iv USTC January 15, 2001
TABLE OF CONTENTS (Cont.)
SECTION 7 – HYDRAULICS
Hydraulic System Safety ................................................................................................................ 7-1
Drift Test ......................................................................................................................................... 7-1
Telescope Cylinder .................................................................................................................. 7-1
Lift Cylinder ............................................................................................................................ 7-2
Pressure Testing .............................................................................................................................. 7-2
Main Relief Valve ................................................................................................................... 7-2
Telescope In Relief Valve ....................................................................................................... 7-3
Swing Inlet Relief Valve ......................................................................................................... 7-4
Hoist Relief Valve ................................................................................................................... 7-4
Burst-of-Speed and Telescope Out Relief Valve .................................................................... 7-5
Cylinders ......................................................................................................................................... 7-6
Holding Valves ........................................................................................................................ 7-6
Dissasembly ............................................................................................................................ 7-6
Cleaning and Inspection .......................................................................................................... 7-7
Assembly ................................................................................................................................ 7-8
Control Valve ..........................................................................................................................7-10
Hoist Valve.............................................................................................................................. 7-11
Manifold Valve ........................................................................................................................7-12
Hydraulic Filter .......................................................................................................................7-13
Courtesy of Crane.Market
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