Pumptec 113C SERIES - Manual (Page 7)

7 Version 060613
Pumptec Operating Instructions and Parts Manual PUMP SERIES 113C
MAINteNANce
DISASSEMblY AnD REASSEMblY
InSTRUCTIOnS (Refer to Schematic)
1. Remove pump from motor using a 3/16” hex wrench. Re-
move 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. When disassembling the pump note the order and
orientation of the parts. 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.
Figure 3 shows repair parts in order and in correct orientation.
Figure 3
4. Assemble Cartridge. A) Slip/slide black rubber O-ring (the top
ring) onto brown cartridge and into the groove in the middle of
cartridge until O-ring is seated all the way around cartridge.
b) Place black polybak (item below brown cartridge) into end of
cartridge until it is flush with cartridge. C) The cartridge should
now appear like the one on the right.
Figure 4
5. Place the assembled cartridge into the bore of pump head,
pressing into the bore until it will not go any further.
Figure 5
6. Taking the 2 retainer plates, slide one on each side of
cartridge, groove side up as shown in Figure 6
Figure 6
7. Slide both plates from each side of head, push tight against
the brown cartridge.
Figure 7