Magnum Venus Plastech PATRIOT SSB Auto - Manual (Page 25)

Patriot SSB Auto Instructions Issue 05 30/06//08 Page 25 of 43
The reassembly of the piston assembly using the piston retaining screw must only be
done when the Piston shaft is mounted back through the top block.
The screw should be set at the right position to set the desired 0.5 to 1.0 mm (0.020” to
0,040” ) lost motion gap and locked in position with locking nut 6256 however we
recommend medium thread locking solution is used to secure its correct position as an
additional security measure. (I.e. Loctite
® 243)
Do not attempt to remove the top piston rod clevis (4278) from the shaft as this is
permanently thread locked together.
The remaining parts are reassembled in the reverse order
9.2 Catalyst pump Piston shaft seal
The top seal (0535) can be removed and replaced by following the above description to
remove the pump and disassemble. The piston assembly must be removed so that the
piston rod can be withdrawn and top seal housing (4236) and spacer (4237) can be
pushed forward from the top of the top block to remove and gain access to piston rod seal
(0535).
9.3 Catalyst Over pressure Valve (O/P valve)