in a characteristic of engin
13、e torque. 3) Possibility of selection 3 driving modeThe driver can select the driving mode that best suits the existing driving condition by simply pushing the driving mode select switch.,INTRODUCTION,General Description,25,4) Addition of self diagnosis functionBecause self diagnosis function was ad
14、ded, the driver got possible to detect abnormality such as electronic part or electricity system simply, and service system improved.,INTRODUCTION,General Description,26,1.2 The comparison of “AW03-72L“ and “AW03-72LE“,INTRODUCTION,General Description,27,INTRODUCTION,Sectional View,1,2,3,4,5,6,7,8,9
15、,10,11,12,13,14,15,16,28,1. Torque converter 2. Overdrive input shaft3. Oil pump 4. Overdrive direct clutch 5. One way clutch(O/D, No1, No2)6. Overdrive brake7. Overdrive planetary gear8. Intermediate shaft9. Forward clutch 10. Direct clutch 11. Second coast brake 12. Second brake 13. 1st & Reverse brake 14. Front planetary gear15. Rear planetary gear 16. Output shaft,
