Changing The Spark Plugs - Toro Multi Pro 1750 Operator's Manual

Figure 38
1. Oil filter
6. When the oil has drained completely, replace the
drain plug and torque it to 13.6 N∙m (10 ft-lb).
7. Dispose of the used oil at a certified recycling
center.
8. Slowly pour approximately 80% of the specified
amount of oil into the oil filler tube
9. Check the oil level.
10. Slowly add additional oil to bring the oil level to
the F mark on the dipstick.
ULL
Important:
Overfilling the crankcase with oil
may cause engine damage.
Changing the Engine-Oil Filter
Service Interval: Every 100 hours
1. Drain the oil from the engine; refer to
the Engine Oil (page
2. Remove the oil filter
3. Wipe the filter adapter gasket surface.
4. Apply a thin coat of new oil to the rubber gasket
on the replacement filter.
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
38).
6. Fill the crankcase with the correct type of new
oil; refer to Changing the Engine Oil (page
steps 8 through 10.
7. Dispose of the used oil filter at a certified
recycling center.
2. Oil-drain plug
(Figure 37).
Changing
43), steps 1 through 7.
(Figure 38).
(Figure
43),

Changing the Spark Plugs

Service Interval: Every 200 hours
Type: Champion RC-12YC (or equivalent)
Air Gap: 0.76 mm (0.030 inch)
Make sure that the air gap between the center and
side electrodes is correct before installing the spark
plugs. Use a spark-plug wrench for removing and
installing the spark plugs and a gapping tool/feeler
gauge to check and adjust the air gap.
Removing the Spark Plugs
g023045
1. Position the machine on a level surface, engage
the parking brake, shut off the sprayer pump,
shut off the engine, and remove the key.
2. Release the latch on the back of the seat and lift
the seat forward.
3. Pull the wires off the spark plugs
4. Clean around the spark plugs to prevent dirt
from falling into the engine and potentially
causing damage.
5. Remove the spark plugs and metal washers.
1. Spark-plug wire
Checking the Spark Plugs
1. Look at the center of the spark plugs
Note:
If you see a light brown or gray coating
on the insulator, the engine is operating properly.
A black coating on the insulator usually means
that the air cleaner is dirty.
Important:
Always replace a spark plug when it has a
black coating, worn electrodes, an oily film,
or cracks.
44
(Figure
Figure 39
2. Spark plug
Do not clean the spark plugs.
39).
g001985
(Figure 40).