BTS 630, 635 10 Maintenance
Operator's manual 65
10.3.11 Cleaning the exhaust port
Note: For EPA machines (in the USA and Canada), have the exhaust port of the
machine cleaned by the service team of your Wacker Neuson
representative every 90 h.
1. Detach the cutting device, see chapter Initial start up, mounting the cutting
attachment on the outside.
2. Remove the spark plug cap.
3. Unscrew and remove the muffler.
4. To stop the cylinder area from getting dirty, bring the piston to the top
position.
5. Use a wooden tool (e.g. stick) to remove the combustion residue in the
exhaust port.
6. Clean the seal face of the cylinder and muffler.
CAUTION
Improper handling can severely damage the machine.
f Do not use hard or metallic tools for cleaning.
f Make sure that no combustion residue enters the cylinder.
Item Description Item Description
1 Seal 3 Screw (4 pieces)
2 Muffler
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