6
58 Workshop Manual, TPD 1458E, issue 3 - Perkins Confidential: Green
400 Series
Maximum fuel screw and maximum speed screw
Location Operation 6-8
Caution: The fuel adjustment setscrew must be set correctly for the engine to comply with emissions
legislation. This must only be carried out by an approved Perkins distributor.
Notes:
l The maximum fuel setscrew (1) and the maximum speed setscrew (2) must not be adjusted by the
operator.
l Under certain circumstances it may be necessary to remove the anti tamper device for the maximum fuel
setscrew. This must only be carried out by an approved Perkins distributor.
l Any adjustment to the maximum fuel screw will require an engine test brake, and also a check of maximum
no load speed to confirm the settings.
Engine Torque Nm (lbf ft) kgf m
All models
Maximum fuel screw lock nut 14 (10.3) 1,4
Maximum speed screw lock nut 14 (10.3) 1,4
1
2
3
H1075
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