Mec 3072RT, Service Manual

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Table of Contents
March 2008 "3072RT / 3772RT / 3772RT HD" Service & Parts Manual - ANSI Specifications
Page ii
SECTION 2:
ELECTRICAL SYSTEM ........................................................................... 2-1
Electrical System - General ................................................................................ 2-2
Deutsch Connectors ............................................................................................ 2-3
Battery .................................................................................................................. 2-4
Battery Preventative Maintenance: ................................................................... 2-5
Battery Replacement ........................................................................................ 2-6
Alarms and Switches .......................................................................................... 2-7
Tilt Alarm .......................................................................................................... 2-8
Relays .............................................................................................................. 2-9
Limit Switch ....................................................................................................... 2-10
Optional Outriggers Switches .......................................................................... 2-10
Continuity Checks ............................................................................................. 2-11
SECTION 3:
MECHANICAL COMPONENTS ............................................................... 3-1
Torque Specifications ......................................................................................... 3-2
Mechanical Components .................................................................................... 3-3
Base/ Undercarriage ........................................................................................ 3-3
Raising the Machine ......................................................................................... 3-3
Tires ................................................................................................................. 3-4
Drive Motors ..................................................................................................... 3-5
Steer Cylinder .................................................................................................. 3-6
Hoses and Cables ............................................................................................ 3-7
Platform Removal ............................................................................................. 3-7
Lift Cylinder Removal and Installation .............................................................. 3-8
Scissor Beam Assembly ................................................................................... 3-8
Engine Maintenance ............................................................................................ 3-9
Diesel Engine ................................................................................................... 3-9
Gasoline and Dual Fuel Engine ...................................................................... 3-12
Outrigger Function ............................................................................................ 3-14
Outrigger Calibration ...................................................................................... 3-15
GP106 Outrigger Control Module Troubleshooting ......................................... 3-17
Outrigger Module GP106 LED Flash Codes .................................................. 3-18