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FUEL AND LUBRICATION
FUEL
Use only regular grade leaded gasoline. Do not use highly
leaded. unleaded or low lead gasolines Chain saw fuel is a
mixture of gasoline and lUbricating oil. The correct ratio of
gasoline to oil is very important. Follow the ratios in the Fuel
Mixture Table. McCulloch 40: 1 Two-Cycle Custom Lubricant
is recommended. If not available. use a good grade SAE 40
two-cycle oil at a ratio of 20 to 1.
MIXING FUEL
Mix fuel in a container equipped with a flexible spout and
strainer. Pour half of the gasoline and all of the oil into the
container. Shake the container vigorouslyl Add the rest of the
gasoline and shake container vigorously again. Thoroughly
mixed fuel makes your saw run better.
CAUTION:
Fuel additives or special starting fluids should not
be used because seals and other rubber composition parts
may be damaged.
CHAIN LUBRICATION
Always refill the chain oil tank each time the fuel tank is re-
filled. We recommend using McCulloch Chain. Bar and
Sprocket Oil, which contains additives to reduce friction and
wear and to assist in the prevention of pitch formation on the
bar and chain. If McCulloch Chain, Bar and Sprocket Oil is not
available, use SAE 30 non-additive motor oil at temperatures
above 40° F (5° C) and SAE 10 non-additive motor oil at
lower temperatures ..
FUEL MIXTURE TABLE
Gasoline
McCulloch 40:1 Ratio
SAE 40 Two-Cycle Oil
Custom Lubricant
20:
1 Ratio
l,
U. S. Gal.
1. 6 oz.
48 ml
(ee)
3.2 oz.
95 ml
(ee)
1 U.S. Gal.
3.2 oz.
95 ml
(ee)
6.4 oz. 190 ml
(ee)
5 U. S. Gal.
16.0 oz. 475 ml
(ee)
32.0 oz. 950 ml
(ee)
1 Liter
0.9 oz.
25 ml
.(ee)
1.
7 oz.
50 ml
(ee)
5 Liter
4.3 oz. 125 ml
(eel
8.5 oz. 250 ml
(ee)
20 Li ter
17.0 oz. 500 ml
(ee
34.0 oz. 1000 ml
(ee)
1 Imp. Gal.
4.3 oz. 125 ml
(ee)
8.6 oz. 250 ml
(ee)
2 Imp. Gal.
8.6 oz. 250 ml
~~~l
17.1
oz. 500 ml ~eel
5 Imp. Gal.
21.4 oz. 625 ml
42.8 oz. 1250 ml
ce
Mixing
40 parts gasoline to
20
parts gasoline to
Procedure
1 part lubricant
1 part lubricant
1 ml = lcc
7
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