Yamaha EF4000DE - Premium Generator Owner's Manual page 35

711-022
711-050
2
1
711-029a
711-027a
5. Remove the carbon deposits on the muffler
screen and spark arrester using a wire brush.
NOTICE
When cleaning, use the wire brush lightly to avoid
damaging or scratching of the muffler screen and
spark arrester.
6. Check the muffler screen and spark arrester.
Replace them if damaged.
7. Install the spark arrester.
TIP
Align the spark arrester lump to the hole in the muffler
pipe.
1 Spark arrester lump
2 Hole
8. Install the muffler screen and muffler cap, then
tighten the bolt.
9. Install the muffler cover by installing the muffler
cover bolts.
Muffler cover bolt torque:
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
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