
SERVICE MANUAL | 25 Frame Plunger Pumps
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Servicing the Seals
1.41 Flip inlet manifold over so that valve spacer
bores are facing up.
1.44 Install the second V-packing with the groove
side also facing up.
1.42 The female adapter has a flat side and a
grooved side. Install with the groove side
facing up.
1.45 Install backup rings, then O-rings onto the
V-packing spacers.
NOTICE:
Backup rings go on the inside of the
grooves, and O-rings on the outside.
1.46 Apply a lubricant to the V-packing spacer
O-rings.
1.43 Install the first V-packing with the groove
side facing up.
1.39 Apply a lubricant to the outside surface of the
low-pressure seals.
1.40 One side of the low-pressure seal has a
groove. Install groove side facing down and
press into place.
Loctite and 242 are registered trademarks of the Henkel Corporation.
SEAL INSTALLATION
1.47 The V-packing spacer has two distinct steps.
Press the longer side with the groove into the
inlet manifold.
NOTICE: Examine manifolds, and male and female adapters for grooves, pitting or wear. Replace as needed.