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Servicing the Air Filter
Service Interval: Every 25 hours—Clean the foam
pre-filter (more frequently in dusty
conditions).
Every 300 hours—Replace the paper air filter
(more frequently in dusty conditions).
Important:
Do not operate the engine without the
air filter assembly in place; otherwise, extreme
engine damage will occur.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Disconnect the wire from the spark plug.
3.
Remove the cover and clean it thoroughly
(Figure
23).
Figure 23
1. Cover
2. Foam pre-filter and paper
air filter
4.
Remove and the foam pre-filter and the paper-air
filter from the air-filter base
5.
Remove the foam pre-filter from the paper air
filter, and wash the foam pre-filter with a mild
detergent and water, then blot it dry.
6.
Inspect the paper air filter, and replace it if it is
excessively dirty.
Important:
Do not try to clean a paper filter.
7.
Install the foam pre-filter onto the paper air filter.
8.
Install the foam pre-filter and paper air filter onto
the air-filter base.
9.
Install the cover.
g005347
3. Air-filter base
(Figure
23).
Changing the Engine Oil
Service Interval: After the first 8 hours
Every 50 hours
Run the engine a few minutes before changing the oil
to warm it. Warm oil flows better and carries more
contaminants.
Engine Oil Specifications
Engine oil capacity
Oil viscosity
API service classification
*There is residual oil in the crankcase after you drain
the oil. Do not pour the entire capacity of oil into the
crankcase. Fill the crankcase with oil as directed in
the following steps.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Disconnect the wire from the spark plug.
3.
Drain the fuel from the fuel tank.
4.
Place a suitable drain pan under the dipstick/oil
drain.
5.
Clean around the dipstick.
6.
Remove the dipstick by rotating the cap
counterclockwise and pulling it out.
7.
Tip the machine onto its right side (air filter up)
to drain the oil into the drain pan.
8.
After draining the oil, return the machine to the
operating position.
9.
Fill the crankcase to the correct level on the
dipstick with fresh oil; refer to
Engine (page
10.
Insert the dipstick into the filler neck and rotate
the cap clockwise until it is tight.
Servicing the Spark Plug
Service Interval: Every 100 hours—Inspect, clean,
and adjust the spark plug gap;
replace the spark plug if necessary.
Use an NGK BPR5ES spark plug or equivalent.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Disconnect the wire from the spark plug.
3.
Clean around the spark plug.
4.
Remove the spark plug from the cylinder head.
Important:
Replace a cracked, fouled, or
dirty spark plug. Do not clean the electrodes
24
0.65 L (22 fl oz)* without oil
filter; 0.85 L (29 fl oz)* with oil
filter
SAE 30 or SAE 10W-30
detergent oil
SJ or higher
6 Adding Oil to the
9).
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