Services
Edwards 1820HTX/1220HTX Dry Pump Repair Service
Repair and full overhaul service are available for quotation.

Replaceable Parts Checklist
The list below is compiled from our fixed service records for this pump family.
| # | Part |
|---|---|
| 1 | 1820HTX Upper Pump X - axis Y - axis |
| 2 | 1820HTX Lower Pump X - axis Y - axis |
| 3 | Stators of Stage 1 & 2 (Cavity/Partition) |
| 4 | Stator of Stage 3 (Cavity/Partition) |
| 5 | Stator of Stage 4 (Cavity/Partition) |
| 6 | LV Stator (Cavity/Partition) |
| 7 | X2Y2 Rotor |
| 8 | X3Y3 Rotor |
| 9 | X4Y4 Rotor |
| 10 | LV Rotor |
| 11 | 1820HTX Water - cooled Radiator |
| 12 | 1820HTX Expansion Sleeve (including inner and outer rings, one set) |
| 13 | 1820HTX Coupling |
| 14 | Shaft Seal: 536612 |
| 15 | Lower Pump Shaft Sleeve (φ53*φ36.5) |
| 16 | Seal Ring Kit (66 pieces in one set) |
| 17 | 1820HTX Oil Mist Filter for DP Shaft |
| 18 | Positioning Pin for Stator (Cavity/Partition) |
| 19 | Positioning Pin for Rotor |
Service scope & applicability
The checklist indicates parts we can assess or source; it is not a promise that every part must be replaced. Final scope, compatibility and lead time are confirmed after the pump nameplate, serial number and inspection results are reviewed.
Repair and full overhaul service are available for quotation.
For an accurate quote, include the pump serial number, nameplate photo, fault symptoms and whether the unit can be shipped for inspection.
