Chapter 5
Hydraulic System
Table of Contents
Traction Unit Operator’s Manual and Accessory Installation Instructions............................................ 5–3
Relieving Pressure from the Hydraulic System .................................................................................. 5–3
Towing the Traction Unit..................................................................................................................... 5–4
Traction Circuit (Closed-Loop) Component Failure ............................................................................ 5–6
Hydraulic Hoses................................................................................................................................. 5–7
Installing Hydraulic Hoses and Tubes (O-Ring Face Seal) ................................................................. 5–8
Installing the Hydraulic Fittings (SAE Straight Thread O-Ring Fittings)............................................. 5–10
Hydraulic Schematic............................................................................................................................ 5–13
Hydraulic Flow Diagrams..................................................................................................................... 5–14
Traction Circuit ................................................................................................................................. 5–14
Steering Circuit ................................................................................................................................ 5–18
Hitch Cylinder Circuit........................................................................................................................ 5–22
Brake Circuit .................................................................................................................................... 5–25
Differential Lock Circuit .................................................................................................................... 5–26
PTO Clutch Circuit ........................................................................................................................... 5–28
Attachment Circuit............................................................................................................................ 5–30
Front Loader Circuit ......................................................................................................................... 5–31
Selector Control Valve (SCV) Circuit (optional) ................................................................................ 5–33
Hydraulic Test Selection................................................................................................................... 5–37
Traction Circuit Testing – Charge Pressure Test............................................................................... 5–37
Traction Circuit Testing – Traction Pump (P1) and (P2) Flow and Relief Valve
Tests................................................................................................................................................. 5–37
Steering/Hitch Cylinder Circuit Testing – Steering Relief Valve (RV1) Pressure
Test .................................................................................................................................................. 5–38
Steering/Hitch Cylinder Circuit Testing – Hitch Cylinder Test ............................................................ 5–40
Steering/Hitch Cylinder Circuit Testing – Hitch Cylinder Relief Valve (RV2) Pressure
Test .................................................................................................................................................. 5–41
Steering/Hitch Cylinder Circuit Testing – Gear Pump (P4) Flow Test ................................................ 5–43
Attachment/Loader Circuit Testing – Relief Valve Pressure Test....................................................... 5–43
Attachment/Loader Circuit Testing – Gear Pump (P3) Flow Test ...................................................... 5–45
General Precautions for Removing and Installing the Hydraulic System Components...................... 5–49
Checking the Hydraulic Lines and Hoses ......................................................................................... 5–51
Flushing the Hydraulic System......................................................................................................... 5–52
Filtering the Closed-Loop Traction Circuit ........................................................................................ 5–54
Priming the Hydraulic Pumps ........................................................................................................... 5–58
Charging the Hydraulic System........................................................................................................ 5–59
Hydraulic Tank ................................................................................................................................. 5–61
Hydraulic Fluid Cooler...................................................................................................................... 5–63
Tandem Piston (Traction) Pump (P1) and (P2) ................................................................................. 5–64
Tandem Piston (Traction) Pump (P1) and (P2) Service .................................................................... 5–68
Gear Pump (P3) and (P4) ................................................................................................................ 5–70
Gear Pump (P3) and (P4) Service.................................................................................................... 5–72
Axle Motors ...................................................................................................................................... 5–76
Outcross 9060
Page 5–1
Hydraulic System
18234SL Rev B
Содержание 07511AA
Страница 4: ...Reader Comments Page 4 Outcross 9060 18234SL Rev B ...
Страница 18: ...Safety Safety and Instructional Decals Page 1 10 Outcross 9060 18234SL Rev B ...
Страница 38: ...Specifications and Maintenance Special Tools Page 2 20 Outcross 9060 18234SL Rev B ...
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Страница 208: ...Hydraulic System Service and Repairs Page 5 112 Outcross 9060 18234SL Rev B ...
Страница 294: ...Electrical System Service and Repairs Page 6 86 Outcross 9060 18234SL Rev B ...
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