Stihl 088 - Page 54

STIHL 088 54
- An M6x18 pan head screw must
then be used in place of the original
special self-threading screw.
Reassemble in the reverse sequence.
- To replace the impulse hose,
remove the fuel hose, switch shaft,
throttle lever and tank vent.
Note: If a screw thread is stripped in
one of the mounting holes for special
self-threading screws, the tank housing
can be repaired by installing a thread
insert.
• Pull the impulse hose off the
nipple.
• The stripped thread must be
drilled out to a diameter of
'a' = 8.5 mm and a depth of
'b' = 15 mm (approx. 9/16").
Caution: Do not exceed the
specified hole depth of 15 mm.
• Fit the manifold in the tank housing
intake opening as follows: Wind a
piece of string (1)
(approx. 15 cm / 6" long) around
the back of the manifold flange.
Pass the ends of the string through
the intake opening.
• Push the manifold down.
• Fit an M6x10 screw with washer in
the thread insert.
- Screw the thread insert into the
tank housing.
• Remove the rings from the tank
housing.
• Pull the tank housing forward and
push the manifold flange out of the
tank housing at the same time.