Table of Contents
"3072ES / 3772ES / 3772ES HD" Service & Parts Manual October 2008
Page i
Service Manual
INTRODUCTION ...............................................................................................I
General Safety Tips ............................................................................................... III
Hydraulic System ............................................................................................... IV
Electrical System................................................................................................ IV
Total System....................................................................................................... IV
Primary Machine Components .............................................................................. V
Primary Machine Components: Compartments.................................................. VI
Primary Machine Components Locator .............................................................. VII
Specifications: ANSI Models ................................................................................ IX
Specifications: CE Models .................................................................................... IX
LUBRICATION ......................................................................................................... X
SECTION 1
HYDRAULICS ...............................................................................................1-1
Hydraulic Fluid..................................................................................................... 1-2
Hydraulic System components .......................................................................... 1-4
Wheel Drive .......................................................................................................... 1-4
Parking Brake and Towing Circuit .................................................................... 1-11
Emergency Systems And Procedures ............................................................. 1-12
Steering Circuit .................................................................................................. 1-13
Platform Lift Circuit ........................................................................................... 1-14
Optional Outriggers........................................................................................... 1-16
Cylinder Repair .................................................................................................. 1-17
Hydraulic Manifold............................................................................................. 1-20