Hirth F 33 A/B - Table 3.3-1

GH F33 BDA
1. Air filter – checking of condition and bolting
2. Starter – checking of condition and bolting
3. Ignition component – checking of condition, mounting and junction/ connection
4. Crank case and cylinders – checking of leakage, condition and bolting
5. Spark plug connector – checking of condition and fit.
3.2.2 Inspection intervals
Basic unit assembly group Inspection intervals
Engine complete
Check for leaks (optical) Before every operation
check for damages (optical) Before every operation
Carburettor
Clean air filter Every 50h
Check carburettor setting Every 50h
Clean carburettor All 100h
Fuel system
Clean fuel filter Every 50 h
Check fuel line and connections Every 25 h
Check impulse line to diaphragm pump Every 25 h
Ignition
Check ignition timing Every 100 h
Check electrode space of spark plugs Every 50 h
Exhaust system
Check fixed positioning and damages Every 25 h
Check exhaust slot for trace of coke Every 100 h
3.3 change of component
Parts mentioned on table 3.3-1 should be replaced after indicated running hours. If wears
appear earlier on this parts or other parts of the components, replace them accordingly. Please
consult Göbler Hirthmotoren KG or any authorized dealer.
Table 3.3-1
Shortening SI means single ignition and shortening DI means dual ignition.
Description Order no. Running hours
Spark plug SI 023.22 100
Spark plug DI 023.26 100
Spark plug connector 024.22 200
Short-firing cable 026.4/380 200
Set of piston 014.81 1000
Crankshaft F 331 A 1000
Cylinder head SI F 332 E2 1000
Cylinder head DI F 332 C3 1000
Cylinder SI / Cylinder DI F 332 D1U / F332 B1U 1000
Carburettor PHBE 34 BD/BS 1000
Air filter 066.19 100
Stand: 02.02.05 DOC_F33_B_E_0.01