trans oil circulation system, plumbing and electrical

WEDDLEINDUSTRIES.COM

WEDDLE INDUSTRIES • 7200 HOLLISTER AVE, SUITE C, GOLETA, CA 93117 • PH: 805 562 8600 • FAX: 805 562 8661 • [email protected]

TRANS OIL CIRCULATION SYSTEM, PLUMBING AND ELECTRICAL INSTALLATION NOTES

Updated 01/09/14

GENERAL NOTESIncorporating a transmission/transaxle cooling system involves two systems:

1. Electrical System 2. Oil Plumbing System

See the attached diagrams.

ELECTRICAL SYSTEM NOTES• We highly recommended running the load carrying circuits for

the oil pump and cooling fan through a 4-prong relay. Use the temperature switches only to activate these relays.

• It is best to run two switches: one for oil temperature to turn on the oil pump and one inline to turn on the cooling fan. If the oil cooler has good airflow the fan might not have to cycle very often if at all.

• A 25-amp circuit breaker is recommended to cover the initial amperage spike when these accessories switch on. Once run-ning, their power draw should only be in the 5-amp range.

OIL PLUMBING SYSTEM NOTES • Starting an oil pump when the oil is cold and thick is very hard

on pump motors. We recommend using a temperature switch that will turn the pump on when the oil reaches 150°F to eliminate this extra load on the pump motor.

• A Weddle Industries gear drive pump will “pull” oil to a height of about 12” above the trans once it has been primed. To maximize the life or your pump, we reccomend mounting the pump as close to the oil level of the trans as possible or lower.

• We recommend running an -8AN line from the trans to a filter, through the pump and into the cooler.

• If there is only one return line to the trans, keep the return line -8AN.

• If the trans has two return inlets, step down to a -6AN.

• If the trans has three inlets step your lines down to a -4AN.

• See oil-plumbing diagram for part numbers of splitters and AN reducers.

IF YOU HAVE ANY QUESTIONS Please call us at: (805) 562-8600 or email us at: [email protected]

© Copyright Weddle Industries. All Rights Reserved. CSINST 1-1

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trans oil circulation system, plumbing and electrical

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