Engine Oil
Only use high quality detergent oil rated with API service classification SF, SG or SH. Select the oil'sviscosity grade according to your expected operating temperature. Refer to page 10 of this manual for viscosity chart.
•Stop engine and wait several minutes before checking oil level. With engine on level ground, the oil must be to FULL mark on dipstick.
To Change Engine Oil
Change oil every 25 hours of mower operation. Drain oil while engine is warm. Follow the instructions given below to change the oil.
Tip the mower with the spark plug facing up. Place a container under the dipstick. Pull the dipstick out of oil fill.
Drain the oil sump empty, collecting oil in an approved container.
Fill oil sump with 21 ounces of fresh SAE 30 oil.
Refer to page 10 of this manual for oil
Air Cleaner
The air cleaner prevents damaging dirt, dust, etc., from entering the carburetor and being forced into the engine and is important to engine life and performance. Replace filter once a year or every 100 operating hours, more often if used in extremely dusty conditions.
To Service Air Cleaner
•Turn air filter cover counterclockwise and remove the cover and filter from the flange. See Figure 11. Discard filter.
Clean cover and flange thoroughly.
Insert the new filter into the cover.
Place the cover and the filter against flange with tab on the cover inserted into lower left
corner of slot in flange. See Figure 11. Push cover firmly against flange and turn it clockwise as far as it will go. Make sure that the retainers are locked around the flange. See Figure 11.
,_ airWARNING:cleaner completelyNever runassembledthe engine. without
To Clean Engine
Clean engine periodically. Remove dirt and debris with a cloth or brush.
•Frequently remove grass clippings, dirt and debris from cooling fins, air intake screen and levers and linkage. This will help ensure adequate cooling and correct engine speed.
NOTE: Do not clean with a forceful spray of water as water could contaminate the fuel system.
Spark Plug
Clean spark plug and reset gap to .030" at least once a season or every 50 hours of operation. See Figure 12. Spark plug replacement is recommended at the start of each season. Refer to engine parts list for correct spark plug type.
NOTE: Do not sandblast spark plug. Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent.
Feeler gap .030"
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Air Cleader
/Flange | 1 |
|
Filter | Re}aine 1 | Muffler |
| ,_JCover / | & |
Tab |
| |
|
| |
Retainer |
|
|
Figure 11 |
|
|
Spark Plug
Figure 12
WARNING: Do not operate the lawn mower without a muffler, or tamper with the exhaust system. Damaged mufflers or spark arresters could create a fire hazard. Temperature of muffler and nearby areas may exceed 150 ° F(65°0).
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