Service Bulletin

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Early axle shaft seal leaks may be experienced on a unit in the above listed population of Flex
Greensmowers during the first 400 hours of machine operation. The repair kit discussed below
is designed to address a specific set of factors that were assembled into a portion of the listed
units; these factors combined to create a frequency of seal failures in the first 400 service hours
based on lab testing and field reports.
Replacement Cover Kit (117-1461) contains revised seals and a gearcase cover modified with a
vent feature. It was developed to address these early hour seal leaks. The seal design
contained in this kit requires a special seal installation tool to effectively install the seal in the
gear case housing. Seal installation without this tool can cause serious internal damage to the
gearbox assembly and likely early seal failure. Seal leakage encountered outside of this
timeframe cannot be considered part of this identified root cause. Not all units in the serial
range will fail; our research indicates that the majority of units produced in this range will not
leak due the lack of one or more failure factors. If a unit does not exhibit leakage in the
specified timeframe, Replacement Cover Kit is not recommended to repair any subsequent seal
leakage. Repair all later hour seal replacement events with Seal-Oil (99-3842). Doing so will
simplify late hour repairs; these operations will not require special seal installation tools to use
Seal-Oil (99-3842).
Should any unit in the above listed population experience a differential axle seal leak within the
unit’s warranty period, it will be repaired at no charge utilizing the Replacement Cover Kit. Units
experiencing differential axle shaft seal leakage after 400 hours of operation are considered
normal wear related and are not deemed warrantable.
Your local Toro Commercial Products Distributor can provide installation of this repair kit. The
Toro Distributor is also your source for all your parts and special tool needs.
Please call your Toro Distributor and reference Toro Commercial Products Service Bulletin
Greens Reels #09-22 when making your inquiry.
Related Service Bulletins; Greens Reels #09-21, #09-25 and General #00-08.
Customer Bulletin
Commercial Products
Greens Reels #09-22
Seal Leaks at the Differential Axle Shaft
Product: Flex 18 & 21 Greensmowers Update-
October 20, 2009
Affected Units:
Flex 18
Flex 18
Flex 21
Flex 21
Models:
04018
04030
04022
04031
Serial Numbers:
270000101-280000148
280000101-280000118
270000101-280001848
280000101-280000161