Partner K 650/700 Active Workshop Manual page 30

L
H
1
2
Fuel system
Unscrew the nozzle needles.
On EPA models which have fixed nozzles, the nozzles can be cleaned or changed once
the seal plugs have been removed.
Carefully drill a small hole (Ø 2 mm) in the plug and prise it away with a pointed tool.
NOTE!
Use a suitable-sized drift when the plug is installed, to give correct sealing.
Dismantle the welch plug (1) and main jet
nozzle (2).
Check the valves and valve shafts for
wear.
Replace if necessary.
Unscrew the nozzle needles.
NOTE!
Notice the two types of needles and how
they are positioned (e.g. the H-needle is
slightly shorter than the L-needle).
Drill a small hole in the welch plug (1) and
carefully remove it with a pointed tool.
Press out the main jet nozzle (2) with a
suitable mandrel.
Dismantle valves and valve shafts. If these
parts are worn the engine will pink.
Always replace the valve and valve shafts
at the same time.
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