Description
GEHL V400 MUSTANG 4000V Service Manual
GEHL Skid-Steer Loaders V400 Mustang 4000V Service Manual 50950064
General Information
Lubrication
Mainframe
TABLE OF CONTENTS
Specifications Page
SPECIFICATIONS
Safety Page
General Information
GEHL V400 MUSTANG 4000V Signal Words
Additional Safety Reminders
Mandatory Safety Shutdown Procedure
Lift Arm Support Device
Lift Arm Support Device Engagement
Lift Arm Support Device Disengagement
ROPS/FOPS – Raising
ROPS/FOPS – Lowering
Relieving Hydraulic Pressure – T-Bar Controls – Lift/Tilt/Auxiliary
Relieving Hydraulic Pressure – Dual Joystick and Hand/Foot Controls – Lift/Tilt/Auxiliary
Loader Raising Procedure
Loader Lowering Procedure
Lubrication Page
General Information
Hydraulic Oil Reservoir
Crankcase Oil
Chaincases
Grease Fitting Locations
Cooling System Drain Procedure
Mainframe Page
Introduction
Mainframe (Chassis) and Rear Grille Components
Engine Cover Components
Engine Access Cover – Removal and Installation
Roll-Over and Falling Object Protective Structure Components – ROPS/FOPS
ROPS/FOPS Removal and Installation
Seat Removal and Installation
Seat Slide Replacement
Side Console Removal and Installation
Non-HVAC Assembly – ROPS/FOPS
HVAC Assembly – ROPS/FOPS
Air Duct Louver Replacement
ROPS/FOPS Rear Window Removal and Installation
Restraint Bar Components
Restraint Bar Removal and InstallationTABLE OF CONTENTS GEHL V / MUSTANG V
PRINTED IN USA
GEHL V400 MUSTANG 4000V Service Manual
All-Tach® Hitch Components
Actuator Group Components – All-Tach® Hitch
Power-A-Tach® Components
All-Tach® and Power-A-Tach® Hitch Removal and Installation
Lift Arm Components
Lift Arm Removal and Installation
Rear Link Removal and Installation
Timing Link Removal and Installation
Lift Arm, Rear Link, Hose Pivot and Timing Link Bushing Replacement
Control Cover Components – Hand/Foot
GEHL V400 MUSTANG 4000V Control Cover Components – Dual Joystick
Control Cover Components – T-Bar
Control Console Removal and Installation
Floor Plate, Battery Access Cover and Kickplate Cover Removal and Installation
Crossmember Removal and Installation
Rear Bumper Removal and Installation
Fuel Tank Removal and Installation
Fuel Sensor Removal and Installation
Rear Grille Removal and Installation
Rear Grille Latch Removal and Installation
Wheel Drives Page
Introduction
Wheel Drive Components
Drive Chain Adjustment
Axle Housing Assembly Removal and Installation
Drive Chain Removal and Installation
Axle Assembly Components
Axle and Wheel Bearing Disassembly and Assembly
Controls Page
Introduction
Control Locations – Dual Joystick and Hand/Foot Controls
Control Locations – T-Bar Controls
Wheel Drive Components – T-Bar Controls
Wheel Drive Components – Dual Joystick Controls
Wheel Drive Components – Hand/Foot Controls
Lift and Tilt Components – T-Bar Controls
Lift and Tilt Components – Dual Joystick Controls
Lift and Tilt Components – Hand/Foot Controls
Control Handle Assembly (Both Control Handles) Removal and Installation
Control Handle Removal and Installation – Electrical Auxiliary Grip – Dual Joystick and Hand/Foot Controls
Control Handle Removal and Installation – T-Bar Controls
T-Bar Control Handle Assembly
Dual Joystick and Hand/Foot Control Handle Assembly
Pivot Tube Removal and Installation, Disassembly and Assembly – T-Bar Controls
Control Handle Position Adjustment – T-Bar Controls
Control Handle Tracking Adjustment
Neutral Centering Test and AdjustmentGEHL V / MUSTANG V TABLE OF CONTENTS
PRINTED IN USA
Lift/Tilt Control Removal and Installation
Lift/Tilt Control Adjustment – T-Bar Controls
Electrical Foot Throttle Components – Dual Joystick and T-Bar Controls
Electrical Foot Throttle Removal and Installation – T-Bar and Dual Joystick Controls
Electrical Auxiliary Hydraulics Foot Pedal – T-Bar Controls
Electrical Auxiliary Hydraulics Foot Pedal Removal and Installation – T-Bar Controls
GEHL V400 MUSTANG 4000V Hydrostatic System Page
Introduction
Hydrostatic Components – Two-Speed – Dual Joystick and Hand/Foot Controls
Hydrostatic Components – Two-Speed – T-Bar Controls
Charge Pressure Test and Adjustment
Hydrostatic Pump Relief Valves
Hydrostatic Pump Removal and Installation
Hydrostatic Pump Drive Coupling Removal and Installation
Drive Motor Removal and Installation
Troubleshooting Guide
