Servicing the Air Filter
4. Set the gap on the new plug to 0.020 in. (0.50 mm)
(Fig. 18).
Clean the pre-cleaner and replace the air filter once every
season or every 25 operating hours; replace it more
frequently in dusty operating conditions.
1
Important
Do not operate the engine without the air
986
filter element; extreme engine damage will occur.
Figure 18
1.
2.
3.
Stop the engine and wait for all moving parts to stop.
Disconnect the wire from the spark plug (Fig. 11).
1.
0.020 in. (0.50 mm)
Remove the screws that secure the air filter cover
(Fig. 17).
5.
6.
7.
Install the spark plug and the gasket seal.
Torque the spark plug to 15 ft-lb (20 N m).
Connect the wire to the spark plug.
4
1
Changing the Engine Oil
3
Change the oil after the first 5 operating hours and then
after every 50 operating hours or every season. Run the
engine just before changing the oil to warm the oil. Warm
oil flows better and carries more contaminants.
2
m-4203
Figure 17
Note: Change the oil after every 25 operating hours when
operating under a heavy load or in high temperatures.
1.
2.
Screws
3.
4.
Air filter
Cover
Foam pre-cleaner
Draining the Oil above the Housing
(Preferred Method)
4.
5.
6.
Remove the cover and clean it thoroughly (Fig. 17).
Remove the foam pre-cleaner.
1.
2.
3.
Remove the grass bag.
Wash the pre-cleaner with a mild detergent and water,
then blot it dry (Fig. 17).
Disconnect the wire from the spark plug (Fig. 11).
Drain the gasoline from the fuel tank; refer to steps 3
and 4 of Emptying the Fuel Tank on page 21.
7.
Remove the paper air filter and discard it (Fig. 17).
Important
Do not try to clean a paper air filter.
4.
5.
Remove the dipstick from oil fill tube and place a drain
pan next to the left side of the lawn mower.
8.
Insert the new paper air filter into the foam pre-cleaner
(Fig. 17).
Tip the lawn mower onto its left side, allowing the oil
to drain into the drain pan (Fig. 19).
9.
Install the new air filter (Fig. 17).
Install the cover and secure it (Fig. 17).
10.
Servicing the Spark Plug
1
m-1782
Check the spark plug after every 25 operating hours. Use a
Champion RC12YC spark plug or equivalent.
Figure 19
1.
Oil fill tube
1.
2.
3.
Stop the engine and wait for all moving parts to stop.
Disconnect the wire from the spark plug (Fig. 11).
6.
7.
Turn the lawn mower upright.
Clean around the spark plug and remove it from the
cylinder head.
Fill the crankcase with fresh oil to the Full mark on the
dipstick. Refer to Filling the Crankcase with Oil on
page 9.
Important
Replace a cracked, fouled, or dirty spark
plug. Do not clean the electrodes because grit entering the
cylinder could damage the engine.
8.
9.
Install the dipstick.
Wipe up any spilled oil.
16
| Categories | Lawn Mower Manual, Toro Lawn Mower Manual |
|---|---|
| Tags | Toro 20039 |
| Model Year | 2004 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
Monday - Friday 7:30 a.m. to 9:00 p.m. (CDT) - Saturday 8:00 a.m. to 8:00 p.m. (CDT) - Sunday 10:00 a.m. to 8:00 p.m. (CDT)
Canada 1-888-225-4886 USA 1-888-384-9939, Lawn Mower |
| Document File Type | |
| Publisher | toro.com |
| Wikipedia's Page | Toro Company |
| Copyright | Attribution Non-commercial |
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