Toro 73546 Wheel Horse 520Lxi Operator's Manual page 38

Maintenance
6. If the oil level is low, slowly pour only enough
SAE 10W–30 detergent oil into the filler tube to
raise the level to the FULL line.
IMPORTANT: Do not fill above the FULL
line as fluid may overflow.
2
1
Figure 46
1. Operating range
Changing Transaxle Oil
Replace the transaxle fluid at 50 hours initially, then
every 200 hours thereafter.
Fluid Type: SAE 10W–30 Detergent oil (API service
SG, SH or above)
Transaxle Capacity:
Total system capacity: 7.0 qts.
Approximate refill capacity: 4.5 qts.
1. Warm up the transaxle oil by driving the tractor.
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 key.
3. Place a pan below the transaxle drain. Open the
drain by removing the plug (Fig. 47).
4. When the oil has drained completely, install the
plug.
Note: Dispose of the used oil at a certified
recycling center.
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2. FULL line
Figure 47
1. Transaxle drain plug
5. Change the transaxle filter; refer to Changing the
Transaxle Filter, page 37.
6. Slowly pour the specified refill capacity of oil
into the filler tube (Fig. 45).
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 35. Slowly add
additional oil to bring the oil level to the FULL
mark on the dipstick.
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