How to Take Off a Spark Arrestor

Power equipment such as trimmers that use nylon cutting line or blades for cutting grass and heavy weeds are used in a variety of situations from home owner use to commercial applications. Small engines used on trimmers often feature a spark arrestor screen designed to catch small hot sparks coming from the exhaust. These sparks, if not blocked, are capable of starting fires when a trimmer is operated in areas that have an abundance of dry fuel including dry grass, brush and limbs.

Socket wrench and sockets
Screwdriver

Instructions

- 1
  Locate the air filter housing on the front or side of the trimmer engine based on the particular model. Pull the housing from the muffler by pressing in on side clips or use a screwdriver if necessary. Remove the housing and inner filter from the trimmer.
- 2
  Loosen and remove the screws holding the muffler cover in place on the trimmer engine with a screwdriver or use a socket and wrench based on the model.
- 3
  Pull the screws out from the muffler cover and pull the muffler cover from the trimmer engine.
- 4
  Turn the muffler cover over. Remove the muffler gasket from the inside of the muffler cover carefully so it it is not damaged or torn during removal.
- 5
  Locate the spark arrestor screen under the muffler gasket. Slide the tip of a blade screwdriver under the edge of the spark arrestor and pry loose from the muffler cover.

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