Briggs & Stratton 252700 Especificaciones descargar pdf (Pagina 19)

ENGINE/ALTERNATOR

REPLACEMENT INFORMATION

With the exception of the AC Only alternator, all of

the alternator systems referred to in this book have

a battery as part of the electrical system.

There are specialized applications that use an

alternator without a battery. An example would be

certain generators or welders that use alternator

output to excite an electrical eld. For the equipment

to function, the alternator output must be very

evenly matched to the equipment requirements.

When replacing an engine in these applications, the

alternator must be the same as the original.

REPLACING BRIGGS & STRATTON

ENGINES

When replacing an older Briggs & Stratton engine

on a piece of equipment with a newer Briggs &

Stratton engine, sometimes the newer engine has

an alternator system different from the alternator

system on the original engine. This means that the

output connector on the replacement engine is not

compatible with the original wiring harness on the

piece of equipment. For example, the original engine

may have been equipped with a Dual Circuit system

and the replacement engine is equipped with a

regulated system. We can integrate the two systems

by making an adapter harness from readily available

parts.

Generally an unregulated DC system (DC Only, Dual

Circuit) should not be used to replace a regulated

system because alternator output may not be

sufcient for equipment requirements. However,

because the equipment requirements are usually

much less on an unregulated DC system, a

regulated system may be used as a replacement.

The regulator/rectier prevents the battery from

being over charged.

NOTE: The AC Only, DC Only, Dual Circuit, Tri‑

Circuit as well as the 5 and 10 amp

regulated systems use ywheels with small

alternator magnets. The 9 and 16 amp

regulated systems use ywheels with the

large alternator magnets. See gure below

for magnet sizes.

ALTERNATOR

MAGNETS

*Small Magnet 7/8" x 11/16"

(22mm x 18mm)

*Large Magnet 1‑1/16" x 15/16"

(27mm x 24mm)

*V Twin Alternator Magnet Size: Small 7/8" x 21/32" (22 mm x 17 mm)

Large 7/8" x 29/32" (22 mm x 23 mm)

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Briggs & Stratton 252700 Especificaciones Pagina 19

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