Hydrostatic/Hydraulic Schematic – Dual Joystick Controls
Hydrostatic/Hydraulic Schematic – Hand/Foot Controls
Hydrostatic/Hydraulic Schematic – T-Bar Controls
Hydraulic System Page
Introduction GEHL V400 MUSTANG 4000V Service Manual
GEHL Skid-Steer Loaders V400 Mustang 4000V Service Manual
GEHL V400 MUSTANG 4000V Service Manual
Troubleshooting Guide
Hydraulics – Standard Chassis Components – Dual Joystick and Hand/Foot
Hydraulics – Standard Chassis Components – T-Bar
Hydraulics – High-Flow Chassis Components – Dual Joystick and Hand/Foot
Hydraulics – High-Flow Chassis Components – T-Bar
Hydraulics – Standard Auxiliary Lift Arm Components
Hydraulics – High-Flow Auxiliary Lift Arm Components
Hydraulics – Hydraglide™ Components
Pressure and Load-Sense Check, Test and Adjustment
Tilt Cylinder Test
Tilt Circuit Spool Leakage Test
Self-Leveling Valve Test
Lift Cylinder Test
Lift Circuit Spool Leakage Test
Solenoid Valve Test – Joystick Drive Supply, All-Tach/Fan, Brake/Two-Speed, Safety Locks – Ride Control
Hydraulic Oil Filter Element Replacement
Lift Cylinder Components
Tilt Cylinder Components
Tilt Cylinder Removal and Installation
Lift Cylinder Removal and Installation
Lift/Tilt Cylinder Disassembly / Assembly
Auxiliary Pump Removal and Installation
Load-Sense Axial Piston Pump Removal and Installation
Self-Leveling Valve Removal and Installation
Self-Leveling Valve AdjustmentTABLE OF CONTENTS GEHL V / MUSTANG V
PRINTED IN USA
Brake/Two-Speed and Safety Lock Solenoid Valves – Removal and Installation
Joystick Drive Supply, All-Tach/Fan and Hydraglide™ Ride Control Solenoid
Valves – Removal and Installation
Lift/Tilt, Joystick Drive Supply, Brake/Two-Speed, All-Tach/Fan and
Hydraglide™ Ride Control Solenoid Valves – Disassembly and Assembly
Main Control Valve Components – Standard
Main Control Valve Components – High-Flow
Control Valve Removal and Installation
Control Valve Disassembly and Assembly
Control Valve Solenoid Removal and Installation
Inlet Relief Valve and Drain Orifice Removal and Installation
Hydraulic Oil Reservoir Removal and Installation
Hydraglide™ Ride Control Accumulator Removal and Installation
Fan and Fan Motor Removal and Installation
GEHL V400 MUSTANG 4000V Electrical System Page
Introduction
GEHL V400 MUSTANG 4000V Description of Operation – Right and Left Instrument Panels
GEHL V400 MUSTANG 4000V Troubleshooting Guide
Electrical Chassis Components
Electrical ROPS/FOPS Components
Power Distribution Panel Test and Operation
Interlock Control Module Test
Interlock Control Module Truth Table
Two-Speed, Ride Control and Float Module Test
Two-Speed, Ride Control and Float Module Truth Table
High-Flow Controller Module Test
Fan Control/Power-A-Tach® Module Test
GEHL V400 MUSTANG 4000V Fan Control Module Truth Table
GEHL V400 MUSTANG 4000V Control Handle Actuation Buttons – Two-Speed and Ride Control and Float Module
Electrically-Controlled Standard Auxiliary Hydraulic Flow System Test and Operation
Engine Throttle Test and Operation
Seat Switch Removal and Installation
Electrical Lights Components
Restraint Bar Components
Restraint Bar Switch Removal and Installation
Master Disconnect Switch – Remote Battery Terminal Removal and Installation
Front and Rear Work Light Bulb Replacement
Dome Light Bulb Replacement
Information Center Electronic Display Removal and Installation
Information Center Electronic Display – The Display Modes
Electrical Heater Schematic
Electrical HVAC Schematic
Electrical -Pin Auxiliary Schematic
Electrical Chassis Schematic
Electrical ROPS/FOPS Schematic GEHL V / MUSTANG V TABLE OF CONTENTS
PRINTED IN USA
Engine Page
Introduction
GEHL V400 MUSTANG 4000V Troubleshooting Guide
GEHL V400 MUSTANG 4000V Engine Components
Air Cleaner and Exhaust Components
Radiator/Cooler Components
Pre-Cleaner Assembly Components
Oil Filter Element Removal and Installation
Air Cleaner Assembly Removal and Installation
Air Filter Element Removal and Installation
Batteries Removal and Installation
Starter Removal and Installation
Exhaust Assembly Removal and Installation
Alternator Belt Adjustment
Radiator/Cooler Removal and Installation
Charge Air Cooler Removal and Installation
Fan Shroud Removal and Installation
Fan Adjustment
Engine Removal and Installation
Engine Diagnostic Chart
Cummins QSB Engine Diagnostic Fault Code
