Ezgo 1600xd Repair Manual page 305

HYDRAULIC SYSTEM
TABLE OF CONTENTS
1. SPECIFICATIONS ..................................11-2
2. OPERATING PRINCIPLE .......................11-3
2.1 Hydraulic component layout ................. 11-3
2.2 Hydraulic circuit .................................... 11-5
2.3 Hydraulic line ........................................ 11-6
2.3.1 Dumping operation ..................... 11-6
2.3.2 External hydraulic oil operation .. 11-8
2.4 Gear pump ......................................... 11-10
2.5 Dumping cylinder .............................. 11-12
2.6 Front block (dumping valve) ............... 11-14
2.7 Auxiliary hydraulic valve ..................... 11-16
3. TROUBLESHOOTING .........................11-18
4. INSPECTION AND ADJUSTMENT ......11-19
4.1 Main relief valve pressure .................. 11-19
5. DISASSEMBLY, SERVICE AND
ASSEMBLY ..........................................11-20
5.1 Gear pump disassembly and assembly ... 11-20
5.1.1 Gear pump removal .................. 11-20
5.1.2 Gear pump disassembly ........... 11-20
5.2 Auxiliary hydraulic valve, dumping valve
and front block (relief valve) disassembly
and assembly ...................................... 11-21
5.2.1 Valve removal ........................... 11-21
5.2.2 Auxiliary hydraulic valve
disassembly .............................. 11-23
5.2.3 Dumping valve disassembly ..... 11-26
5.2.4 Front block (relief valve)
disassembly .............................. 11-29
5.3 Dumping cylinder disassembly and
assembly ............................................ 11-30
5.3.1 Dumping cylinder removal ........ 11-30
5.3.2 Dumping cylinder disassembly ... 11-31
6. EXPLODED VIEW ................................11-32
6.1 U1300A Hydraulic dumping ................ 11-32
6.2 U1310A Auxiliary hydraulic valve ....... 11-33
CHAPTER 11