Service Manual

10 ZT-4400
This transaxle is designed with a serviceable
lter.Toensureconstantuidqualitylevelsand
longerlife,aninitialoilandlterchangeat100
hours is recommended. Subsequent changes
are recommended at 400 hour intervals mini-
mum,oryearly,whichevercomesrst.
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.
1. Place an oil drain pan (12” or more in diam-
eter and 8 qt. capacity is optimal) beneath
theoillter.Removetheoilltercoverfrom
the transaxle to drain the oil. Remove the O-
ring from the cover and discard the O-ring.
2. After the oil has drained from the transaxle,
removetheoillterfromthetransaxlehous-
ing.
3. Install a new lter and a new O-ring onto
the lter cover and install the lter cover.
See Figure 3a. See page 15 for torque
specications.
4. Fill the transaxle with new 20W50 motor oil
through the expansion tank port /llport
until oil reaches the top.
5.Continuellingthesystemwithoiluntilthe
lllineisreachedintheexpansiontank.
6.Drainoldoillterofallfreeowingoilprior
to disposal. Place used oil in appropriate
containers and deliver to an approved re-
cycling collection facility.
7. Proceed to the purge procedure on page
11.
FLUID CHANGE PROCEDURE
Note: Theoilvolumegureshowndoesnot
includewhatisintheexpansiontank
hoseortheexpansiontank.Thatwill
havetobedeterminedbythemachine
manufacturer/enduserduetovarying
hosesizes/lengthsandexpansiontank
sizes.
Figure 3, Oil Volume
Filter
Filter cover
O-ring
Figure 3a, Filter Components
Oil Fill Level
Oil Volume:
3450-3550 mL
(117-120uidounces)
(.911-.938 gallon)