Service Bulletin

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Customer Bulletin

Commercial Products

Specialty #15-01

Unable To Maintain Adjusted Coring Depth

Product: Pro Core

864/1298 Jan 12, 2012

Affected Units:

Models:

09715

09716

Serial Numbers:

280000101-311000999

Situation:

Wear in the hex feature area of Depth Control Assembly (110-4502) and Worm Gear Shaft (110-

4580) can cause loss of the depth setting on both 3 point Pro Core aerators.

Solution:

Replace Depth Lock Plate. Verify that the replaced Depth Lock Plate has firm contact with the hex

feature of Worm Gear Shaft. Inspect Worm Gear Shaft for wear or “rounding” of the hex feature that

mates with Depth Lock Plate; wear in that area will contribute to the depth control slipping condition

and may require the replacement of worm Gear Shaft.

We suggest that you inspect these areas for wear prior to each season’s use of your Pro Core aerator

to maintain reliable control of the adjusted coring depth.

For further information on this issue and to obtain repair parts, contact your local Toro Commercial

Products Distributor for assistance. Reference Commercial Products Service Bulletin Specialty 15-01

when making your inquiry.

Depth Lock

Plate

(110-4604)

Depth Control

Assembly

(110-4502)

Worm Gear Shaft

(110-4580)

Hex Feature