TYM T303HST - Chapter 4 Hst System

CHAPTER 4
HST system
SECTION 1. SPECIFICATIONS------------------------------------------
1. Special or essential tools -------------------------------------------------------------
2. Other materials -------------------------------------------------------------------------
SECTION 2. COMPONENT LOCATION-------------------------------
1. Hydraulic hoses and lines ------------------------------------------------------------
2. Hydrostatic transmission -------------------------------------------------------------
3. Transmission main pump case-------------------------------------------------------
4. Transmission back plate and motor------------------------------------------------
5. Hydrostatic control linkage ----------------------------------------------------------
6. Hydrostatic system schematic -------------------------------------------------------
SECTION 3. TROUBLE SHOOTING------------------------------------
SECTION 4. DIAGNOSTICS----------------------------------------------
SECTION 5. THEORY OF OPERATION
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SECTION 5. THEORY OF OPERATION
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1.HYDROSTATIC SYSTEM -------------------------------------------------
SECTION 6.TESTS AND ADJUSTMENTS ---------------------------
1. Hydrostatic pedal and neutral adjustment ------------------------------------
2. Hydrostatic pump pressure test --------------------------------------------------
3. Charge pump pressure test --------------------------------------------------------
4. Hydraulic system bleed procedure ----------------------------------------
SECTION 7.REPAIR ------------------------------------------------------
1. Tractor splitting (Front) -----------------------------------------------------------
2. Hydrostatic transmission removal & installation ----------------------------
3. Hydrostatic transmission disassembly -------------------------------------------
4. Hydrostatic pump disassembly ---------------------------------------------------
5. Hydrostatic pump inspection -----------------------------------------------------
6. Hydrostatic pump assembly ------------------------------------------------------
7. Hydrostatic Motor disassembly --------------------------------------------------
8. Hydrostatic Motor assembly ------------------------------------------------------
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