Yale B827

Walkie Hydraulic Systems Table of Contents
TABLE OF CONTENTS
General................................................................................................................................................................ 1
Operation............................................................................................................................................................. 1
Lifting a Load................................................................................................................................................... 1
Lowering a Load.............................................................................................................................................. 1
Hydraulic Lines................................................................................................................................................ 1
Hydraulic Oil.................................................................................................................................................... 2
Cleanliness...................................................................................................................................................... 2
Sound Level .................................................................................................................................................... 3
Hydraulic Unit ...................................................................................................................................................... 4
Remove........................................................................................................................................................... 4
Special Precautions ........................................................................................................................................ 4
Install............................................................................................................................................................... 4
Hydraulic Pump ................................................................................................................................................... 5
Remove........................................................................................................................................................... 5
Install............................................................................................................................................................... 5
Hydraulic Pump Reservoir................................................................................................................................... 7
Remove........................................................................................................................................................... 7
Install............................................................................................................................................................... 7
Hydraulic Cylinder ............................................................................................................................................... 8
Remove........................................................................................................................................................... 8
Repacking ....................................................................................................................................................... 9
Install............................................................................................................................................................... 9
Relief Valve Adjustment....................................................................................................................................... 10
Relief Valve Pressure Check........................................................................................................................... 10
Relief Valve Adjust .......................................................................................................................................... 11
Troubleshooting ................................................................................................................................................... 12
Lift Assemblies ................................................................................................................................................ 12
Hydraulic Cylinders ......................................................................................................................................... 12
Hydraulic Pump............................................................................................................................................... 13
This section is for the following models:
MPB040E [B827];
MPW045-E [B802];
MPW050-E [C802]
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