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CHAPTER 5

Transmission

SECTION 1.GENERAL DESCRIPTION------------------------------------5-1

1.Wheel driving system----------------------------------------------------------5-1

2.PTO drive system--------------------------------------------------------------5-1

3.Power train diagrams---------------------------------------------------------5-2

4.Speed shift patterns and gear train diagrams---------------------------5-2

5.Construction and function of synchromesh mechanism------------- 5-5

SECTION 2. SPECIFICATIONS---------------------------------------------5-7

1. Wheel drive system----------------------------------------------------------5-7

2. PTO drive system------------------------------------------------------------5-7

SECTION 3.DISASSEMBLY,INSPECTION,AND REASSEMBLY-5-8

1. Input shaft and reverse change gear(Front transmission) ------ 5-8

2. PTO clutch ----------------------------------------------------------------5-17

3. Main change,sub-change,and 4WD change gears.----------------5-21

4. Rear transmission -------------------------------------------------------5-31

5. Shifters and related parts----------------------------------------------5-41

SECTION 4. TROUBLESHOOTING-------------------------------------5-47

1. Wheel drive system------------------------------------------------------5-47

2. PTO drive system----------------------- --------------------------------5-48

3. Power train diagrams---------------------------------------------------5-49

TYM T430 Service Manual

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