honda-power-equipment hht31s ユーザーズマニュアル

HHT31S
The spark arrester must be serviced every 100 
hours to keep it functioning as designed.

If the engine has been running, the muffler will be 
very hot. Allow the muffler to cool before 
servicing the spark arrester.

1. Remove the four 5 x 18 mm bolts from the 

recoil starter, and remove the recoil starter.

2. Disconnect the spark plug cap from the spark 

plug. Pull the spark plug wire and the ignition 
switch wire out of the retainers in the top 
cover.

3. Remove the two 5 x 22 mm bolts from the top 

cover, and remove the top cover.

4. Remove the three 5 mm screws from the 

muffler cover, and remove the muffler cover.

5. Remove the 4 mm screw from the spark 

arrester, and remove the spark arrester.

6. Use a brush to remove carbon deposits from 

the spark arrester screen. Be careful to avoid 
damaging the screen.
The spark arrester must be free of breaks and 
holes. Replace the spark arrester if it is 
damaged.

7. Install the spark arrester, muffler cover, top 

cover, and recoil starter in the reverse order of 
disassembly.