Walkie Hydraulic Systems Table of Contents
TABLE OF CONTENTS
General ............................................................................................................................................................... 1
Description of Operation.................................................................................................................................... 1
Lifting a Load................................................................................................................................................. 2
Lowering a Load ............................................................................................................................................ 2
Hydraulic Lines ............................................................................................................................................. 2
Hydraulic Oil ................................................................................................................................................. 2
Clean .............................................................................................................................................................. 5
Sound Level.................................................................................................................................................... 5
Special Precautions............................................................................................................................................ 5
Hydraulic Reservoir........................................................................................................................................... 7
Description ..................................................................................................................................................... 7
Drive Unit Compartment Covers...................................................................................................................... 7
C60Z, C80Z, C60Z
AC
,andC80Z
AC
................................................................................................................ 7
Remove....................................................................................................................................................... 7
Install......................................................................................................................................................... 7
B60Z, B80Z, B60Z
AC
,B80Z
AC
, W60Z, W65Z, and W80Z............................................................................. 8
Remove....................................................................................................................................................... 8
Install......................................................................................................................................................... 9
Lift Pump and Motor ......................................................................................................................................... 10
General........................................................................................................................................................... 10
Remove ........................................................................................................................................................... 10
Lift Pump and Motor Assembly................................................................................................................ 10
Disassemble ................................................................................................................................................... 11
Remove Reservoir...................................................................................................................................... 11
Remove Pump Motor................................................................................................................................. 13
B60Z, B60Z
AC
,C60Z,C60Z
AC
, and W60Z............................................................................................ 13
B80Z, B80Z
AC
,C80Z,C80Z
AC
, W65Z, and W80Z ................................................................................ 13
Disassemble Pump .................................................................................................................................... 13
B60Z, B60Z
AC
,C60Z,C60Z
AC
, and W60Z............................................................................................ 13
B80Z, B80Z
AC
,C80Z,C80Z
AC
, W65Z, and W80Z ................................................................................ 13
Assemble ........................................................................................................................................................ 15
Assemble Pump ......................................................................................................................................... 15
B60Z, B60Z
AC
,C60Z,C60Z
AC
, and W60Z............................................................................................ 15
B80Z, B80Z
AC
,C80Z,C80Z
AC
, W65Z, and W80Z ................................................................................ 15
Install Pump Motor ................................................................................................................................... 15
Install Reservoir to Pump......................................................................................................................... 16
Install ............................................................................................................................................................. 16
Lift Pump and Motor Assembly................................................................................................................ 16
Valve Repair ....................................................................................................................................................... 17
Lowering Valve .............................................................................................................................................. 17
Remove....................................................................................................................................................... 17
Install......................................................................................................................................................... 17
Relief Valve .................................................................................................................................................... 18
B60Z, B60Z
AC
,C60Z,C60Z
AC
, and W60Z ................................................................................................ 18
Remove .................................................................................................................................................. 18
Install..................................................................................................................................................... 18
B80Z, B80Z
AC
,C80Z,C80Z
AC
, W65Z, and W80Z .................................................................................... 19
Remove .................................................................................................................................................. 19
Install..................................................................................................................................................... 19
Check Valve.................................................................................................................................................... 19
B80Z, B80Z
AC
,C80Z,C80Z
AC
, W65Z, and W80Z .................................................................................... 19
©2008 HYSTER COMPANY i
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