Replacing 1525EF Plunger Seals and Plungers
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Figure 4-5 Unscrewing Pump Head Mounting Screws (1525EF Pump)
8.
Carefully slide the pump head assembly off the pump.
4.5.2 Removing and Replacing the 1525EF Plunger Seal
1.
Use the seal extraction tool to remove the seal from the pump head. (Twist the
plastic screw end of the tool clockwise into the seal, then pull the seal to remove it
from the pump head. Do not reuse the seal.)
2.
Place the new plunger seal onto the tip of the seal insertion tool. Make sure the
spring in the seal is facing away from the end of the tool (you should be able to see
the seal spring at the tip of the tool).
3.
Moisten the seal with methanol.
4.
Place the block part of the seal insertion tool into the pump head. (The smaller end
of the tapered hole should be against the pump head.) Slide the tip of the tool (with
the seal on it) through the block and into the pump head.
5.
Press the tool firmly into the pump head, then remove it.
6.
Remoisten the seal and plunger with methanol.
7.
Carefully slide the pump head assembly into position over the plunger.
STOP
Attention:
Hold the pump head against the pump while removing the screws
to avoid breaking the plunger.
STOP
Attention:
Pull the pump head off straight to avoid breaking the plunger.
STOP
Attention:
Hold the pump head against the pump while replacing the screws
to avoid breaking the plunger.
Summary of Contents for 1525EF
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