77MS 440, MS 440 C
: Take the screws (arrows) out of
the annular buffers.
VA
176RA308
: Pull the tank housing forwards,
pressing the manifold flange out
of the tank housing at the same
time.
VA
176RA309
: Unplug the impulse hose (arrow)
from the connector.
VA
176RA102
– Turn the tank housing to the side.
: Ease the grommet out of the
housing and pull out the wiring
harness.
VA
176RA101
: Remove the rings (arrows) from
the tank housing.
– The impulse hose, fuel hose,
switch shaft, throttle trigger and
tank vent must be removed
before replacing.
VA
176RA310
If the screw thread for the special
self-threading screws is damaged,
the tank housing can be repaired by
fitting a threaded insert.
: Drill the damage thread to a
diameter a = 8.5 mm (0.33 in) and
depth of b = 15 mm (0.59 in).
a
b
VA
176RA334
Important!
The required depth of 15 mm
(0.59 in) must not be exceeded
under any circumstances.
: Turn a size M6x10 screw with
washer into the threaded insert.
– Screw the threaded insert into the
tank housing.
VA
176RA312