Service Bulletin

Customer Service Bulletin

Commercial Business Group

Fairway Aerator

Model/Serial Range: Model Number: Serial Numbers:

09501 30101-60999

09502 70101-80999

Subject: Leaking Corer Gear Case Seals

Fairway Aerators that are operated in areas where the soil has a high content of abrasive

sand may exhibit accelerated wear of the Corer Gear Case upper and lower Crank Seals

as well as the Drive Shaft Gear Seals. The abrasive action of the sand can cause excess

wear of the seals resulting in oil leaks.

Installation of optional Crank Seal (99-5398) and/or Drive Shaft Seal (99-6882) during

repairs will prevent repetitive leaks associated with the effects of sand intrusion. These

alternative seals are now available to use when replacing original Crank and/or Drive

Shaft Seals in units operated in areas with high sand content.

The design of the seals incorporates 3 separate sealing lips and an integral wear ring.

Due to the design, they can also be utilized to repair abrasion damage to the sealing

surface of Crankshaft Gears and the Drive Shaft Gear Seal areas.

Crank Seal (99-5398) is a direct replacement for the original Seal, however modifications

must be made to the Crank Flange prior to installation.

Drive Shaft Gear Seal (99-6882) must be used in conjunction with a new Drive Shaft

Flange (99-6878).

Contact your local authorized TORO Distributor for additional information.

Ref: 09-04 Copyright



, 1999. The Toro Company

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Customer Service Bulletin Commercial Business Group Fairway Aerator® Model/Serial Range: Model Number: 09501 09502 Serial Numbers: 30101-60999 70101-80999 Subject: Leaking Corer Gear Case Seals Fairway Aerators that are operated in areas where the soil has a high content of abrasive sand may exhibit accelerated wear of the Corer Gear Case upper and lower Crank Seals as well as the Drive Shaft Gear Seals. The abrasive action of the sand can cause excess wear of the seals resulting in oil leaks.