Maintenance and Adjustments
General Maintenance
IMPORTANT!
MAINTENANCE, REPLACEMENT OR
RE-PAIR OF EMISSION CONTROL
DEVICES AND SYSTEMS MAY BE PER-
FORMED BY ANY REPAIR ESTABLISH-
MENT OR INDIVIDUAL; HOWEVER,
WARRANTY REPAIRS MUST BE PER-
FORMED BY A DEALER OR SERVICE
CENTER AUTHORIZED BY SWISHER.
THE USE OF PARTS THAT ARE NOT
EQUIVALENT IN PERFORMANCE AND
DURABILITY TO AUTHORIZED PARTS
MAY IMPAIR THE EFFECTIVENESS OF
THE EMISSION CONTROL SYSTEM
AND MAY HAVE A BEARING ON THE
OUTCOME OF A WARRANTY CLAIM.
Air Filter
The E4 engine that powers your Swisher mod-
el is a hybrid 4-stroke engine. As a hybrid,
the engine is lubricated by oil mixed with
the gasoline and air from the carburetor that
moves through and around the internal parts
Daily Inspection and Maintenance
WARNING!
Accidental start-ups can cause severe
injury! Before performing any main-
tenance on this equipment, stop the
engine and disconnect the spark plug!
1. Remove all grass clippings and dirt from
the hedge trimmer.
n Remove any compacted debris from
around the fuel tank and/or muffler.
n Inspect the engine cooling fins for
clogging, and clean as necessary.
n Clean under the cylinder cover and
around the spark plug.
n Inspect the air filter element for clog-
ging, clean as necessary.
. Check for loose, damaged, or missing
components, and repair as necessary.
3. Lubricate the cutters with oil before use,
and after refueling.
4. Check the cutters for damage and make
sure all bolts are tight.
WARNING!
To reduce fire hazard, keep the engine
and muffler free of debris, leaves, or
excessive grease.
8
WARNING!
Before performing any maintenance,
repair or cleaning work on the unit,
make sure the engine and cutting at-
tachment are completely stopped. Dis-
connect the spark plug wire before per-
forming service or maintenance work.
WARNING!
Non-standard parts may not operate
properly with your unit and may cause
damage and lead to personal injury.
of the engine in a similar way that a -stroke
engine is lubricated. Without the heavy duty
-stage air filter equipped on all E4 engines,
dust and dirt could also move through the en-
gine, decreasing engine life, increasing valve
Inspect cooling
fins, and clean as
required
Clean debris from
tank and muffler
Figure 12
Keep cooling air
intake passages clean
(Fuel tank removed
for clarity)
Figure 13
Using non-standard replacement parts could
invalidate your Swisher warranty.
Muffler
This unit must never be operated with a faulty
or missing spark arrester or muffler. Make
sure the muffler is well secured and in good
condition. A worn or damaged muffler is a
fire hazard and may also cause hearing loss.
Spark Plug
Keep the spark plug and wire connections
tight and clean.
Fasteners
Make sure nuts, bolts, and screws (except
carburetor adjusting screws) are tight.
wear and the need for more frequent valve ad-
justments. To keep your E4 engine strong and
reliable, Swisher recommends that you check
and service the air filter as instructed in the
10-Hour Maintenance section that follows.
Clean around
spark plug
Inspect/clean
air filter ele-
ment
Keep cooling
fins clean
NOTE:
Lubricate
cutters
Check cutters and guide
bar for damage and that
bolts are tight
Inspect front and rear handles for
damaged or loose attachments