Training Details


Excavators E Series Medium

Course Date
Coming Soon
Course Duration


This course covers the E series excavators from 320 E to 336 E. Subjects covered will be engine performance testing, TIER 4 overview, cab layout, hydraulic pumps systems operation, pressure and flow testing, and PQ curve plotting using an Excel spread sheet. It also covers the Back to Back hydraulic valve systems operation testing and adjusting, including swing & boom priority; stick and boom regeneration circuits, swing circuit testing and adjusting; and travel circuit systems operation, testing and adjusting. The E series monitor will be covered along with its diagnostic capabilities. Electronic Technician will be used to do product status reports, data logging, diagnostics troubleshooting, and set up of parameters. Flash downloading using a USB flash drive will be discussed and demonstrated.


SIS/ET, S1 Hydraulics, S2 Engine Systems, S3 Powertrain, S4 Electrical Systems, MEC


After completion of the course, the participant will be able to:

  • Explain the differences between the D series cab and E series cab.
  • Navigate/explain the sub menu screens on the E series monitor and how they are used by the operator and service person.
  • Look up and record the engine specifications and using correct engine test equipment perform an engine horsepower test using SIS.
  • Log an engine performance test and evaluate the data log to determine engine state of repair using ET data.
  • Explain the differences between a TIER 4 exhaust system on a 7.1 and 9.3 engine. Data log a regeneration burn other service test within ET.
  • Explain the systems operation testing and adjusting of the NFC hydraulic pump(s) as found on the 320E to 336E HEX.
  • Flow test the NFC hydraulic pump(s) for constant horsepower control and NFC control and record finding.
  • Plot the PQ curve using the flow test performed in objective 7 and the provided Excel spreadsheet, analyze the data, and make necessary adjustments to maximum angle, begin of regulation (de-stroke) and end of regulation (commonly known as the dog leg) point.

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