Preparing To Operate The Grass Trimmer; Step 1 - Filling With Engine Fuel; Operating The Grass Trimmer; Step 1 - Removing The Blade Protector - Qualcast GDB30B Assembly Manual

Preparing to Operate the Grass Trimmer

Step 1 - Filling with Engine Fuel

1a
40:1
10
A
B
5
10
5
This product is powered by a 2-Stroke engine and requires pre-mixing of petrol and 2-cycle oil.
Mix a high quality 2-Stroke engine oil according JASO FC classic. Do not use automotive oil or
2-cycle outboard oil. DO NOT mix quantities larger than usable in a 30 day period.
1a. FUEL MIXTURE: 1 Litre (1000 ml) petrol: 25cc (25 ml) 2 Stroke engine oil (40:1 ratio)
Using the markings under the label 40:1 on the bottle pour the fuel in the left hand side ('A') up to
the required level eg 5 or 10 then fill the right hand side ('B') up to the same corresponding mark
with oil. Shake vigorously to mix the two products prior to pouring into the tank of brush cutter.
WARNING! Ensure you use the 40:1 scale as the bottle is capable of mixing 25:1 and 50:1 ratios
also using the other scales on the reverse side.
1b. FILLING TANK
Clean surface around fuel cap to prevent contamination. Loosen fuel cap slowly. Rest the cap on
a clean surface. Carefully pour fuel into the tank. Avoid spillage. Prior to replacing the fuel cap,
clean and inspect the seal located inside the fuel cap. Immediately replace fuel cap and hand
tighten. Wipe up any fuel spillage.
NOTE! It is normal for smoke to be emitted from a new engine after first use.
WARNING! Always shut off engine before fueling. Never add fuel to a machine with a running or
hot engine. Move at least 30ft.(9 m) from refueling site before starting engine. Do not smoke!
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1b

Operating the Grass Trimmer

Step 1 - Removing the blade protector

Remove the blade protector.

Step 2 - Starting the Engine

FULL CHOKE position
HALF CHOKE position
Choke will automatically
return to 'Run' position
when Throttle is pressed
Pull cord until motor runs
RUN position
2a To start a cold engine
1) Lay the machine on a flat surface free of growth. resting it on the motor and on the protective
hood.
2) Set START/STOP switch ( ) to START
A
3) Gently press primer bulb ( ) often enough that no more bubbles are visible (approx. 7 times).
B
4) Set choke lever ( ) fully downwards (FULL CHOKE
C
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A
B
D
C
.
).
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