Swisher E4-U3000 Manuel D'utilisation page 12

Maintenance (continued)
10 hour maintenance
(more frequently in dusty conditions)
1. Remove the air cleaner cover by loos-
ening the two thumbscrews.
2. Remove and inspect the pre-filter. If the
pre-filter is torn or otherwise damaged,
replace it with a new one.
a. Clean the pre-filter with soap and
water. Let dry before reinstalling.
1. Inspect the air cleaner element. If
the element is damaged or distorted,
replace it with a new one.
2. Tap filter gently on a hard surface to
dislodge debris from element or use
compressed air from the inside to
blow debris out and away from the air
cleaner element.
3. Install the air cleaner element, pre-fil-
ter and cover in the reverse order of
removal.
10/15 hour maintenance
Remove and clean the spark plug.
Remove and clean the spark plug. Adjust
the spark plug electrode gap to 0.024 - 0.028
inch (0.6 - 0.7 mm). If the spark plug must
be replaced, use only an NGK CMR5H or
equivalent resistor type spark plug of the
correct heat range
CAUTION!
Before removing the spark plug, clean
the area around the plug to prevent
dirt and debris from getting into the
engine's internal parts. .
NOTE
The NGK CMR5H also meets the
requirements for electro magnetic com-
pliance (EMC).
12
Loosen
thumbscrews
IMPORTANT!
Direct the air stream at the inside face of
the filter only!
Air filter
element
CAUTION!
Never operate the unit if the air cleaner
assembly is damaged or missing!
(0.6–0.7 mm)
0.024–0.028 inch
The the spark plug
and adjust the gap at
the electrode
Pre-filter
spark plug gap