GH F33 BDA
Chapter 2
Operating of the Engine
2.1 General ly
The absolute attention of this chapter is essential for a long, economic and satisfactory
operating of the engine.
- ONLY USE BRAND 2 STROKE-OIL AND THE PRESCRIBED FUEL (MIXTURE
RATIO 1:50).
- PAY ATTENTION TO THE PRESCRIBED MIXTURE RATIO.
- REMOVE FUEL FROM THE FLOAT CHAMBERS OF THE CARBURETOR BOWLS
AND THE TANK IN CASE THAT ENGINE DOES NOT RUN FOR A LONGER
TIME. AFTER A LONGER STANDING TIME AND BEFORE START-UP ALL FUEL
RESTS SHOULD BE REMOVED FROM THE FLOAT CHAMBERS OF THE
CARBURETTOR AND FROM THE TANK.
- PAY ATTENTION THAT COOLING AND CABURETTOR ARE PROVIDED WITH
SUFFICIENT FRESH AIR.
- PAY ATTENTION, THAT HOT COOLING AIR COULD BE RUN OFF WITHOUT
OBSTRUCTION OR OTHER HINDRANCES.
- PAY ATTENTION THAT THE HOT AIR STREAM IS NOT SUCKED IN FROM THE
CARBURETTOR.
- THE IGNITION SYSTEM HAS TO RUN ONLY WITH RESISTANCE SPARK PLUGS
AND RESISTANCE SPARK PLUG CONNECTOR.
- ALWAYS ENGINE RUN/ WARM UP ITSELF.
2.2 run in recommendation
There are no special run in recommendations for the engines of Göbler Hirthmotoren KG
because the nickel-silica alloy of the cylinder, the aluminium piston and the grey cast-iron of
the piston rings do not have to run in one against the other. The engines are at full throttle
from the moment of their mounting if maximum temperatures meet the recommendations as
mentioned in chapter 1.
As a recommendation for an adequate run in, engine should run at half throttle and half charge
(not more then 4000 1/min) in the first of five hours of running. At the first run there could be
a more intensify formation of smoke due to the fact that engine has 2-stroke-oil inside itself
(because of the mounting).
2.3 First Inspection
After the first 10 – 15 hours of running or 10 – 15 hours after big inspection the following
inspection works should be done
- Tighten up engine fixing screws for reasons of safety.
Stand: 02.02.05 DOC_F33_B_E_0.01
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