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JLG 3394RT, 4394RT Scissor Lift Service Manual

228 pages · Publication 3121133

$69.69
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Models
3394RT, 4394RT
Serial coverage
0200191606, Exclude Serial Number Range: 0200186972, 0200187002, 0200187013
Manual type
Service Manual
Pages
228
Publication
3121133
Condition
Brand new
JLG 3394RT, 4394RT Scissor Lift Service Manual, publication 3121133

What's inside

From the manual's own table of contents: 176 sections, 235 entries. See sample pages (PDF, 640 KB)

General
Hydraulic System Safety
Maintenance59 topics
  • Specifications
  • Capacities
  • Engines
  • Tires
  • Machine Dimensions
  • Pressure Settings
  • Serial Number Locations
  • Sensors
  • Cylinder Specifications
  • Major Component Weights
  • Critical Stability Weights
  • Lubrication Specifications
  • Operator Maintenance
  • Torque Charts
  • Machine Preparation, Inspection, and Maintenance
  • Service and Guidelines
  • Lubrication and Information
  • Cylinder Drift Test
  • Pins and Composite Bearing Repair Guidelines
  • Preventive Maintenance and Inspection Schedule
  • Operating Characteristics
  • Calibrations
  • Level Sensor and Analyzer Connections
  • Integrated Torque/drive hub
  • Dual Fuel/LPG System
  • Ford EFI Engine
  • Generator - Ford Engine
  • Generator - Duetz Engine
  • GM Engine General Maintenance
  • Generator - GM Engine
  • GM Engine Dual Fuel System
  • GM Engine Fuel System Repair
  • GM Engine LPG Fuel System Diagnosis
  • Joystick Controller
  • Cylinders - Theory of Operation
  • Valves - Theory of Operation
  • Component Functional Description
  • Cylinder Checking Procedure
  • Cylinder Repair
  • Drive Pump Start-up Procedure
  • TABLE OF CONTENTS Hydraulic Component Start-Up Procedures and Recommendations
  • Hydraulic Gear Pump
  • Main Valve
  • Drive Header Valve (2WD)
  • Drive Header Valve (4WD)
  • Header Valves (4WD)
  • dIRECTIONAL vALVE
  • pOWER dECK sANDWICH vALVE
  • Power Deck Manifold Valve
  • Hydraulic Pump
  • Cylinder Assemblies
  • Hand Held Analyzer
  • Flash Codes and Descriptions
  • General
  • Multimeter Basics
  • Applying Silicone Dielectric Compound To Amp Connectors
  • Working With Deutsch Connectors
  • Switches
  • Schematics
Serial Number Location
Operator Maintenance and Lubrication Diagram
Filter Lock Assembly
Torque Chart (SAE Fasteners - Sheet 1 of 3)
Torque Chart (SAE Fasteners - Sheet 2 of 3))
Torque Chart (SAE Fasteners - Sheet 3 of 3)
Torque Chart (METRIC Fasteners - Sheet 1 of 3)
Torque Chart (METRIC Fasteners - Sheet 2 of 3))
Torque Chart (METRIC Fasteners - Sheet 3 of 3)
Engine Operating Temperature Specifications - Deutz
Engine Operating Temperature Specifications - Ford
Engine Operating Temperature Specifications - GM
Limit Switch Location
Level Sensor and Analyzer Connections
Tilt Sensor Location
Tilt Sensor Removal
Integrated Torque/Drive Hub
Drive Motor/Hub Assembly
Drive Hub Assembly
EFI Component Location
Typical Fuel System
Show all 176 sections
Generator (Ford Engine)
EMR 2 Engine Side Equipment
Deutz EMR 2 Troubleshooting Flow Chart
Deutz EMR 2 Vehicle Side Connection Diagram
Deutz EMR 2 Engine Side Connection Diagram - Sheet 1 of 2
Deutz EMR 2 Engine Side Connection Diagram - Sheet 2 of 2
EMR 2 Engine Plug Pin Identification
EMR 2 Vehicle Plug Pin Identification
EMR2 Fault Codes - Sheet 1 of 5
EMR2 Fault Codes - Sheet 2 of 5
EMR2 Fault Codes - Sheet 3 of 5
EMR2 Fault Codes - Sheet 4 of 5
EMR2 Fault Codes - Sheet 5 of 5
Generator (Deutz Engine)
Engine Oil Dip Stick
Generator (GM Engine)
Electric Fuel Lock Off
EPR Assembly
Low Pressure Regulators
Air Fuel Mixer
ETC throttle control device
LPG Engine Control Unit (ECM)
ECM Assembly
Heated Exhaust Gas Oxygen Sensor (HEGO)
Gasoline Fuel Pressure and Temperature Manifold Assembly
Pressure Regulator Section
(TMAP) Sensor & Electronic Throttle Control (ETC)
Mixer Assembly
Joystick Controller - (JLG P/N 1600308)
Joystick Controller - (JLG P/N 1600403)
Lift Cylinder Holding Valve and Fitting Removal
Cylinder Barrel Support
Lift Cylinder Cap Screw Removal
Cylinder Rod Support
Tapered Bushing Removal
Bushing Installation
Rod Seal Installation
Poly-Pak Piston Seal Installation
Wiper Seal Installation
Installation of Head Seal Kit
Piston Seal Kit Installation
Tapered Bushing Installation
Seating the Tapered Bearing
Rod Assembly Installation
Main Valve Torque Values
Main Valve Hydraulic Schematic
Drive Header Valve (2wd)
Drive Header Valve (4wd)
