Stihl BR 380 Instruction Manual - Page 14

Fuel

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Fuel English / USA 10 Adjusting the Harness Straps : Pull the ends of the straps downward to tighten the harness. 11 373BA002 KN Adjusting the Control Handle : Put the unit on your back. : Loosen the clamp screw (11). : Slide the control handle (10) along the pleated hose to the most comfortable position. : Tighten down the clamp screw (11). Loosening the Harness Straps : Lift the tabs of the two sliding adjusters. : Adjust the straps so that the backplate is held firmly and comfortably against your back. 373BA004 KN 373BA003 KN This engine is certified to operate on unleaded gasoline and the STIHL twostroke engine oil at a mix ratio of 50:1. Your engine requires a mixture of highquality 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! BR 380 13

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13
BR 380
English / USA
Adjusting the Control Handle
:
Put the unit on your back.
:
Loosen the clamp screw (
11
).
:
Slide the control handle (
10
) along
the pleated hose to the most
comfortable position.
:
Tighten down the clamp screw (
11
).
Adjusting the Harness Straps
:
Pull the ends of the straps
downward to tighten the harness.
Loosening the Harness Straps
:
Lift the tabs of the two sliding
adjusters.
:
Adjust the straps so that the
backplate is held firmly and
comfortably against your back.
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!
11
10
373BA002 KN
373BA003 KN
373BA004 KN
Fuel