Iveco/FPT — Passage from 50 Hz to 60 Hz
Adjustments · Stanadyne injection pump
From a Iveco/FPT service manual covering: GE NEF 100M, GE NEF 125M, GE NEF 130M, GE NEF 160M, GE NEF 200E, GE NEF 45M, GE NEF 60M, GE NEF 75M, GE NEF 85M, GS NEF 100M, GS NEF 125M, GS NEF 130M…. Check it applies to your exact model before use.
Applies to: Iveco/FPT GE NEF 100M, Iveco/FPT GE NEF 125M, Iveco/FPT GE NEF 130M, Iveco/FPT GE NEF 160M, Iveco/FPT GE NEF 200E, Iveco/FPT GE NEF 45M, Iveco/FPT GE NEF 60M, Iveco/FPT GE NEF 75M, Iveco/FPT GE NEF 85M, Iveco/FPT GS NEF 100M, Iveco/FPT GS NEF 125M, Iveco/FPT GS NEF 130M
Before you start
- Some motors cannot undergo the passage from 50 Hz to 60 Hz and vice versa; refer to SI 191 1 Service Information.
Procedure
- Identify the code of the injection pump from the Stanadyne tag.
- Act on droop setting adjustment screw, rotating clockwise the number of rotations from the chart.
- Start the motor and operate maximum and minimum register screws to block accelerator lever.
- Consider frequency fall from empty to full of about 2 Hz.
- Block both adjustment screws with lock nuts.
Specs & values
- DB 4629-5927: 4 rotations from 50 to 60 Hz
- DB 4629-5932: 7 rotations
- DB 4629-5944: 6 rotations
- DB 4429-5945: 3 rotations
- DB 4429-5954: 6.5 rotations
- DB 4427-5955: 6 rotations
- Lock nuts tightening torque 3,5 - 4 Nm
Source: Iveco/FPT service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.