*Parts list* 6 Suction cover gasket S . M .L 9 Suction cover "O"ring S . M .L 12 Bearing head gasket S . M .L 17 Bearing cover gasket S . M .L 23 Blind cover gasket S . M .L 27 Main bearing S . M .L 27-1Main bearing "O"ring S . M .L 28 Side bearing S . M .L 28-1 Side bearing "O"ring S . M .L 30 Balance piston S . M .L 33 Balance piston sleeve S . M .L 35 B/ piston sleeve "O"ring S . M .L 38 Thrust Bearing S . M .L 48 Seal retainer S . M .L 49 Seal retainer "O"ring S . M .L 52 Seal cover gasket S . M .L 59 Injection pipe "O"ring S . M .L 63 Unload cylinder "O"ring S . M .L 64 Unload piston S . M .L 65 Unload piston "O"ring S . M .L 66 Teflon cap seal(BE75) S . M .L 73 U/push rod "O"ring S . M .L 75 U/cylinder cover "O"ring S . M .L 78 Ball bearing Comm. 89 Guide block stem "O"ring S . M .L 100 Mechanical Seal S . M .L