MAXIMUM FLOW ....................6.6 GPM / 24.6 LPM
MAX UNLOADING PRESS......3650 PSI / 251.6 BAR
MAXIMUM TEMPERATURE....................195° / 91°C
WEIGHT....................................1.0 LBS. / 0.45 KG
BYPASS...................................................3/8 FNPT
INLET........................................................1/4 NPT
OUTLET.....................................................3/8 NPT
1. Install an appropriate pressure gauge in pump
head outlet. The gauge should have a pressure
range of twice the operating pressure.
2. Loosen set screw (ITEM 4) and nut (ITEM 3) and
turn knob & retainer (ITEM 1 & 2) counter
clockwise
until minimum spring tension.
3. Open trigger gun, start pump, and observe
pressure gauge reading. slowly tighten knob.
4. Close and open trigger gun to check unloading
pressure and bypass function of the unloader
valve. Unloading pressure should not exceed
operating pressure by more than 400 PSI.
5. Lock the setting by tightening nut and set screw.
NOTE: Once operating pressure is reached, turning
clockwise increases unloading pressure only.
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