Toro Wheel Horse 523Dxi Operator's Manual page 44

Maintenance
2. Park the machine on a level surface to assure the
oil drains completely. Then turn off the power
take off (PTO), set the parking brake, lower the
attachment lift, and turn the ignition key to
"STOP" to stop the engine. Remove the ignition
key.
3. Place a pan below the transaxle drain. Open the
drain by removing the plug (Fig. 46).
4. When the oil has drained completely, wipe clean.
Apply pipe sealant to the plug and reinstall.
Note: Dispose of the used oil at a certified
recycling center.
Figure 46
1. Transaxle drain plug
5. Change the transaxle filter; refer to Changing the
Transaxle Filter, page 42.
6. Slowly pour the specified refill capacity of oil
into the filler tube (Fig. 44).
7. Start the engine, let it run for 30 seconds at high
idle, and cycle the steering wheel several times
to fill the filter and hydraulic lines. Then shut
off the engine.
8. Now check the fluid level; refer to Checking
Transaxle Fluid Level, page 41. Slowly add
additional oil to bring the oil level to the FULL
mark on the dipstick.
42
Changing the Transaxle Filter
Service Interval/Specification
Replace the transaxle filter after the first 50 hours;
then every 200 hours.
1. Drain the oil from the transaxle; refer to
Changing/Draining Transaxle Fluid, page 41.
2. Remove the transaxle filter and wipe the filter
adapter (Fig. 47) gasket surface.
3. Apply a thin coat of new oil to the rubber gasket
on the replacement filter (Fig. 47).
1
1
m–3322
1. Transaxle filter
2. Gasket
4. Install the replacement transaxle filter to the
filter adapter. Turn the filter clockwise until the
rubber gasket contacts the filter adapter, then
tighten the filter an additional 3/4 turn (Fig. 47).
5. Fill the transaxle with the proper type of new oil;
refer to Changing/Draining Transaxle Fluid,
page 41.
Cleaning the Power Steering Filter
The power steering filter should be cleaned initially at
50 hours, then at 200–hour intervals thereafter.
Please have your Authorized Service Dealer clean the
filter.
3
2
Figure 47
3. Adapter
1256