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Model358-350842(Craftsman2.1)
CHAIN INSTALLATION (CONT'D.)
Model 358-350870(Craftsman 2.1 PS) Model 35.8-350880 (Craftsman 2.3 PSFVL)
5. Slide bar forward and:fit adjustment hole in bar
over adjusting pim if you have trouble fitting the adjust- ....
ing pin into the hole, use a small endedscrewdriver to :
guide the pin into the hole. The pin may have to be ......
adjusted backwards or forwards with adjusting screw
(Figure 4B) to line up with the hole in the bar. Figure 4A.
6. Replace outside guide piate, bar clamp, washer,
and screw. Tighten bar clamp screw finger tight. Make
sure hole in bar and adjusting pin are properly aligned.
7. Raise tip of bar and turn the adjusting screw clock-
wise to tension the chain. Figure 4B. There should be _,
light tension in the chain, but the chain should move
around the bar freely when pulled by hand,
Be careful, the chain teeth are sharp] Continue to hold
the nose of the bar up and tighten the bar clamp screw
with the wrench provided. Now pull the chain along the
bar to be sure you have the right tension. If the chain is
too tight, toosen the bar clamp screw slightly, turn the
adjusting screw counterclockwise a little and lift up on
the chain. Then tighten bar clamp screw. Recheck chain
tension. Lift the chain off of the middle of the length of
the bar. if it is loose enough for the tangsto come out of
the bar groove, the chain istoo loose. You should only be
able to lift the chain 1/8"" from bar. Whenever using a new
chain, check chain tension often, as new chain stretches.
After the chain hasbeen used for awhile, it isa goodprac-
tice to check chain tension every time the gas tank is
filled. Proper chain tension is very important to help in-
sure maximum performance from your chain saw.
Fig. 4A
Fig. 4B
Adjusting
Pin
FUEL MIX
Model 358-350842 (Craftsmen 2.1) Model 358-350870
Your chain saw is powered by a 2 cycle engine and re-
quires a fuel mixture of gasolineand oil. The proper fuel
mixture i116 parts gasoline to 1 part oil, or 1/2 pint (8
oz.) Sears oil Cat. 32-36555 to one gallon or one imperial
gallon of "regular" leaded gasoline. If Sears oil is not
(Craftsman 2.1 PS) Model 358-350880 (Craftsman 2.3 PS/VL)
available, useSAE No. 30 nondetergent oil (MS or better).
Do not use multi-viscosity oils (10W-30) or reprocessed
oils in your fuel mix. Prepare the mixture in a separate
container and shake well to assurecomplete mixing. Do
not usedirty oil or old (stale) gasoline.
Model 358-350842 (Craftsman 2.1)
CHAIN OIL
Model 358-350870 (Craftsman 2.1 PS) Model 358-350880 (Craftsman 2.3 PS/VL)
Remove the oil flit capand fill the oil tank with S.A.E. No..
30 (SD) oil. This oil is for chainand bar lubrication and is
in no way connected with the fuel mix. The oil tank should
be filled every time the fuel tank is filled. For cold
weather operation. Above 40 degree F use SAE 30 oil: 40
to 0 (zero) degree useSAE 10: Below 0 degree F use 10%
kerosene and 90% SAE 30. Be careful to keep the fuel mix
and oil free from contamination. Wipe off the saw after
filling the fuel and oil tanks if either hasbeen spilled. Under
normal cutting conditions, push the oil button once every
10 seconds.Under heavy, or dirty cutting conditions, push
the oil button once every 5 seconds.This will prevent the
bar and chain from burning.
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