Maintenance - Swisher E4-S4000 Owner's/Operator's Manual

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 Maintenance
Prior to each work day, perform the
following:
n Remove dirt or debris from the engine,
check the cooling fins and air cleaner for
clogging and clean them as necessary.
10-Hour Maintenance
(more frequently in dusty conditions)
1. Remove the air cleaner cover by loosening
the two thumbscrews. See Figure 28A.
2. Remove and inspect the pre-filter. If the
pre-filter is torn or otherwise damaged,
replace it with a new one. See Figure 28B.
3. Clean the pre-filter with soap and water.
Let dry before reinstalling.
4. Inspect the air cleaner element. If the
element is damaged or distorted, replace
it with a new one.
5. Tap filter gently on a hard surface to dis-
lodge debris from element or use com-
pressed air from the inside to blow debris
out and away from the air cleaner element.
IMPORTANT!
Direct the air stream at the inside face of
the filter only!
12
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 2-stroke
engine is lubricated. Without the heavy duty
2-stage air filter equipped on all E4 engines,
dust and dirt could also move through the en-
gine, decreasing engine life, increasing valve
n Carefully remove any accumulation of
dirt or debris from the muffler or the
fuel tank. Dirt build-up in these areas
could cause engine overheating, induce
premature wear, or create a fire hazard.
Unscrew
Fasteners
Figure 28A
6. Install the air cleaner element, pre-filter
and cover in the reverse order of removal.
NOTE:
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.
n Check for loose or missing screws or
components. Make sure the cutting at-
tachment is securely fastened.
n Check the entire unit for leaking fuel or
grease.
Air Cleaner
Element
Figure 28B
CAUTION!
Never operate the unit if the air cleaner
assembly is damaged or missing!
Pre-Filter