TM 10-3930-659-20 17-2. FORK/BRAKE HYDRAULIC PUMP FLOW TEST (Con't). 5. Connect hydraulic tester Inlet hose (7) to adapter (10). 6. Check that hydraulic tester (6) loading valve is in OPEN position. 7. Remove hydraulic reservoir filler cap (11) and insert hydraulic tester outlet hose (5) in hydraulic reservoir (12). 8. Start engine and run at fast engine idle speed (see TM 10-3930-659-10). 9. Close hydraulic tester (6) loading valve until hydraulic tester gage reads 2000 psi (13790 kPa).  Hydraulic tester should indicate a pump flow of 17.6 gpm (66.6 Ipm) minimum. TA707614 17-8