Servicing The Engine Oil - Toro Wheel Horse 520xi Operator's Manual

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3
7
Figure 24
1. Air cleaner cover
2. Knob
3. Cover nut
4. Cover
4. Loosen the knob on the air cleaner cover and remove
the cover (Fig. 24).
5. Carefully slide the foam element off the paper element
(Fig. 24).
6. Unscrew the cover nut and remove the cover and paper
element (Fig. 24).
Cleaning the Foam Element
1. Wash the foam element in liquid soap and warm water.
2. When the element is clean, rinse it thoroughly.
3. Dry the element by squeezing it in a clean cloth.
4. Put one or two ounces of oil on the element (Fig. 25).
Important Replace the foam element if it is torn or
worn.
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Figure 25
1. Foam element
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4
5
6
8
m–3214
5. Foam element
6. Paper element
7. Rubber seal
8. Air cleaner base
2
m–3247
2. Oil
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5. Squeeze the element to distribute the oil.
Checking the Paper Element
Inspect the element for tears, an oily film, damage to the
rubber seal, excessive dirt, or other damage (Fig. 26). If
any of these conditions exit, replace the filter.
Important
Do not clean the paper element with
pressurized air or liquids, such as solvent, gas, or
kerosene.
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Figure 26
1. Paper element
Important
To prevent engine damage, always operate
the engine with the complete foam and paper air cleaner
assembly installed.
Installing the Foam and Paper Elements
1. Carefully slide the foam element onto the paper air
cleaner element (Fig. 24).
2. Slide the air cleaner assembly and cover onto the long
rod.
3. Install the cover nut finger-tight against the cover (Fig.
24).
Note: Ensure that the rubber seal is flat against the air
cleaner base and cover.
4. Install the air cleaner cover and knob (Fig. 24).
5. Close the hood.

Servicing the Engine Oil

Change oil after the first 5 operating hours and then after
every 100 operating hours. Change the oil filter every 200
hours of operation or every other oil change.
Oil Type: Detergent oil (API service SG or SH)
Crankcase Capacity: w/filter, 2.1 qts. (2.0 l)
Viscosity: Refer to the following table.
1
m–3248
2. Rubber seal