Installing Piston And Cylinder - Echo shindaiwa CSG-7410ES Service Manual

CSG-7410ES
EC741S
7-10 Installing piston and cylinder
C
A
B
F
D
E
G
ENGINE
Installing piston and piston rings
1. Lubricate needle bearing with 2-stroke oil and
then insert the needle bearing into small end of
connecting rod.
2. Place piston over the small end of connecting
rod, so that the arrow mark (A) on piston points
front (muffler side) as shown.
3. Insert Piston pin guide (B) stamped "757",
through piston and needle bearing in connecting
rod as shown.
NOTE: Piston pin guide (B) is included in Piston
pin tool X640-000090.
4. Insert piston pin (C) in piston pushing out piston
pin guide (B).
5. Install new snap rings (E) to piston using small
flat head screwdriver or appropriated tool (F) and
make sure that they are correctly seated in the
grooves (D).
6. Install piston rings on piston, ensuring the end
gaps of piston ring are properly around locating pin
(G) as shown.
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