Yale 524150797

©2015 Yale Materials Handling Corp.
TABLE OF CONTENTS
General ..................................................................................................................................................................... 1
Special Precautions .................................................................................................................................................. 1
Operation .................................................................................................................................................................. 2
Lifting a Load ........................................................................................................................................................2
Lowering a Load ...................................................................................................................................................4
Hydraulic Lines .....................................................................................................................................................4
Hydraulic Oil ......................................................................................................................................................... 4
Clean .................................................................................................................................................................... 4
Sound Level ..........................................................................................................................................................4
Hydraulic Unit ............................................................................................................................................................5
Remove ................................................................................................................................................................ 5
Install .................................................................................................................................................................... 5
Hydraulic Pump ........................................................................................................................................................ 6
Remove ................................................................................................................................................................ 6
Install .................................................................................................................................................................... 6
Hydraulic Pump Reservoir ........................................................................................................................................ 9
Remove ................................................................................................................................................................ 9
Install .................................................................................................................................................................... 9
Hydraulic Cylinder ...................................................................................................................................................10
Remove .............................................................................................................................................................. 10
Repacking ...........................................................................................................................................................10
Install .................................................................................................................................................................. 11
Relief Valve Adjustment ..........................................................................................................................................12
Relief Valve Pressure Check ..............................................................................................................................12
Relief Valve Adjust ............................................................................................................................................. 13
Troubleshooting ...................................................................................................................................................... 14
Lift Assemblies ................................................................................................................................................... 14
Hydraulic Cylinders .............................................................................................................................................14
Hydraulic Pump .................................................................................................................................................. 15
This section is for the following models:
(MP20) [A249];
(MPB045VG) [A245]
Table of Contents
i