
Workshop Manual, TPD 1350, issue 3
207
20
New 1000 Series
To adjust
20-11
The engine conforms with USA (EPA/CARB) stage 1
and EEC stage 1 emissions legislation for agricultural
and industrial applications.
The idle or maximum speed settings must not be
changed by the engine operator, because this can
damage the engine or the transmission.
Specialist equipment, which is available at your
Perkins Distributor, is needed to adjust the idle or
maximum speed settings. The warranty of the engine
can be affected if the seals on the fuel injection pump
are broken during the warranty period by a person
who is not approved by Perkins.
1 Operate the engine until it reaches its normal
temperature of operation and check the idle speed. If
necessary, adjustment can be made by the outer
adjustment screw (A2). Release the lock nut and
rotate the adjustment screw clockwise to increase the
speed, or counter-clockwise to decrease the speed.
When the speed is correct, tighten the lock nut. The
setting of the idle speed can change for different
applications. Normally the correct speed will be given
in the manufacturer's handbook for the application. If
it is not given, refer to your nearest Perkins distributor.
Caution: The setting for the maximum no load speed
can change for different applications. For the correct
maximum no-load speed, check the emissions data
plate fitted to the left side of the cylinder block before
any adjustment is made to the maximum no load
speed.
2 With the engine at its normal temperature of
operation, check the maximum no load speed. A
typical maximum no load speed is 2860 rev/min. If
necessary, this speed can be adjusted by the inner
adjustment screw (A1). Release the lock nut and
rotate the adjustment screw counter-clockwise to
increase the speed or clockwise to decrease the
speed. When the speed is correct, tighten the lock nut
and seal the screw.
The person who fits the pump must ensure that the
adjustment screw is suitably sealed against
interference after it has been set initially.
1
2
A
A0299
Purchased from www.WorkshopManuals.co.uk
Содержание New 1000 Series
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