Bucking Spike; Fueling - Efco MT 3700 Operator's Instruction Manual

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OPERATION

Bucking Spike

WARNING: Your chain saw is fitted with a bucking
spike (A, Fig. 34). The bucking spike is very sharp
and can cause injury. Be extremely careful when
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working near the bucking spike.
WARNING: Removal of the bucking spike will violate
the saws compliance of SAE J335 and other stan-
dards. See Safety-State and Local Requirements.

Fueling

(Do Not Smoke!) (Fig. 37)
35 This product is powered by a 2-cycle engine and requires pre-
mixing gasoline and 2-cycle oil. Pre-mix unleaded gasoline and 2-
cycle engine oil in a clean container approved for gasoline (Fig.
35).
RECOMMENDED FUEL: THIS ENGINE IS CERTIFIED TO OPE-
RATE ON UNLEADED GASOLINE INTENDED FOR AUTOMOTI-
VE USE WITH AN OCTANE RATING OF 89 ([R + M] / 2) OR
HIGHER (Fig. 36).
Mix 2-Cycle Engine Oil with gasoline according to the instructions
on the package. If 2-Cycle Engine Oil is not available, use a high
quality 2-cycle engine oil for correct mixing proportion see table
below (pag. 19).
36
CAUTION: DO NOT USE AUTOMOTIVE OIL OR
2-CYCLE OUTBOARD OIL.
CAUTION: Never use a fuel with an alcohol percentage
higher than 10%; gasohol up to 10% alcohol or E10
fuel are acceptable.
When using an Oxygenated Gasoline a good practice of Fuel
Management is necessary.
Gasoline Oxygenated with alcohol readily takes/up water when it
is present; the water may be condensed out of humid air or be a
contaminant in the fuel system, including tank.
37
CAUTION:
- Match your fuel purchases to your consumption;
don't buy more than you will use in one or two
months;
- Store gasoline in a tightly-closed container in a
cool, dry place.
The use of Oxygenated Gasoline may cause the occurrence of
vapor-lock easier.