Servicing The Gearbox - Toro 72027 Operator's Manual

Servicing the Gearbox

Checking the Gearbox-Oil Level
Service Interval: Every 50 hours
Use SAE 75W-90 synthetic gear lube.
1. Park the machine on a level surface and engage
the parking brake.
2. Lower the mower deck to the 25 mm (1 inch)
height of cut.
3. Disengage the blade-control switch, shut off the
engine, remove the key, and wait for all moving
parts to stop before leaving the operating
position.
4. Lift the footrest to expose the top of the mower
deck.
5. Remove the dipstick/fill plug from the top of the
gearbox and ensure that the lubricant is between
the marks on the dipstick
Figure 54
1. Fill plug/dipstick
6. If the oil level is low, add enough lubricant until
the level is between the marks on the dipstick.
Important:
Do not overfill the gearbox;
overfilling the gearbox may damage it.
(Figure 54).
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Changing the Gearbox Oil
Service Interval: After the first 200 hours
Every 400 hours
If the oil becomes contaminated, contact your Toro
Distributor because the system must be flushed.
Contaminated oil looks milky or black when compared
to clean oil.
1. Park the machine on a level surface and engage
the parking brake.
2. Lower the mower deck to the 25 mm (1 inch)
height of cut.
3. Disengage the blade-control switch, shut off the
engine, remove the key, and wait for all moving
parts to stop before leaving the operating
position.
4. Lift the footrest to expose the top of the mower
deck.
5. Remove the dipstick/fill plug from the top of the
gearbox and ensure that the lubricant is between
the marks on the dipstick
6. Extract the oil through the fill port using a
vacuum device or remove the gearbox from the
deck and pour out the oil into a drain pan.
7. Install the gearbox (if it was removed to drain).
8. Add approximately 420 ml (14 fl oz), until the
level is between the marks on the dipstick
Important:
Do not overfill the gearbox;
overfilling the gearbox may damage it.
48
(Figure 54).