TYM T303HST User Manual

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
------------------------------
4-1
4-2
4-2
4-3
4-3
4-4
4-5
4-6
4-7
4-8
4-10
4-11
4
-
12
SECTION 5. THEORY OF OPERATION
------------------------------
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 ------------------------------------------------------
4
-
12
4-12
4-13
4-13
4-14
4-15
4-16
4-
17
4-17
4-23
4-24
4-26
4-29
4-30
4-32
4-35

TYM T303HST Specifications

General

Brand	TYM
Model	T303HST
Category	Tractor
Language	English