Southworth Products
DDL Dock Lift Manual
2
Contents
1.1 Responsibilities of Owner and Users.................................................................................. 4
1.2 Responsibilities of Operators .............................................................................................. 5
4.1 External Power Unit .............................................................................................................. 9
4.2 Pit Installation........................................................................................................................ 9
4.3 Typical Pit Plan .................................................................................................................... 10
4.4 Recommended Pad Plan .....................................................................................................11
4.5 Alternative Pad Plan ........................................................................................................... 12
4.6 General Installation ............................................................................................................. 13
6.1 Maintenance Devices .......................................................................................................... 16
6.2 Periodic Maintenance ......................................................................................................... 17
6.3 Relieving Hydraulic Pressure ............................................................................................ 18
6.4 Replacement Parts .............................................................................................................. 19
7 Troubleshooting .......................................................................................................................... 19
8 Electrical Information .................................................................................................................. 21
8.1 Wiring Schematic ................................................................................................................ 21
8.2 Control Panel ....................................................................................................................... 22
Hydraulic Fluid Specifications
........................................................................................... 23