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Sand Pro 2020/3020/5020
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Engine
Service and Repairs
Change Engine Oil and Filter
Change oil initially after the first 8 hours of operation.
Thereafter, change oil every 25 hours and filter every
100 hours.
1. Park machine on a level surface. Turn engine off.
2. Pivot seat up. On the SP 2020/3020, remove the en-
gine shield.
3. Remove drain plug and let oil flow into drain pan.
When oil stops, install drain plug.
4. Remove oil filter. Apply a light coat of clean oil to the
new filter gasket.
5. Screw filter on by hand until gasket contacts filter
adapter, then tighten 1/2 to 3/4 turn further. DO NOT
OVER–TIGHTEN.
6. Add oil to crankcase (see Check Engine Oil). Dis-
pose of oil properly.
Figure 6
1. Drain plug 2. Oil filter
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2
Service Engine Air Cleaner
Inspect paper element every 100 hours of operation.
Replace element every 400 hours or when dirty or dam-
aged. Do not wash paper element or do not clean with
compressed air as damage will occur.
1. Park machine on a level surface. Turn engine off.
2. Pivot seat up. On the SP 2020/3020, remove the en-
gine shield.
3. Remove knobs and air cleaner cover.
4. Remove filter element and cover plate. Inspect filter
for cleanliness, ruptures, holes, and tears. Replace de-
fective filter element.
5. With air cleaner disassembled, check air cleaner
components for damage. Replace if necessary.
A. Make sure rubber breather tube in base plate is
securely in place or severe engine damage may oc-
cur.
B. Make sure carburetor breather hose is routed
out through engine vents.
6. Reinstall filter element. Secure element with cover
plate and knob. Reinstall air cleaner cover and secure
with knobs.
Figure 7
1. Knob
2. Cover
3. Knob
4. Cover plate
5. Filter element
6. Air cleaner base
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3
5
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4
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