Header Valve (Fix)
Header Valve (Osc)
Directional Valve
Power Deck Sandwich Valve (Dual Deck Extension Only)
Power Deck Manifold Valve
Pump Pressure Locations
Auxiliary Pump Motor
Steer Cylinder - Prior to S/N 137518
Steer Cylinder - S/N 137518 to Present
Lift Cylinder
Lift Cylinder Valve Cartridge Torque Values
Oscillating Axle Cylinder
Oscillating Axle Valve Cartridge Torque Values
Leveling Jack Cylinder
Deck Extension Cylinder
Oscillating Axle Bleeding
Hand Held Analyzer
Analyzer Connection
Analyzer Flow Chart - SW P1.X - Sheet 1 of 3
Analyzer Flow Chart - SW P1.X - Sheet 2 of 3
Analyzer Flow Chart - SW P1.X - Sheet 3 of 3
Voltage Measurement (DC)
Resistance Measurement
Continuity Measurement
Current Measurement (DC)
AMP Connector
Connector Assembly (1 of 4)
Connector Assembly (2 of 4)
Connector Assembly (3 of 4)
Connector Assembly (4 of 4)
Connector Disassembly
Connector Installation
DT/DTP Contact Installation
DT/DTP Contact Removal
HD/HDP Contact Installation
HD/HDP Locking Contacts Into Position
HD/HDP Contact Removal
HD/HDP Unlocking Contacts
Electrical Schematic - Dual Fuel - Sheet 1 of 3
Electrical Schematic - Dual Fuel - Sheet 2 of 3
Electrical Schematic - Dual Fuel - Sheet 3 of 3
Electrical Schematic Diesel (Prior to S/N 138634) - Sheet 1 of 3
Electrical Schematic Diesel (Prior to S/N 138634) - Sheet 2 of 3
Electrical Schematic Diesel (Prior to S/N 138634) - Sheet 3 of 3
Electrical Schematic - Dual Fuel GM - Sheet 1 of 5
Electrical Schematic - Dual Fuel GM - Sheet 2 of 5
Electrical Schematic Dual Fuel - GM - Sheet 3 of 5
Electrical Schematic Dual Fuel - GM - Sheet 4 of 5
Electrical Schematic Dual Fuel - GM - Sheet 5 of 5
Electrical Schematic Diesel (S/N 138634 to Present) - Sheet 1 of 3
Electrical Schematic Diesel (S/N 138634 to Present) - Sheet 2 of 3
Electrical Schematic Diesel (S/N 138634 to Present) - Sheet 3 of 3
Hydraulic Schematic 4WD - Sheet 1 of 4
Hydraulic Schematic 4WD - Sheet 2 of 4
Hydraulic Schematic 4WD - Sheet 3 of 4
Hydraulic Schematic 4WD - Sheet 4 of 4
Hydraulic Schematic 2WD - Sheet 1 of 4
Hydraulic Schematic 2WD - Sheet 2 of 4
Hydraulic Schematic 2WD - Sheet 3 of 4
Hydraulic Schematic 2WD - Sheet 4 of 4
Hydraulic Diagram - (2WD)
Hydraulic Diagram - (4WD)
Hydraulic Diagram - (Leveling Jacks)
Hydraulic Diagram - Deck Extension (Single)
Hydraulic Diagram - Deck Extension (Dual)
Hydraulic Diagram - Deck Extension (Dual Megadeck)
Electrical Components Installation - Sheet 1
Electrical Components Installation - Sheet 2
Operating Specifications
Capacities
Ford LRG-425 Specifications
Deutz F3M2011 Specifications
GM 3.0L Specifications
Tire Specifications
Pressure Settings
High Drive Cut-Out Height
Tilt Sensor Indicators
Cylinder Specifications
Major Component Weights
Critical Stability Weights
Hydraulic Oil
Mobil DTE 13M Specs
Mobil EAL 224H Specs
Inspection and Maintenance
Cylinder Drift
Preventive Maintenance and Safety Inspection
Tilt Sensor Harness Chart
Tilt Sensor Harness
Torque/Drive Hub Specs
Gearbox Maintenance Schedule
ECM Diagnostic Trouble Codes
Generator Specifications
LPF Fuel System Diagnosis
Joystick Specifications
Joystick Plug Loading Chart
Symptom Diagnosis
DTC to SPN/FMI Cross Reference Chart
Cylinder Piston Nut Torque Specifications
Holding Valve Torque Specifications
Pump Pressure
Fault Code Listing - Software P1.X
Machine Model Adjustment
Machine Configuration Programming Information
Machine Tilt Configuration

Inside this manual

Real pages from this service manual (228 pages). Open the sample pages (PDF, 638 KB)

Sample pages from the JLG 3394RT, 4394RT Scissor Lift Service Manual: Specifications, Troubleshooting, Diagram, Color page, Color page
  • Specifications, page 12: SECTION 1 - SPECIFICATIONS
  • Troubleshooting, page 114: Table 3-14. Symptom Diagnosis
  • Diagram, page 192: SECTION 6 - GENERAL ELECTRICAL INFORMATION & SCHEMATICS
  • Color page, page 47: SECTION 3 - CHASSIS & SCISSOR ARMS
  • Color page, page 105: SECTION 3 - CHASSIS & SCISSOR ARMS

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the 3394RT, 4394RT are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Service Manual 3121133$69.69
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This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 228 pages

Quantity one is the manual described above.

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Ships in 1 business day.

60-day returns

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Other editions and similar models

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).