a – For installation of cylinder on the piston 67.5 mm; b – For installation of cylinder on the piston 72 mm; c – To hold the fan; d – For aligning of cylinders at the intake flange; e – For crankshaft bearing PTO side; f – For positioning of crankshaft bearing PTO side; g – For centering of the stator plate; h – For piston pin 18 mm; i – For installation of piston pin circlip 18 mm; j – For the engine; k – Without ignition and externals