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Maintenance
Check expansion reservoir and if necessary add
20W-50 engine oil to the FULL COLD line.
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Figure 34
1. Expansion reservoir 3. Engine
2. Full Cold line
Changing the Hydraulic
System Filter and Oil
Service Interval: After the rst 50 hours
Every 400 hours thereafter.
The lter and oil are changed at the same time. Do
Not reuse oil. Once the new lter is installed and oil
is added any air in the system must be purged.
The bleeding process is repeated until the oil remains
at the FULL COLD line in the reservoir after purging.
Failure to properly perform this procedure can
result in irreparable damage to the transaxle
drive system.
Removing Hydraulic System Filters
1. Stop engine, wait for all moving parts to stop, and
allow engine to cool. Remove the key and engage
the parking brake.
2. Raise the rear of machine up and support with
jack stands (or equivalent support) just high
enough to allow drive wheels to turn freely.
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Figure 35
1. Jacking points
3. Remove the nuts holding the transaxle support in
place (Figure 36).
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Figure 36
1. Nut (5/16 inch) (27 to 33
ft-lb)
3. Transaxle support
2. Nut (3/8 inch) (15 to 19
ft-lb)
4. Locate the lter and lter guards on each transaxle
drive system (Figure 37). Remove three screws
securing the lter guard and guard.
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