General Maintenance, Daily, HourMaintenance

General Maintenance

MAINTENANCE, REPLACEMENT OR RE-PAIR OF EMISSION CONTROL DEVICES AND SYSTEMS MAY BE PER- FORMED BYANY REPAIR ESTABLISH-

MENT OR INDIVIDUAL; HOWEVER, WARRANTY REPAIRS MUST BE PER- FORMED BYA DEALER OR SERVICE CENTER AUTHORIZED BY SWISHER. THE USE OF PARTS THATARE 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

_IkWARN NG!

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

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.

Daily	Maintenance
Prior to	each work day, perform the	m Carefully remove any accumulation of
following:		dirt or debris from the muffler or the
m Remove dirt or debris from the engine,		fuel tank. Dirt build-up in these areas
m Remove dirt or debris from the engine,

	check the cooling fins and air cleaner for	could cause engine overheating, induce
		premature weal', or create a fire hazard.
	clogging and clean them as necessary.

m Check for loose or missing screws or components. Make sure the cutting at- tachment is securely fastened.

m Check the entire unit for leaking fuel or grease.

I 0-HourMaintenance

(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.

Direct the air stream at the inside face of

the filter only!

Unscrew

Fasteners

Figure 28,4

6.Install the air cleaner element, pre-filter and cover in the reverse order of removal.

Pre-Filter

Air Cleaner

Element

Figure 28B

CAUTION!

Neveroperate the unit if the air cleaner assembly is damaged or missing!