Assembling Crankshaft And Crankcase; Installing Piston - Echo shindaiwa PB-8010 Service Manual

PB-8010, EB810

7-11 Assembling crankshaft and crankcase

C

7-12 Installing piston

E
G
A
B
A
B
C
C
D
B
F
ENGINE
1. Clean mating surface of each crankcase half.
2. Heat ball bearing for easier installation. Then
insert crankshaft starter end (A) into starter side
crankcase half (B) until properly seated.
WARNING
When using a heat gun, wear gloves. Other-
wise, a burn will result.
3. Place new crankcase gasket (C) on starter side
crankcase half (B) .
4. Reassemble both crankcase halves together
ensuring that dowel pins on crankcase half are
properly seated in holes of the opposite crankcase
half.
5. Tighten four bolts to secure crankcase halves
together and check crankshaft for smooth rotation.
NOTE: If crankshaft doesn't rotate smoothly, tap
both ends of crankshaft with plastic mallet several
times. And recheck crankshaft for smooth rotation.
6. Carefully remove excess portion of crankcase
gasket (C) with sharp knife.
1. Place piston over the small end of connecting
rod, so that the arrow mark (A) on piston points to-
ward muffl er.
2. Insert piston pin guide (B) stamped "9", through
piston, washers (C) and needle bearing (D) in con-
necting rod as shown.
3. Insert piston pin (E) in piston pushing out piston
pin guide (B) using piston pin tool 897702-30131 (G)
and piston holder 897719-02830 (F).
4. Install new snap rings to the piston pin bore,
and be sure that they are correctly seated in the
grooves.
53
DANGER