Toro GreensPro 1240 Service Manual page 47

Table of Contents
General Information .............................................................................................................................. 5-2
Transmission/Hydraulic Pump Service and Repair Manuals .............................................................. 5-2
Drive Train Operation......................................................................................................................... 5-3
Hydraulic System Components.......................................................................................................... 5-7
Hydraulic Hoses............................................................................................................................... 5-11
Installing the Hydraulic Hoses and Tubes ........................................................................................ 5-12
Installing the Hydraulic Fittings ........................................................................................................ 5-14
Hydraulic Schematic (GreensPro 1260) .............................................................................................. 5-17
Hydraulic Flow Diagrams..................................................................................................................... 5-18
GreensPro 1260 Traction Circuit...................................................................................................... 5-18
Testing the Hydraulic System .............................................................................................................. 5-20
Testing the Traction Circuit - Hydraulic Pump Charge Pressure Test (GreensPro
1260)................................................................................................................................................ 5-22
Testing the Traction Circuit - Hydraulic Pump Flow and Relief Pressure Test (GreensPro
1260)................................................................................................................................................ 5-25
Adjustments ........................................................................................................................................ 5-29
Adjusting the Control Pedal Return to Neutral Mechanism ............................................................... 5-29
Service and Repairs ........................................................................................................................... 5-35
General Precautions for Removing and Installing the Hydraulic System Components...................... 5-35
Checking the Hydraulic Lines and Hoses ......................................................................................... 5-37
Flushing the Hydraulic System......................................................................................................... 5-38
Filtering the Closed-Loop Traction Circuit (GreensPro 1260) ........................................................... 5-39
Priming the Hydraulic Pump............................................................................................................. 5-41
Charging the Hydraulic System........................................................................................................ 5-42
Hydraulic Tanks................................................................................................................................ 5-43
Transmission (GreensPro 1240) ...................................................................................................... 5-44
Servicing the Transmission (GreensPro 1240)................................................................................. 5-49
Hydraulic Pump (GreensPro 1260) .................................................................................................. 5-51
Servicing the Hydraulic Pump (GreensPro 1260)............................................................................. 5-54
Hydraulic Motor (GreensPro 1260) .................................................................................................. 5-55
Servicing the Hydraulic Motor (GreensPro 1260) ............................................................................. 5-58
Additional Reference Materials
HYDRO−GEAR BDR SERVICE AND REPAIR MANUAL
HYDRO−GEAR P SERIES HYDROSTATIC PUMPS SERVICE AND REPAIR MANUAL
PARKER TORQMOTOR SERVICE PROCEDURE
GreensPro ™ 1240/1260
14211SL Rev A
Hydraulic System
Page 5-1
Chapter 5
Hydraulic System