Toro Z Master 75990 Operator's Manual page 41

Changing the Engine Oil
Service Interval: After the first 8 hours
Every 100 hours (more often in dirty or dusty
conditions).
Note:
Dispose of the used oil at a recycling center.
1. Park the machine so that the rear is slightly lower
than the front to ensure the oil drains completely.
2. Disengage the PTO, move the motion-control
levers to the neutral-locked position, and engage
the parking brake.
3. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position
Figure 51
(Figure 51).
4. Slowly pour approximately 80% of the specified
oil into the filler tube and slowly add the
additional oil to bring it to the Full mark
52).
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5. Start the engine and drive to a flat area. Check
the oil level again.
Changing the Engine-Oil Filter
Service Interval: Every 200 hours
Note:
Change the engine oil filter more frequently
when operating conditions are extremely dusty or
sandy.
1. Drain the oil from the engine; refer to
the Engine Oil (page
2. Change the engine oil filter
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41
Figure 52
Changing
41).
(Figure 53).
(Figure
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