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1. Introduction
2. Safety
3. ARO Aftermarket Parts Information
4. Disassembly – Overview Required Tools
5. Disassembly – Alignment Markings
6. Disassembly – Disconnect Motor / Lower
7. Disassembly – Primer Plate Disassembly
8. Disassembly – Remove the Solvent Cup
9. Disassembly – Remove Outlet Body
10. Disassembly – Remove Tie Rods
11. Disassembly – Remove Suction Tube
12. Disassembly – Disassemble Plunger and Packing Assembly
13. Disassembly – Disassemble Packing Assembly
14. Disassembly – Remove Check Stop Assembly
15. Disassembly – Disassemble Check Stop Assembly
16. Disassembly – Remove and Disassemble Upper Check
17. Disassembly – Disassemble Pressure Chamber Body
18. Disassembly – Disassemble Outlet Body
19. Kit Installation & Assembly
20. Kit Installation & Assembly Overview
21. Assembly – Lubricate Packings & Seals
22. Assembly – Check Reassembly
23. Assembly – Seat and Packing Assembly
24. Assembly – Seat Assembly
25. Assembly – Pressure Chamber Body
26. Assembly – Check Stop Into Pressure Chamber Body
27. Assembly – Valve and Primer Rod Assembly
28. Assembly – Valve Rod Assembly
29. Assembly – Plunger Rod Assembly
30. Assembly – Suction Tube Assembly
31. Assembly – Check Stop Assembly
32. Assembly – Primer Rod Assembly
33. Assembly – Tie Rod Installation
34. Assembly – Outlet Body Assembly
35. Assembly – Solvent Cup Assembly
36. Assembly – Outlet Body Assembly
37. Assembly – Outlet Body Installation
38. Assembly – Tie Rod Assembly
39. Assembly – Plunger and Primer Rod Installation
40. Assembly – Primer Plate Assembly
41. Assembly – Primer Plate Assembly
42. Assembly – Solvent Cup Assembly
43. Assembly – Pump Connection Upper / Lower
Step 25 of 43

Assembly – Pressure Chamber Body

In the (Item 15) pressure chamber body install:

  • New (Item 23) O-ring from the repair kit
  • (Item 22) Seat (with the beveled seated side faced up)
  • (Item 21) Check (beveled edge first, snap ring facing up)
  • New (Item 23) O-ring from the repair kit
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