Pumptec 212T SERIES User Manual
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Version 110112
Pumptec Operating Instructions and Parts Manual
PUMP SERIES 112T | 212T
MAINteNANce
DISASSEMblY AnD REASSEMblY
InSTRUCTIOnS (Refer to Schematic)
1. Remove pump from motor using a 3/16” hex wrench.
Remove bolts from pump. Turn pump over so manifold is facing
upward. Place manifold to side as a reference for reassembly.
Figure 1 shows pump separate from motor. Manifold facing
upward and set to side.
Figure 1
2. Holding each head, pull them apart to remove plunger.
Remove retaining plate from pump head. Remove internal seal
parts with finger. Discard parts, but keep head and retaining
plate. Figure 2 shows pump heads pulled apart showing
plunger, retaining plate and internal seal.
Figure 2
3. Clean the head with a rag or towel. Inspect for damage or
excess corrosion. If the head is damaged, do not rebuild. (note
the order and orientation of repair parts prior to installation).
Figure 3 shows repair parts in order and in correct orientation.
Figure 3
4. Place O-ring around seal and gently put into seal bore with
both thumbs.
5. Place guide into seal bore, level above the O-ring seal
assembly. Apply even downward pressure to guide to install
seal and guide into seal bore. Remove guide and verify that
O-ring and seal are properly installed without bulges or
creasing. Slide the retaining plate back into place.
Figure 4
6. Repeat the previous steps 2-5 with the other head.
Figure 5
7. lightly grease the plunger with the clear grease provided
in small grey tube. Slide plunger into one head assembly and
then slide the other head onto plunger. Place head and plunger
assembly on work surface with valves facing upward. Figure
6 shows plunger in one head assembly with other head in
position above plunger.
Figure 6
8. Adjust plunger slot position towards center and have slot
facing work surface. Replace all valves, O-rings, and ½” ID white
washers. Refer to image and manifold label to understand
proper orientation. Figure 7 shows proper orientation with