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WALKER MANUFACTURING COMPANY
July 2006
SERVICE INSTRUCTIONS
Transaxle Cooling Fins - Model MB
Keeping the cooling fins on the transaxles clean and
free of obstruction is essential to avoid overheating
the transmission fluid and shortening transmission
life. The cooling fins should be checked every 100
hours; and cleaned if necessary.
To clean the fins, use compressed air and/or a pressure
washer. The cooling fins extend all the way around the
housing -- the fins underneath need to be clean as well
as the more visible fins above. Also, pay close atten-
tion to the area under the drive pulley.
IMPORTANT: In case an oil leak develops on the
input shaft, the cooling fan blowing dusty air and oil on
the transmission will quickly pack the cooling fins with
oily dirt. If this condition occurs, contact your dealer
immediately to avoid overheating and damaging the
transaxle.
An additional procedure in maintaining transaxle cool-
ing is to inspect the cooling fans. Replace the fan(s) if
blades are missing or damaged.
Transaxle Cooling Fins
Cooling Fins
Cooling
Fan
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