Gehl GE 802 Crawler Excavator Repair Service Manual

Table of Content of the Gehl GE 802 Excavator Manual:

A Technical data
Dimensions …………………………………………………………………………………………………….. A2
Bucket and Geometry……………………………………………… ………………………………….. A4
Lift Capacity Chart …………………………………………………………………………………………….. A6
Hydraulic System …………………………………………………………………………………………….. A8
Diesel Engine Specifications …………………………………………………………………………….. A10
B Maintenance
Maintenance Chart ……………………………………………………………………………………………. B2
Maintenance General ……………………………………………………………………………………….. B5
Lubricants ……………………………………………………………………………………………………….. B6
Lubrication Chart (points)…………………………………………………………………………………… B8
Hydraulic System …………………………………………………………………………………………….. B9
Hydraulic Pump ……………………………………………………………………………………………….. B18
Hose Burst Protection Valve……………………………………………………………………………… B19
Drive Unit ………………………………………………………………………………………………………… B19
Swivel Unit ………………………………………………………………………………………………………. B20
Diesel Engine …………………………………………………………………………………………………. B21
Undercarriage …………………………………………………………………………………………………. B31
Hydraulic Oil Tank ……………………………………………………………………………………………. B32
Fuel Tank………………………………………………………………………………………………………… B34
C Hydraulic
Hydraulic System / Diagrams. …………………………………………………………………………… C2
Position of Components …………………………………………………………………………………… C5
Hydraulic Pump ……………………………………………………………………………………………….. C8
Pilot Oil Supply Unit …………………………………………………………………………………………. C16
Main Valve Block …………………………………………………………………………………………….. C22
Second Valve Block ………………………………………………………………………………………… C48
Pilot Control Valves …………………………………………………………………………………………. C51
Swivel Unit ………………………………………………………………………………………………………. C57
Shuttle Valves (swivel motor brake)…………………………………. ……………………………. C64
Drive Unit ………………………………………………………………………………………………………… C65
Swivel Joint …………………………………………………………………………………………………….. C68
Switch Valve ……………………………………………………………………………………………………. C69
Load Lowering Valve ……………………………………………………………………………………….. C70
Hydraulic Oil Tank ……………………………………………………………………………………………. C71
D Diesel Engine
Diesel Engine Specifications …………………………………………………………………………….. D2
E Electrical
Electrical Wiring Diagram (up to serial number AB00473) ……………………………………… E2
Relay Position …………………………………………………………………………………………………. E6
Solenoid Stop …………………………………………………………………………………………………. E7
Glow Control Lamp Relay Plug ………………………………………………………………………….. E8
Fuse Box………………………………………………………………………………………………………… E9
Electrical Wiring Diagram (from serial number AB00473) ………………………………………. E12
Armrest Connections………………………………………………………………………………………… E14
F Operating Elements
Component Designation …………………………………………………………………………………… F2
Joystick Consoles Component Designation……………………………………………… …… F5
Joystick Functions …………………………………………………………………………………………… F7
Auxiliary Hydraulics / Arm Swing ……………………………………………………………………….. F9
Lifting the Excavator …………………………………………………………………………………………. F10

This Service Manual is intended for Gehl GE 802 Excavator so as to give the owner/operator assistance in preparing, adjusting, maintaining and servicing the machine. More importantly, this manual provides an operating plan for safe and proper use of the machine. Major points of safe operation are
detailed in Chapter 2 – Safety. Read and understand the contents of this manual completely and become familiar with the machine before
attempting to operate it..

Throughout this manual, information is introduced by the word NOTE or IMPORTANT. Be sure to read the message carefully and comply with the message. Following this information will improve operating and maintenance efficiency, help to avoid breakdown and damage and extend the service life of the machine.