5.6 Installing piston and cylinder
1. Lubricate rod head bushing.
2. Warm up piston to about 90ºFon a cooker.
3. Put the warm piston over the rod head in such a way, that the imprinted arrow in the
piston is pointing forward.
4. Quickly push the cold piston pin through piston and connecting rod.
5. Reinstall circlips. Carefully verify the circlip´s correct seating. Lapsing circlips will
destroy piston and cylinder !!
6. Apply bottom cylinder gasket.
7. Underlay crank case flange with a piece of wood so that the piston can rest.
8. Lubricate bore (not the piston !!)
Image 65. Piston (arrow must point Image 66. Installing the piston
forward during installation!!)
9. Slide cylinder onto stud bolts.
10. Press upper piston ring together firmly using your fingers, so that the ring ends are
adjacent to the locking pin. Now slide cylinder over the piston and over the first
piston ring.
11. Press lower piston ring together firmly using your fingers , so that the ring ends are
adjacent to the locking pin.
12. Now slide the cylinder over the piston entirely. Remove underlying wood (Caution,
do not damage gasket !!) Slide neck of cylinder into crankcase.
13. Cleanse sealing surface for cylinder head.
14. Attach cylinder head.
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