Servicing The Spark Plug - Toro 74271 Operator's Manual

With 52in, 60in or 72in turbo force side discharge mower
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3. Disengage the PTO and set the parking brake.
4. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
5. Slide the drain hose over the oil drain valve.
6. Place a pan below the drain hose. Rotate oil drain
valve to allow oil to drain (Figure 34).
7. When oil has drained completely, close the drain
valve.
8. Remove the drain hose (Figure 34).
Note: Dispose of the used oil at a recycling center.
1. Oil drain valve
9. Slowly pour approximately 80% of the specified oil
into the filler tube (Figure 33).
10. Check the oil level; refer to Checking the Engine Oil
Level.
11. Slowly add the additional oil to bring it to the Full
mark.
Changing the Engine Oil Filter
Service Interval: Every 200 hours
Note: Change the oil filter more frequently when
operating conditions are extremely dusty or sandy.
1. Drain the oil from the engine; refer to Changing the
Engine Oil.
2. Remove the old filter and wipe the filter adapter
gasket surface (Figure 35).
Figure 34
2. Oil drain hose
1. Engine oil filter
3. Pour new oil of the proper type into the center hole
in the new oil filter. Stop pouring when the oil
reaches the bottom of the threads. Allow a minute
or two for the oil to be absorbed by filter material.
4. Apply a thin coat of new oil to the rubber gasket on
the replacement filter (Figure 36).
5. Install the replacement oil filter to the filter adapter.
Turn the oil filter clockwise until the rubber gasket
contacts the filter adapter, then tighten the filter an
additional 1/2 turn (Figure 36).
1. Oil filter
2. Gasket
6. Fill the crankcase with the proper type of new oil;
refer to Changing the Oil.

Servicing the Spark Plug

Make sure the air gap between the center and side
electrodes is correct before installing the spark plug.
Use a spark plug wrench for removing and installing
the spark plug(s) and a gapping tool/feeler gauge to
check and adjust the air gap. Install a new spark plug(s)
if necessary.
®
• Type: NGK
BPR4ES or equivalent
• Air Gap: 0.030 inch (0.75 mm)
32
Figure 35
Figure 36
3. Adapter

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