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Oshkosh Corporation JLG E400A Narrow - User Manual

Oshkosh Corporation JLG E400A Narrow
118 pages
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ANSI
®
Operation and Safety Manual
Original Instructions - Keep this manual with the machine at all times.
Boom Lift Models
E400A
E400A Narrow
E400AJP
E400AJP Narrow
M400A
M400A Narrow
M400AJP
M400AJP Narrow
3121215
January 7, 2013

Table of Contents

Questions and Answers

  • A
    amandamosleyAug 15, 2025
    What to do if my Oshkosh Corporation JLG E400A Narrow shows high engine temp?
    • E
      Eddie JacksonAug 15, 2025
      If your Oshkosh Corporation Boom Lifts engine temperature is high, check for any obstructions that might be blocking the cooling airflow to the engine. Also, make sure the ambient temperature is within the engine's design limits. Finally, verify that the engine temperature sensor is working correctly.
  • K
    Kevin MerrittAug 19, 2025
    What to do if Oshkosh Corporation JLG E400A Narrow unit is off or disabled and the engine will not crank?
    • E
      Erica HodgesAug 19, 2025
      If your Oshkosh Corporation Boom Lifts unit is off or disabled and the engine won't crank, check the position of the selector switch and ensure the inhibit run is released. Check the warning LED and address any faults before restarting the RBS. Verify the start battery voltage, check the control fuse, and inspect for loose wiring or connections.
  • Z
    zfletcherAug 22, 2025
    What to do if my Oshkosh Corporation JLG E400A Narrow Boom Lifts is overcranking?
    • C
      Christopher MendozaAug 22, 2025
      If your Oshkosh Corporation Boom Lifts is overcranking, start by checking the fuel level and connections. Then, verify the operation of the fuel solenoid and fuel pump. Also, check the start battery voltage. If you see white smoke from the engine exhaust, it means fuel is entering the engine but it's not firing. If the ambient temperature is low, make sure the heater or glow plug is working.
  • D
    davisjeremyAug 26, 2025
    Why does my Oshkosh Corporation JLG E400A Narrow Boom Lifts have low oil pressure?
    • A
      Anna FitzpatrickAug 26, 2025
      If your Oshkosh Corporation Boom Lifts has low oil pressure, first check the oil level and the oil supply lines. Verify the correct operation of oil pressure switch with a test gauge.
  • M
    Miss Veronica MunozAug 28, 2025
    What causes underspeed in Oshkosh Corporation JLG E400A Narrow?
    • G
      Gabriel NelsonAug 28, 2025
      If your Oshkosh Corporation Boom Lifts is experiencing underspeed, ensure the engine has an adequate supply of fuel and combustion air. Check the air cleaner. Also, verify the setting of the governor lever and readjust it if needed.
  • A
    Amy OconnellSep 1, 2025
    What causes overspeed in Oshkosh Corporation JLG E400A Narrow Boom Lifts?
    • D
      Dale HardingSep 1, 2025
      If your Oshkosh Corporation Boom Lifts is experiencing overspeed, verify the setting of the governor lever and readjust it if required.
  • S
    simpsonderrickSep 4, 2025
    How to troubleshoot engine starting system fault in Oshkosh Corporation JLG E400A Narrow Boom Lifts?
    • H
      Heather WellsSep 4, 2025
      To troubleshoot an engine starting system fault in your Oshkosh Corporation Boom Lifts, check the engine start battery charging system for current output and inspect for a failed engine start battery.
  • J
    Jaime WhiteSep 7, 2025
    What to do if my Oshkosh Corporation JLG E400A Narrow shows overvoltage?
    • S
      stevenmackSep 8, 2025
      If your Oshkosh Corporation Boom Lifts is showing overvoltage, check the alternator output voltage.
  • L
    lraySep 12, 2025
    What to do if my Oshkosh Corporation Boom Lifts has no speed signal?
    • P
      Phillip WilliamsSep 12, 2025
      If your Oshkosh Corporation Boom Lifts has no speed signal, check the wiring connections.

Oshkosh Corporation JLG E400A Narrow Specifications

General IconGeneral
Gradeability - 2WD30%
Fuel TypeElectric
Working Height14.19 m
Platform Height12.19 m
Platform Capacity - Unrestricted500 lbs
Machine Width1.75 m
Machine Length6.15 m
Stowed Height2.0 m
Wheelbase2.03 m
Ground Clearance0.2 m
Swing360 Degrees
Drive Speed - 2WD6.3 km/h
Turning Radius (Inside)1.22 m
Turning Radius (Outside)3.66 m
Platform Capacity500 lbs
Overall Length6.15 m
Overall Width1.75 m
Overall Height2.0 m

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