Spar parts for PVP 252 Motor             Page 4               Page in PDF

1 2 3 5 6
7 8 9 10 11
370 Compression spring 4.6x32 8
374 Compression spring 13.2x0.8x52.5  
375 Compression spring 13.3x0.9x48.5  
379 Rubber bellow new type  
382 Bushing between 379 and 380  

O-ring under this 759 (32.99x2.62)

O-ring outside 742 (18.77x1.78) 
380 Valve rod housing 2
381 Bushing  6/12x42 2
     
384 Valve piston  
 
   
 385 Spring for 379  
 389 Piston pin  15x45  
 
390 Needle bearing 15/19x19.6 2
392 Piston ring  54x1, for 394, 395, and 396
3962 Piston ring  54x0.8, for piston 3965 and 3975
 
394 Piston Vertex  53,94, piston pin is 26 mm. from top
 
395 Piston Vertex  53,95, piston pin is 26 mm. from top
 
396 Piston Vertex  53,96, piston pin is 26 mm. from top
 
3960 Piston Di Carmine  53,96 piston pin is 24 mm. from top
 
3975 Piston Vertex  53,975, piston pin is 24 mm. from top

The diameter of the cylinder is 54.01 to 54.02

The piston is including piston pin, piston ring and C-clip

Piston 3960 Replaces Piston 3965