SECTION V
Hydraulic System
(FOR OPERATION OF SCREED LIFT & HOPPER WINGS)
TABLE OF CONTENTS
Paragraph
Subject
Page
(1)
Hydraulic System - General Description ............................................................. 33
(2)
Fluid Level ......................................................................................................... 33
(3)
Inspection For Leakage ...................................................................................... 34
(4)
Filter Element Change ....................................................................................... 34
(5)
Filter Condition Gauge ....................................................................................... 34
(6)
Hydraulic Fluid Change ...................................................................................... 34
(7)
Hydraulic Pump.................................................................................................. 34
(8)
Toggle Switches and Electrical Connections ...................................................... 35
(9)
Solenoid Valves - General.................................................................................. 36
(10)
Solenoid Coil Testing By Substitution................................................................. 36
(11)
Manual Testing Of Solenoid Valve ..................................................................... 37
(12)
Preparation For Dismantling Valve Bank............................................................ 38
(13)
Dismantling Valve Bank ..................................................................................... 38
(14)
Dismantling Solenoid Valve ............................................................................... 38
(15)
Hydraulic Holding Valve ..................................................................................... 40
(16)
Pressure Relief Valve......................................................................................... 40
(17)
Throttle Valve .................................................................................................... 41
(18)
Hydraulic Cylinders ............................................................................................ 41
(19)
Screed Lift Cables.............................................................................................. 43
(20)
Hose and Tube Id6ntification.............................................................................. 43
(21)
Hose Assembly .................................................................................................. 43
(22)
Hose Couplings.................................................................................................. 44
Hydraulic Throttle Shooting Chart...................................................................44 & 45
Schematic Diagram - Paver Hydraulic System ................................................... 46
Page 31
