Sears 358.356090-3.7/20" Chainsaw User Manual


 
5. Remove the pulley screw in the center of the
..... pulley. Figure 50. _ _ _ :.. "
6. Lift the pulley carefully while gently twisting it
counterclockwise _ , and remove the
_ old rope. .: :
7. Move away from the fuel tank and burn the
end of the new rope to go into the pulley. '
8. Pull the burnt end while hot through a_rag to
smooth it.
9. Feed the rope through the housing and the
round starter hole. Figure 50.
10. Put the rope into the pulley groove and up
through the hole.
11. Wrap rope counterclockwise around pulley
rachet end and tuck loose end back under
rope leaving a 3/8 to 1/2 inch tail.
12. Rewind all the rope onto the pulley, turnin
court ....
13. Set the pulley into thehousing; PUSh it down
: and engage the spring;:
;_14. Replace and tighten the pulley screw.
D, CLUTCH,ANDDRUM!SPROCKET
WARNING!
Do not start engine without Guide Bar, Chain,
and Bar Clamp completely assembled. The
clutch Can come off without the guidebar and
chain co_PleteL assembled and serious injury
could resulL Do not loosen and spin the clutch
off of the crankshaft with a power too!, The
clutch shoes and drum could separate causing
the clutch to violentlyfly apart and serious per-
sonal injury could result. :_: _ :. :;.
Take the saw to yournearestSears Service
Center for full. clutch'inspect{on and Service
after each 100 hours of operation./t is recom-
mended that you do not try i to'_service the
c/utch yourse/f un/ess you am a competent
,..... sma/[ engine mechanic and have the proper
;_ _ ,clutch service too/s. Proper disassembly and
!5,
16.
17.
18.
Pull out 12 inches of rope and catch the rope
in. the slot inthe pulley. Figure 51.
"rurn the pulley 3 complete turns clockwise,
,,,"_ windingup the spring.
Hold the pulley and pull the starter rope to
the full extent of length and let the rope re-
wind slowly.
Replace fan housing withthe fourscrews in
their proper location.
Replace the sprocket whenever a new chain
is installed in order to gain the full life ex-
pectancy of the chain. Use the following pro-
./cedure:. _ _
Items Required: Scrench
9/16" Socket Wrench
3/4" Socket Wrench
1. Remove the:carburetor cover and pull the
spark plug away from the rubber connector.
2. Remove the bar clamp, outer guide plate,
guide bar, and chain. Figure53.
CHAIN WEAR ON DRIVE SPROCKET
i
repair of the clutch is extremely important to
the life of the engine and thesafety of the
operator. .....
WEAR IS VISIBLE
ON SPUR TYPE
RIM TyPE WEARS INSIDE
..... (Model 358,354871)(Model 358.354831) , ,,
Clutch maintenance is requiredwhen:
--the chain continues to turn while engine
idles after the idle speed screw has been
adjusted to its capacity.
--slippage occurs during a cut.
.--a chattering noise occurs during cutting.
Clean the clutch, drum/sprocket_ and sur-
rounding area daily during heavy, use of the
saw: Check't0 see that the clutch drum turns
freely and Smo0thty.
Inspect the sprocket regularly for wear. A
worn sprocket will make the chain run er-
ratically and will Shorten the life of the bar
and chain. Figure 52.
BAR CLAMP
Figure 52
(_OUTER
UIDE PLATE
BAR MOUNTING
NUTS 6
III I iiii
L ''
21