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Hirth F 33 A/B - Page 17

Hirth F 33 A/B
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GH F33 BDA
- tighten up the cylinder head screws for reasons of safety
- tighten up the spark plugs for reasons of safety
- viewing examination (leaking, unassembled nuts/ screws,…)
Attention !
It is recommended to check the following items before every engine running for reasons of
safety:
- Starter (checking of connections, fixings and condition; overhaul if necessary)
- Carburettor (checking of connections, fixings and condition; overhaul if necessary)
- Ignition system (checking connections, fixings and condition; overhaul if necessary))
- Cylinder head (checking of fixings and condition; overhaul if necessary)
- Cylinder (checking of fixings and condition; overhaul if necessary )
- Outlet manifold (checking of fixings and condition; overhaul if necessary)
- Exhaust system (checking of fixings and condition; overhaul if necessary)
- Spark plugs and spark plug connectors (checking of fixings and condition; overhaul if
necessary)
- Fuel system (checking of leaking of soiled filters; overhaul if necessary)
2.3 Start Procedure
1. Ensure fuel providing (fill tank, open fuel cock,…)
2. If engine is cold manipulate the choke. If engine is warm or hot do not manipulate the
choke. Choke lever in vertical position for a cold starting (in the case of hand lever-choke)
3. Set throttle hand lever in idling (slide in carburettor in idling)
4. Ignition system put in running (ON-position of the short circuit button)
5. Start the engine (pull out the lever of the reverse starter till resistance is noticed, than pull
through strong and constant; manipulate electric starter for maximum of 10 seconds than
break of 20)
6. If engine gets/ takes throttle, the choke could be taken back (checking by little open of
them)
7. Engine has to run warm by ¼ weight/ charge or 3000 1/min ca. 3 minutes.
8. Engine has running temperature and is ready for running.
Notice:
If engine is mounted with a centrifugal clutch, for the run up it should be considered the
following:
1. run up of engine in a speed range where centrifugal clutch is positioned in fixed gearing.
Stand: 02.02.05 DOC_F33_B_E_0.01

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