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John Deere 310K Backhoe Loader Operation & Test Technical Manual (TM13056X19)
Complete technical Operation & Test Manual with electrical wiring diagrams for John Deere 310K Backhoe Loader. It’s the same service manual used by dealers that guaranteed to be fully functional and intact without any missing page.
John Deere 310K Backhoe Loader Operation & Test Technical Manual (including maintenance, overhaul, disassembling & assembling, adjustment, tune-up, operation, inspecting, diagnostic & troubleshooting…) is divided into different sections. Each section covers a specific component or system with detailed illustrations. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. The printer-ready PDF documents work like a charm on all kinds of devices.
TM13056X19 – John Deere 310K Backhoe Loader Operation and Test Technical Manual
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EXCERPT:
TM13056X19 – 310K Backhoe Loader
Loader and Stabilizer Control Valve Operation
TX1135731-UN: 5-Function Loader and Stabilizer Control Valve (neutral, manual auxiliary shown)
LEGEND:
1 – Lift Check Valve (3 used)
2 – Neutral Flow Passage
3 – Power Passage (2 used)
150 – System Relief Valve
190 – Loader and Stabilizer Control Valve
191 – Left Stabilizer Spool
192 – Right Stabilizer Spool
193 – Loader Boom Spool
194 – Loader Bucket Spool
195 – Loader Auxiliary Spool (if equipped)
600 – High Pressure Oil
604 – Return Oil
606 – Trapped Oil
TX1135813A-UN: 5-Function Loader and Stabilizer Control Valve
LEGEND:
1 – Lift Check Valve (3 used)
4 – Supply Inlet Port
5 – Return Outlet Port
7 – Power Beyond Port (not used)
150 – System Relief Valve
190 – Loader and Stabilizer Control Valve
191 – Left Stabilizer Spool
192 – Right Stabilizer Spool
193 – Loader Boom Spool
194 – Loader Bucket Spool
195 – Loader Auxiliary Spool (if equipped)
Loader and stabilizer control valve is an open center, mono-block, spool valve. All function spools are contained within one main housing.
High pressure oil enters valve at supply inlet port (4). When no functions are activated (neutral) supply oil flows uninterrupted through control valve to hydraulic reservoir via neutral flow passage (2). Two power passages (3) branch off parallel to neutral flow passage to provide hydraulic pressure to stabilizer and loader functions. Return oil exits at return outlet (5). System
relief valve (150) regulates loader and stabilizer function maximum supply oil pressure.
Stabilizers only or loader functions only can operate at one time. Stabilizer function takes priority over loader functions. If one or both stabilizer spools are shifted, oil is blocked to downstream loader functions.
All loader functions can operate simultaneously. When one spool moves only neutral flow passage is blocked from return, supply oil is still routed to downstream loader spools through the power passage. This passage is dead-ended at last valve section.
For more information on each spool function operation see the following corresponding sections.
Stabilizer Section
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