Cub Cadet 8404 - Manual (Page 7)

6. OIL FLOW ......................................................................................................................................................... 8-9
6.1 IN NEUTRAL ........................................................................................................................................... 8-9
6.2 TURNING TO THE RIGHT .................................................................................................................... 8-9
6.3 TURNING TO THE LEFT ..................................................................................................................... 8-10
6.4 MANUAL STEERING ............................................................................................................................ 8-10
7. TROUBLESHOOTING ................................................................................................................................... 8-11
8. DISASSEMBLY, MAINTENANCE ................................................................................................................. 8-12
8.1 GEAR PUMP ......................................................................................................................................... 8-12
8.2 POWER STEERING UNIT ................................................................................................................... 8-14
8.3 STEERING CYLINDER ....................................................................................................................... 8-21
CHAPTER 9 HYDRAULIC SYSTEM ................................................................................................. 9-1
1. HYDRAULIC CIRCUIT DIAGRAM .................................................................................................................. 9-3
2. STRUCTURE ................................................................................................................................................... 9-4
3. HYDRAULIC CIRCUIT DIAGRAM OF 3-POINT HYDRAULIC SYSTEM ............................................................ 9-5
4. HYDRAULIC PUMP ......................................................................................................................................... 9-6
4.1 STRUCTURE OF HYDRAULIC PUMP .................................................................................................. 9-6
4.2 OPERATION .............................................................................................................................................. 9-6
5. OIL FILTER ....................................................................................................................................................... 9-7
5.1 STRUCTURE OF OIL FILTER ................................................................................................................ 9-7
5.2 FUNCTION AND OPERATION ................................................................................................................ 9-7
6. CONTROL VALVE (MLS VALVE) ..................................................................................................................... 9-8
6.1 STRUCTURE ............................................................................................................................................ 9-8
6.2 CIRCUIT DIAGRAM ................................................................................................................................. 9-8
6.3 OPERATION PRINCIPLE ........................................................................................................................ 9-9
7. RELIEF VALVE (HYDRAULIC BLOCK) ....................................................................................................... 9-12
8. HYDRAULIC CYLINDER .............................................................................................................................. 9-13
9. STRUCTURE AND OPERATION .................................................................................................................. 9-14
9.1 STRUCTURE .......................................................................................................................................... 9-14
9.2 OPERATION ............................................................................................................................................ 9-14
10.OUTSIDE HYDRAULIC EXTRACTION ....................................................................................................... 9-18
10.1 HYDRAULIC BLOCK ............................................................................................................................. 9-18
10.2 ACTING VALVE ....................................................................................................................................... 9-19
10.3 QUICK COUPLER ................................................................................................................................. 9-19
11. TOP LINK BRACKET DEVICE ..................................................................................................................... 9-20
11.1 STRUCTURE .......................................................................................................................................... 9-20
11.2 OPERATION ............................................................................................................................................ 9-20
12.TROUBLESHOOTING ................................................................................................................................... 9-21
13.MAINTENANCE SPECIFICATION ................................................................................................................ 9-22
13.1 3-POINT SYSTEM HYDRAULIC PUMP .............................................................................................. 9-22
13.2 RELIEF VALVE ....................................................................................................................................... 9-22
13.3 LINK CONTROL ..................................................................................................................................... 9-22
13.4 HYDRAULIC CYLINDER ...................................................................................................................... 9-23