Engine Maintenance; Servicing The Air Cleaner; Changing The Engine Oil And Filter - Toro Greensmaster TriFlex 3420 Operator's Manual

Engine Maintenance

Servicing the Air Cleaner

Service Interval: Every 200 hours
•
Check the air-cleaner body for damage which
could cause an air leak; replace it if it is damaged.
Check the whole intake system for leaks, damage,
or loose hose clamps.
•
Service the air-cleaner filter before 200 hours if
the engine performance suffers due to extremely
dusty, dirty conditions. Changing the air filter
before it is necessary only increases the chance of
dirt entering the engine when the filter is removed.
•
Ensure that the cover is seated correctly and seals
with the air cleaner body.
1. Release the latches securing the air-cleaner
cover to the air-cleaner body
Figure 38
1. Air-cleaner body
2. Air filter
2. Remove the cover from the air-cleaner body.
3. Before removing the filter, use low pressure air
(40 psi, clean and dry) to help remove large
accumulations of debris packed between the
outside of the primary filter and the canister. This
cleaning process prevents debris getting into the
intake when you remove the primary filter.
Important:
Avoid using high pressure air
which could force dirt through the filter into
the intake tract.
4. Remove and replace the primary filter, as
follows:.
(Figure 38).
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3. Air-cleaner cover
Important:
Do not clean the used element.
A. Inspect the new filter for shipping damage;
do not use a damaged element.
B. Carefully pull the old filter out of the filter
body and discard it.
C. Insert the new filter by applying pressure
to the outer rim of the element to seat it in
the canister, checking the sealing end of the
filter and the body.
Important:
flexible center of the filter.
5. Clean the dirt ejection port located in the
removable cover. Remove the rubber outlet
valve from the cover, clean the cavity and
replace the outlet valve.
6. Install the cover orienting the rubber outlet valve
in a downward position—between approximately
5:00 to 7:00 when viewed from the end.
7. Secure the latches
Changing the Engine Oil
and Filter
Service Interval: After the first 50 hours
Every 150 hours
1. Remove the drain plug and let oil flow into a
drain pan. When the oil stops, install the drain
plug (Figure 39).
1. Drain plug
2. Remove the oil filter
coat of clean oil to the new filter gasket.
39
Do not apply pressure to the
(Figure 38).
Figure 39
(Figure 40). Apply a light
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