27
72. Check the play of the gudgeon pin in the piston.
The play is correct when the gudgeon pin can be
pushed through with light hand pressure.
(Accurate running fit).
The gudgeon pins are available oversized 0.05
mm (0.0019"). If the gudgeon pin hole in the pis-
ton is worn so that an oversize gudgeon pin is
needed the hole is reamed to the correct dimen-
sion. Use a reamer with a guide ring and make
small cuts at a time.
73. Press out the small end bush with tool 999 5017.
74. Press in the new bushing with tool 999 5017.
75. The gudgeon pin is to slide through the hole with
light thumb pressure without any appreciable
looseness. (Sliding fit). The bush is machined if
necessary.
76. Check the connecting rods for straightness, tor-
sion and possible s-bends. Use a connecting rod
straightener. Nuts and screws are to be replaced
when overhauling.
To Next Page
Loading...
Need help?
General
