To Mount Thread Plugs; To Replace The Sealing Strip - Husqvarna Automower 550 Workshop Manual

avoid tension in the plastic, causing malfunction
or not attaining a satisfactory seal.
To ensure the threads in plastic parts are not damaged:
1. Carefully turn the screw counter-clockwise until it
engages the existing threads in the plastic. The
screw will fall slightly by itself when the threads are
located correctly in relation to the existing threads in
the plastic.
1 2
2. Screw in the screw to the correct torque as specified
in Screw fasteners on page 35 .

6.22 To mount thread plugs

If the threads in plastic parts are worn, thread plugs can
be inserted. A repair kit containing thread plugs and
suitable metal screws is available to order.
CAUTION: Fit the thread plug carefully since
there is a risk that the screw bosses crack.
32 - Repair instructions
To mount a thread plug into a worn plastic thread:
1. Make the hole bigger with a 6.6 mm drill to a depth
½
2. Mount the thread plug with the screw that comes
3
3. Make sure the plug is screwed in completely so that
4. Fit the plastic parts with the accompanying screw

6.23 To replace the sealing strip

There is one sealing strip between the upper chassis
and lower chassis in the product.
corresponding with the plug.
with the repair kit and screwdriver.
a good seal is obtained.
CAUTION: Tighten by hand so as not to
damage the plastic.
instead of the old plastic screw.
1541 - 001 -