The new O-ring can now be slid into place over the piston.
3.
4. Make sure the white supporting ring sits behind the O-ring as shown below.
5. The P50 can now be reassembled. The first step is to put the piston back into the
P50. The piston must be fitted back into the horseshoe. It is important that the piston
should sit securely in the horseshoe as shown below. If this is not the case, serious
damage may be caused to the P50.
Piston
Horseshoe
47