Maintaining the 1525 Pump
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Figure 4-7 Assembled Plunger (1525EF Pump)
Inspecting the Plunger
After cleaning the plunger, inspect it for damage by holding it under a bright white light and
looking down its length for nicks and scratches. It is easier to see scratches under a bright
light than to feel them with your fingers.
•
If the plunger is not scratched or otherwise damaged, reassemble it with new seals.
Continue with
•
If the plunger is damaged, replace both the plunger and the seals. Continue with
.
Replacing the Plunger
1.
Reassemble the components of the plunger assembly as shown in
2.
Lubricate the ball and seat with high-pressure grease. Make sure the brass seat is
located at the bottom of the piston.
3.
Use the plunger insertion tool to push the plunger assembly into the pump piston as
far as it will go.
4.
While holding the plunger in position with the insertion tool, use the snap-ring pliers
to insert the snap ring. Make sure the snap ring is fully seated in the groove before
you release the pliers (
Caution:
To avoid possible eye injury or cuts, handle the plunger with care. Wear safety
glasses. Pieces of a broken plunger are very sharp.
Caution:
To avoid possible eye injury or cuts, handle the plunger with care. Wear safety
glasses and use the plunger insertion tool. Pieces of a broken plunger are very sharp.
Snap-Ring
Plunger
Washer
Spring
Retainer
Summary of Contents for 1525M
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