14
The suction line 5 remains in the crankcase. It
extends into the oil tank. To remove it, carefully
pull on the connection to the oil pump.
Removing the oil pump
Pull the plastic housing off the oil pump by
carefully spreading it apart in the area of the
holes marked 6 in the illustration.
Push the adjusting screw 7 up against the
spring pressure and turn it until the pin 8 goes
into the assembly slit 8. If necessary press the
supply piston 9 in somewhat.
Note: For assembly put the adjusting screw in
stop positions 2 or 3, not in one of the outer
stops.
Oil tank ventilation
To replace, use a 4 mm mandrel to knock the
valve 10 into the tank and press the new valve
in from the outside with an 8 mm mandrel.
IMPORTANT: Use a mandrel with a flat face!
General
The oil pump is driven by the clutch drum. Lugs
on the clutch drum transfer the power to the
drive arms of the oil pump drive 1.
The drive worm of the oil pump drive engages
in the teeth of the oil pump 3.
This means that oil is pumped only when the
chain is running.
The oil flow rate can be adjusted with adjusting
screw A:
• Turn right for more oil
• Turn left for less oil
Disassembly
Remove the clutch drum and clutch, see
chapter 04.
Turn the oil pump drive 1 counter-clockwise
and pull it off the shaft.
Pull the oil pressure line 2 from the oil pump.
Unscrew screw 4 and remove the oil pump.
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