TM 9-2320-366-34-1 2-1035 EIGHT BANK CONTROL VALVE ASSEMBLY INPUT FLOW TEST (11)  Position PTO switch to off (TM         9-2320-366-10-1). (12)  Shut down engine (TM 9-23-20-366-10-1). (13)  Disconnect hydraulic tester, hoses and         adapters from fitting and port P. (14)  Connect fitting to port P. (15)  Remove drain pan. (16)  Install wrecker control panel splash guard         (TM 9-2320-366-20-4). Drop hydraulic pressure to zero before disconnecting any hydraulic hose, tube, or fitting. Failure to comply may result in injury to personnel. WARNING Wear approved eye protection when performing pressure checks. Failure to comply may result in oil getting into eyes. If oil contacts eyes, seek medical attention immediately. Fuel and oil are slippery and can cause falls. Wipe up spilled fuel or oil with rags. Failure to comply may result in injury to personnel. NOTE Tag hydraulic hoses, tubes, and fittings prior to removall.   (1)  Place drain pan under vehicle.   (2)  Disconnect fitting from port P of eight bank         valve assembly.   (3)  Connect hydraulic tester between fitting and         port P with hoses and adapters.   (4)  Start engine (TM 9-2320-366-10-1).   (5)  Position PTO switch to ON (TM 9-2320-         366-10-1).   (6)  Increase engine RPM to 1250-1450 RPM (TM         9-2320-366-10-1).   (7)  Push in and hold MANUAL OVERRIDE         (TM 9-2320-366-10-1).   (8)  Position TELESCOPE IN to IN (TM         9-2320-366-10-1) and note reading.   (9)  If flow reading is not 14-15 gpm (53-57 lpm)         and 3000-3100 psi (20685-21375 kPa),         repair or replace eight bank valve         assembly (16-59). (10)  If flow reading is 14-15 gpm (53-57 lpm) and         3000-3100 psi (20685-21375 kPa), replace         manual override valve (para 16-61).