Engine Stopping; Electrical System - Perkins 904F-E28T Operation And Maintenance Manual

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Note: The engine is equipped with a device for cold
starting. If the engine will be operated in very cold
conditions, an extra cold starting aid may be
required. Normally, the engine will be equipped with
the correct type of starting aid for the region of
operation.
These engines are equipped with a glow plug starting
aid in each cylinder which heats the intake air to
improve starting. Some Perkins engines may have a
cold starting system that is controlled by the ECM
which allows a controlled flow of ether into the
engine. The ECM will disconnect the glow plugs
before the ether is introduced. This system would be
installed at the factory.

Engine Stopping

Stop the engine according to the procedure in the
Operation and Maintenance Manual, "Engine
Stopping (Operation Section)" in order to avoid
overheating of the engine and accelerated wear of
the engine components.
Use the Emergency Stop Button (if equipped) ONLY
in an emergency situation. Do not use the
Emergency Stop Button for normal engine stopping.
After an emergency stop, DO NOT start the engine
until the problem that caused the emergency stop
has been corrected.
Stop the engine if an overspeed condition occurs
during the initial start-up of a new engine or an
engine that has been overhauled.
To stop an electronically controlled engine, cut the
power to the engine and/or shutting off the air supply
to the engine.

Electrical System

Never disconnect any charging unit circuit or battery
circuit cable from the battery when the charging unit
is operating. A spark can cause the combustible
gases that are produced by some batteries to ignite.
To help prevent sparks from igniting combustible
gases that are produced by some batteries, the
negative "−" cable should be connected last from the
external power source to the primary position for
grounding.
Check the electrical wires daily for wires that are
loose or frayed. Tighten all loose electrical
connections before the engine is started. Repair all
frayed electrical wires before the engine is started.
See the Operation and Maintenance Manual for
specific starting instructions.
Grounding Practices
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Illustration 15
Typical example
(1) Ground to starting motor
(2) Ground to battery
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(3) Starting motor to engine block
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Safety Section
Engine Stopping
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