Stihl TS 700, TS 800 - Diaphragm, Stratified Scavenging; Piston Rings

34 TS 700, TS 800
– Remove cylinder, b 7.6.1
– Undo screws (arrows).
Note:
The diaphragms on opposite sides
are identical.
376RA090 TG
: Pull out diaphragm (1) with
support plate, examine it and
replace if necessary.
Note:
Faulty diaphragms may lead to
impaired engine operation.
1
376RA096 TG
: Slide the diaphragm and support
plate into the opening in the
cylinder wall with a suitable tool,
ensuring that the lug (1) on the
support plate is lined up with the
groove (2) in the cylinder.
1
2
376RA126 TG
: Insert the diaphragm and support
plate with the cylindrical shoulder
in the hole in the cylinder wall.
: Insert and tighten down the screw
(arrow).
– Tightening torque, b 3.6
376RA138 TG
– Reassemble remaining parts in
reverse order.
– Remove piston, b 7.6.1
– Remove piston rings from piston.
: Use a piece of old piston ring to
scrape the grooves clean
(arrows).
376RA077 TG
: Install the new piston rings in the
grooves so that the radii at the
ends of the rings (arrows) face
towards the piston head.
376RA078 TG
7.6.3 Diaphragm, stratified
scavenging
7.7 Piston rings