Hyster A917, Service & Repair Manual

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Hydraulic Plate Table of Contents
TABLE OF CONTENTS
General ............................................................................................................................................................... 1
Description and Operation ................................................................................................................................ 2
Hydraulic Oil Supply..................................................................................................................................... 2
Manifold, Section 1 of Hydraulic Plate......................................................................................................... 2
Main Control Valve, Section 2 of Hydraulic Plate ....................................................................................... 2
Description................................................................................................................................................. 2
Operation ................................................................................................................................................... 3
Auxiliary Section................................................................................................................................... 3
Tilt Section ............................................................................................................................................ 3
Lift Section ............................................................................................................................................ 3
Return Manifold, Section 3 of Hydraulic Plate ............................................................................................ 3
Brake Manifold, Section 4 of Hydraulic Plate.............................................................................................. 7
Cooling Circuit........................................................................................................................................... 7
Service Brake............................................................................................................................................. 7
Parking Brake ........................................................................................................................................... 7
Flow Amplifier, Section 5 of Hydraulic Plate ............................................................................................... 7
Manifold, Section 1 of Hydraulic Plate ............................................................................................................. 7
General ........................................................................................................................................................... 7
Valves and Pressure Switches....................................................................................................................... 8
Main Control Valve, Section 2 of Hydraulic Plate............................................................................................ 11
Remove ........................................................................................................................................................... 11
Disassemble ................................................................................................................................................... 11
Auxiliary Section ....................................................................................................................................... 11
Lift Section................................................................................................................................................. 12
Lift/Tilt Section.......................................................................................................................................... 14
Clean and Inspect .......................................................................................................................................... 15
Assemble ........................................................................................................................................................ 15
Auxiliary Section ....................................................................................................................................... 15
Lift Section................................................................................................................................................. 15
Lift/Tilt Section.......................................................................................................................................... 16
Install ............................................................................................................................................................. 16
Return Manifold, Section 3 of Hydraulic Plate ................................................................................................ 17
Remove ........................................................................................................................................................... 17
Disassemble ................................................................................................................................................... 17
Clean and Inspect .......................................................................................................................................... 18
Assemble ........................................................................................................................................................ 18
Install ............................................................................................................................................................. 18
Brake Manifold, Section 4 of Hydraulic Plate .................................................................................................. 19
Remove ........................................................................................................................................................... 19
Clean and Inspect .......................................................................................................................................... 19
Install ............................................................................................................................................................. 19
Flow Amplifier, Section 5 of Hydraulic Plate ................................................................................................... 20
Hydraulic Hose Repair ...................................................................................................................................... 20
Hydraulic Hose Identification ........................................................................................................................... 20
Torque Values ..................................................................................................................................................... 22
Measurements and Adjustments ...................................................................................................................... 23
Measurements ............................................................................................................................................... 23
Adjustments ................................................................................................................................................... 23
Troubleshooting.................................................................................................................................................. 24
Diagrams, Schematics, or Arrangements ......................................................................................................... 26
Figure 13. Hydraulic Schematic............................................................................................................... 28
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