Hi Bavarian; Nope. There was certainly nothing like that on mine when it arrived here - and it looked like it had never been touched. The outlet of one of the ports is here. I worked in Switzerland with a German team for 10 years - and there is no doubt the German engineering (Bosch) is...
Hi Bavarian: Although I never disassembled the HP section of the pump, I don't think there is such an additional NRV on the CAV DPA. Hope you can see this cutaway - red is fuel outlet to injectors, and seems to come straight from the plunger piston port ... although the internals probably serve...
A good news story! The Perkins AD3.152 on my MF40 was running after a rebuild, but sounded like only 2 out of 3 cylinders were firing. No smoke, but no power - I thought this was probably just air on the system and set about bleeding all air from the diesel lines. After 15 mins of bleeding, I...
I've had this 1977 Massey Ferguson MF40 industrial tractor with Perkins AD3.152 for around 8 years now. It was bought to help build our house down here and has done incredible work but everything on it is old! This month I rebuilt the steering box and injection pump CAV DPA unit. After...