Engine Crankcase - Shindaiwa 300 Service Manual

Engine Crankcase
Section
8
Disassembly
(Typica l)
STEP 1. Lock Ihe cranksh aft by IIl serting
a
soft piston stop Ih rough the spark plug hole
(Figure 84) , and the n remove lhe flywheel
nut (counter-clocl<;wise lo remove)
STEP 2. Remove Ihe four cylinde r mounting
bolts, and remove Ihe cyl inder as de­
scribe d in Sec tion 7 "Cylinders and Pis­
lon s."
STEP 3. Install
p/n
22 150-96101 fl ywheel
pul ler as sll own, and remove Ihe flywheel
Irom Ihe crankshaft (Figure 85)
STEP 4. Use d iagonal pliers to remo e Ihe
cran kshafl woodruff key Irom lhe machined
slot on Ihe fly heel en d ot the cran kshart
(Figure 8.6)
STEP 5. Loosen and remove lhe two Alle n
screws securing lhe crankcase halves al
Ihe front
01
the saw (Figure 87)
o
ATIENTION!
Saw mode l 757 has an additional cran k­
case sc rew located in a recess near lhe
oil lank filler cap
STEP 6. Loosen and rem ove Ihe th ree/tour
Alle n screws Irom aro und lhe crank shaft.
STEP 7. Re move the phllli ps ead screw at
the rear of th e
e
ankcase (Models 300 ,
300S , 360 , 377 , 488 onl y) . See Figure 8.8
an d lhe Tabl e below.
Crankcase Fastener Locations
Model
300, 300S
360, 377
488
575, 577.
680, 695
75 7
Location
Quantity
Crankca se
3
Oil Ta nk
2
Rear
Cran kcase 4
Oil Tank 2
Rear
Crankea se 4
Oil Tank
2
Crankcase 4
Oil Tank 3
Plas tic Pis ton
Stop
Starte r
Co rd
Flgtlfe 8 4 Loc" (he Crankshafl
FI
Clockwise
to re move
p/n 22 150-9 61 0 1
ure 8.5 Using a Flywheel Pul/er
Key
Flg re 8. 6 Removing (he Woodruff Key
2 Oil Third Screw (757 only)
Tank
4 Crankca se
Figure 8.8 Crankcase Rear Screw Location
~ Srllnda,wa !ne. 1995
81