
SERVICE MANUAL | 3570 Series Plunger Pumps
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2.22 Apply a lubricant to outside surfaces of the
valve seat O-rings.
2.27 Apply a lubricant to outside surfaces of the
O-rings and backup rings.
2.30 Using a 41 mm hex socket with ratchet,
tighten valve plugs. Torque to 1305 in-lbs,
109 ft-lbs, or 148 Nm.
Loctite and 242 are registered trademarks of the Henkel Corporation.
2.23 Insert valve assemblies into manifold and
press into place.
2.28 Place a drop of Loctite® 242®on the threads of
valve plugs.
2.24 Install the spring washers on top of the valve
assemblies.
2.26 Replace valve plug O-rings into the top of the
valve plug groove, then backup rings at the
bottom.
2.25 Install the coil springs on top of the spring
washers.
2.29 Install valve plugs into manifold and thread by
hand.
VALVE INSTALLATION