TM 5-3740-218-1 3&PTable 2-5. LV System Flow Rate -WaterPrimary Hyd PressureBoom PressureD4-45 Nozzle Flow300 psi20 psi8.5 gpm450 psi30 psi10.5 gpm500 psi40 psi12.2 gpm675 psi50 psi13.6 gpm(3) On hand control, make sure SYSTEM switch is set to OFF and POWER switch is ON. Make sure gate valveis open.(4) Place bucket under nozzle.(5) Set key on engine to ON.(6) Start engine with ENGINE START switch.CAUTIONNote time before performing step (7) since application rate can only be determined ifdispersal time is known. During ground test, 30-minute operating time should not beexceeded; overheating and damage to equipment will occur.(7) Note time and set SYSTEM switch to ON. Check for hydraulic leaks, that EMPTY indicator is not lit, and that pressure gage on secondary hydraulic manifold assembly indicates 300 psi.(8) Press DISPERSAL pushbutton. After pre-determined time is up, release DISPERSAL pushbutton and set SYSTEM switch to OFF.(9) Measure amount of pesticide collected in bucket and calculate application rate (para 2-10, f). If application rate is incorrect, proceed with step (10). If application rate is correct, proceed with step (12).(10)Loosen jam nut, adjust manifold pressure adjustment knob, then tighten jam nut.(11)Repeat steps (7) through (10) until application rate is correct.CAUTIONShut down hydraulic system immediately when EMPTY indicator lights, or damage topump could occur.2-30
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