Servicing The Spark Plug - Toro 74253 Operator's Manual

1. Oil drain valve
9. Slowly pour approximately 80% of the specified oil
into the filler tube (Figure 36).
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.
1. Engine oil dipstick
2. Filler hole
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 Changing the
Engine Oil.
2. Remove the old filter and wipe the filter adapter
gasket surface (Figure 37).
Figure 35
2. Oil drain hose
Figure 36
3. Dipstick end
1. Engine oil filter
3. Apply a thin coat of new oil to the rubber gasket on
the replacement filter (Figure 38).
4. 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 38).
1. Oil filter
2. Gasket
5. 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 37
Figure 38
3. Adapter