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LUBRICATION
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Hydraulic Drive - ZT5400
Fluid and Filter Change
This transaxle is designed with a servicable
filter. To ensure constant fluid quality levels and
longer life, an initial oil and filter change at 100
hours is recommended. Subsequent changes are
recommended at 400 hour intervals minimum, or
yearly, whichever comes first.
The following procedure can be performed with the
transaxle installed in the vehicle, and the vehicle on
level ground. Apply the bypass valve and lock the
vehicle parking brake.
Drain old oil filters of all free-flowing oil prior
to disposal. Place used oil in appropriate
containers and dispose of it in accordance
with laws in your area.
1. Place an oil drain pan (12" or more in diameter
and 8 qt. capacity is optimal) beneath the
oil filter. Remove the oil filter cover from the
transaxle to drain the oil. Remove the o-ring
from the cover and discard.
2. Remove the bottom oil fill vent port plug to drain
any residual oil.
3. After the oil has drained from the transaxle,
remove the oil filter from the transaxle housing.
4. Install the bottom oil fill vent port plug (torque
to 32 - 42 in-lbs [48.39-56.94 Nm]) and a new
filter. Install a new o-ring onto the filter cover
and install the filter cover (torque to 40-45 in-lbs
[54.23 - 61.01 Nm])
5. Remove the top oil fill vent port plug and fill the
transaxle with new 15W50 synthetic oil through
the expansion tank port/fill port until the oil
reaches the oil fill vent port.
6. Install the top oil fill vent port plug and continue
filling the system with oil until the fill line is
reached in the expansion tank. (Approximately
1½ gallons total per side)
7. Drain old oil filter of all free flowing oil prior
to disposal. Place used oil in appropriate
containers and deliver to an approved recycling
collection facility.
8. Proceed to the purge procedure.
8065-036
1. Pump filter
2. O-ring
3. Filter cover
4. Bottom oil fill vent port
5. Top oil fill vent port
6. Bypass valve
ZT-5400 filter change
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