This document is printed from SPI². Not for RESALE
A regulator is installed on the rear end of the
alternator. Two brushes conduct current through two
slip rings. The current then flows to the rotor field. A
capacitor protects the rectifier from high voltages.
The alternator is connected to the battery for charging
and machine load requirements. A warning lamp can
be connected via the ignition switch. This wiring is
optional.
i04173673
Cleanliness of Fuel System
Components
Cleanliness of the Engine
NOTICE
It is important to maintain extreme cleanliness when
working on the fuel system, since even tiny particles
can cause engine or fuel system problems.
The entire engine should be washed with a high-
pressure water system. Washing the engine will
remove dirt and loose debris before a repair on the
fuel system is started. Ensure that no high-pressure
water is directed at the seals for the injectors or
electrical connectors.
Environment
When possible, the service area should be positively
pressurized. Ensure that the components are not
exposed to contamination from airborne dirt and
debris. When a component is removed from the
system, the exposed fuel connections must be closed
off immediately with suitable sealing plugs. The
sealing plugs should only be removed when the
component is reconnected. The sealing plugs must
not be reused. Dispose of the sealing plugs
immediately after use. Contact your nearest Perkins
distributor in order to obtain the correct sealing plugs.
New Components
High-pressure lines are not reusable. New high-
pressure lines are manufactured for installation in one
position only. When a high-pressure line is replaced,
do not bend or distort the new line. Internal damage
to the pipe may cause metallic particles to be
introduced to the fuel.
All new fuel filters, high-pressure lines, tube
assemblies, and components are supplied with
sealing plugs. These sealing plugs should only be
removed in order to install the new part. If the new
component is not supplied with sealing plugs then the
component should not be used.
The technician must wear suitable rubber gloves. The
rubber gloves should be disposed of immediately
after completion of the repair in order to prevent
contamination of the system.
Refueling
In order to refuel the diesel fuel tank, the refueling
pump and the fuel tank cap assembly must be clean
and free from dirt and debris. Refueling should take
place only when the ambient conditions are free from
dust, wind, and rain.
Only use fuel that is free from contamination. Ultra
Low Sulfur Diesel (ULSD) must be used. The content
of sulfur in Ultra Low Sulfur Diesel (ULSD) fuel must
be below 15 PPM 0.0015%.
Biodiesel may be used. The neat biodiesel must
conform to the latest EN14214 or ASTM D6751 (in
the USA). The biodiesel can only be blended in
mixture of up to 20% by volume in acceptable mineral
diesel fuel meeting latest edition of EN590 or ASTM
D975 S15 designation.
In United States, Biodiesel blends of B6 to B20 must
meet the requirements listed in the latest edition of
ASTM D7467 (B6 to B20) and must be of an API
gravity of 30-45.
For more information, refer to Operation and
Maintenance Manual, “Fluid Recommendations”.
20 UENR0623
Engine Operation
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