Service Manual Owner's manual
Table Of Contents
- Section 1. Specifications
- Section 2. General
- Section 3. Chassis & Turntable
- 3.1 Tires & Wheels
- 3.2 Wheel Drive Assembly, 2WD
- 3.3 Drive Motor - 2WD (Prior to S/N 83331)
- 3.4 Drive Motor (S/N 83331 to Present)
- 3.5 Torque Hub
- 3.6 Wheel Drive Assembly, 4WD
- 3.7 Torque Hub (4WD Machines W/ Integral Brake)
- Roll, Leak and Brake Testing
- Tightening and Torquing Bolts
- Main Disassembly
- Input Carrier Disassembly
- Output Carrier Disassembly
- Housing-Spindle Disassembly
- Spindle-Brake Disassembly
- Input Carrier Sub-Assembly
- Output Carrier Sub-Assembly
- Spindle-Brake Sub-Assembly
- Housing-Spindle Sub-Assembly
- DW2B Integral Brake Check
- Main Assembly
- 3.8 Drive Brake, 2WD - Mico (Prior to S/N 83331)
- 3.9 Re-Aligning torque hub input coupling
- 3.10 Oscillating Axle Bleeding Procedure and Lockout Test
- 3.11 Swing Drive Hub
- 3.12 Swing Brake - Mico (Prior to S/N 66417)
- 3.13 Swing Motor (Prior to S/N 66417)
- 3.14 Swing Motor (S/N 66417 to Present)
- 3.15 Procedure For Setting Gear Backlash
- 3.16 Swing Bearing
- 3.17 Rotary Coupling
- 3.18 Generator
- 3.19 Ford EFI Engine
- 3.20 Deutz EMR 2 (S/N 85332 to Present)
- 3.21 GM Engine General Maintenance
- 3.22 GM Engine Dual Fuel System
- Fuel Filter
- Electric Lock Off
- EPR Assembly
- Low Pressure Regulator (LPR)
- Air Fuel Mixer
- Electronic Throttle Control (ETC)
- Engine Control Module
- Heated Exhaust Gas Oxygen Sensor
- Gasoline Multi Point Fuel Injection System (MPFI)
- Gasoline Fuel Pump
- Gasoline Pressure And Temperature Sensor Manifold
- Fuel Filter
- Fuel Injector Rail
- Fuel Injector
- 3.23 GM Engine Fuel System Repair
- Propane Fuel System Pressure Relief
- Propane Fuel System Leak Test
- Propane Fuel Filter Replacement
- Electronic Pressure Regulator (EPR) Assembly Replacement
- Temperature Manifold Absolute Pressure (TMAP) Sensor
- Electronic Throttle Control Replacement
- Mixer Replacement
- Coolant Hose Replacement
- Vapor Hose Replacement
- Engine Control Module Replacement
- Heated Exhaust Gas Oxygen Sensor Replacement
- 3.24 GM Engine LPG Fuel System Diagnosis
- Section 4. Boom & Platform
- Section 5. Hydraulics
- Section 6. JLG Control System
- Section 7. Basic Electrical information & schematics
SECTION 6 - JLG CONTROL SYSTEM
6-52 – JLG Lift – 3121139
Table 6-8. Diagnostic Menu Descriptions
DRIVE
DRIVE FOR … Displays drive joystick direction & demand
STEER … Displays steer switch direction & demand
NOTE: steer demand is inversely proportional to vehicle speed
BRAKES … Displays brake control system status
CREEP … Displays pump pot creep switch status
TWO SPEED... Displays two speed switch status
2 SPEED MODE Displays status of two speed valve
HIGH ENGINE Displays high engine switch status
BOOM
U LIFT UP … Displays lift joystick direction & demand
SWING LEFT … Displays swing joystick direction & demand
LEVEL UP … Displays basket level switch direction & demand
NOTE: demand is controlled by the pump pot
ROT. LEFT … Displays basket rotate switch direction & demand
NOTE: demand is controlled by the pump pot
U TELE IN … Displays telescope switch direction & demand
NOTE: demand is controlled by the pump pot
JIB UP … Displays jib lift switch direction & demand
NOTE: demand is controlled by the pump pot
Not displayed if JIB = NO
JIB LEFT … Displays jib swing switch direction & demand
NOTE: demand is controlled by the pump pot
Not displayed if JIB = NO
PUMP POT … Displays pump pot demand
ENGINE
START … Displays start switch status
AIR FILTER … Displays air filter status
BATTERY … Displays measured battery voltage
COOLANT … Displays coolant temperature
OIL PRS … Displays oil pressure status
FUEL SELECT … Displays selected fuel (Dual Fuel only)
FUEL LEVEL … Displays fuel level status
RPM Displays Engine RPM
GM BATTERY Displays battery voltage at ground module