STIHL BG 86 Instruction Manual download pdf (Page 16)

BG 56, BG 56 C, BG 66, BG 86, BG 86 C, SH 56, SH 56 C, SH 86, SH 86 C

English

14

Removing the Suction Tube.

N Shut off the engine.

N Rotate the union nut in the direction

of the arrow as far as the stop.

N Insert a suitable tool through the

opening in the union nut to press

down the tab.

N Continue turning the union nut in the

direction of the arrow as far as the

next stop.

N Remove the suction tube.

N Close the intake screen and lock it

in position.

This engine is certified to operate on

unleaded gasoline and the STIHL two-

stroke engine oil at a mix ratio of 50:1.

Your engine requires a mixture of high-

quality gasoline and quality two-stroke

air cooled engine oil.

Use mid-grade unleaded gasoline with a

minimum octane rating of 89 (R+M/2). If

the octane rating of the mid-grade

gasoline in your area is lower, use

premium unleaded fuel.

Fuel with a lower octane rating may

increase engine temperatures. This, in

turn, increases the risk of piston seizure

and damage to the engine.

The chemical composition of the fuel is

also important. Some fuel additives not

only detrimentally affect elastomers

(carburetor diaphragms, oil seals, fuel

lines, etc.), but magnesium castings and

catalytic converters as well. This could

cause running problems or even

damage the engine. For this reason

STIHL recommends that you use only

nationally recognized high-quality

unleaded gasoline!

Use only STIHL two-stroke engine oil or

equivalent high-quality two-stroke

engine oils that are designed for use

only in air cooled two-cycle engines.

We recommend STIHL 50:1 two-stroke

engine oil since it is specially formulated

for use in STlHL engines.

Do not use BIA or TCW rated (two-

stroke water cooled) mix oils or other

mix oils that state they are for use in both

water cooled and air cooled engines

(e.g., outboard motors, snowmobiles,

chain saws, mopeds, etc.).

Take care when handling gasoline.

Avoid direct contact with the skin and

avoid inhaling fuel vapor. When filling at

the pump, first remove the canister from

your vehicle and place the canister on

the ground before filling. Do not fill fuel

canisters that are sitting in or on a

vehicle.

The canister should be kept tightly

closed in order to avoid any moisture

getting into the mixture.

The machine‘s fuel tank and the canister

in which fuel mix is stored should be

cleaned as necessary.

Fuel mix ages

Only mix sufficient fuel for a few days

work, not to exceed 3 months of storage.

Store in approved fuel-canisters only.

When mixing, pour oil into the canister

first, and then add gasoline. Close the

canister and shake it vigorously by hand

to ensure proper mixing of the oil with

the fuel.

Dispose of empty mixing-oil canisters

only at authorized disposal locations.

295BA063 KN

Fuel

Gaso-

line

Oil (STIHL 50:1 or equiva-

lent high-quality oils)

US gal. US fl.oz

12.6

2 1/2 6.4

5 12.8

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 71 72

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