
SERVICE MANUAL | 3570 Series Plunger Pumps
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1.56 Set the low-pressure seal adapters on a flat
surface with the grooved sides of the low-
pressure seals facing upwards.
1.55 One side of the low-pressure seals has a
groove and spring. Install grooved side facing
upwards and press them into the low-
pressure seal adapters by hand.
1.58 Replace the O-rings on the low-pressure seal
adapters.
1.57 Using a socket with the same diameter as the
low-pressure seals, tap the low-pressure seals
all the way into the adapters.
1.59 Apply a lubricant to the outside surfaces of
the low-pressure seal adapter O-rings.
1.60 Press the low-pressure seal adapters into the
inlet manifold with the grooved sides of the
low-pressure seals facing down.
1.61 Flip the manifold over so the V-packing spacer
bores are facing upwards.
1.53 Install the low-pressure seal washers into the
inlet manifold.
1.54 Apply a lubricant to the outside surfaces of
the low-pressure seals.
Servicing the Seals
MANIFOLD AND SEAL INSTALLATION
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