Husqvarna 390XP Workshop Manual page 13

7. Remove the spark plug and fit the piston stop.
Remove the clutch with the clutch tool. Note the
left-hand thread. Screw in the direction of the arrow.
See fig. 5.
8. Remove the four screws (B) and the cover over the
chain brake mechanism. See fig. 6.
9. Press down the retaining bush (H) while releasing
the lever (I) with a screwdriver. See Fig 7.
10. Remove the pressure spring by freeing the back end
with a screw driver. See fig. 8.
11. Remove the toggle joint (J) with attached brake
strap. See fig. 8.
12. Remove the brake strap from the toggle joint.
13. Take out the retaining bush (H) with spring. See fig.
5.
5.2 Cleaning and inspection
• Carefully clean and examine all parts. Parts must be
replaced if cracked or show signs of other defects.
Always use original spare parts.
• Measure the thickness of the chain brake band.
It must not be less than 0.8 mm at any point. See
Figure 9.
• Lubricate the knee joint with grease.
Fig 5
Fig. 4
B
Fig 6
Fig. 1
Fig 7
Fig. 5
Fig 8
Fig. 6
Min. 0.8 mm
Fig 9
Fig. 7
Chain brake
A
I
H
J
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