... , A, B, BV, P (ZU, ZW, ZM) etc. 2.Rotative distributor injection pump EP/VA, EP/VM, VE, F etc. 3 ... performance of mechanical speed governor; 4. Test the solenoid of distributor pumps; 5. Test the performance of pneumatic speed governor; 6 ... the performance of pressure compensators; 7. Test inner pressure of distributor pump; 8. Test negative pressure performance of pneumatic film speed ...