Product Description
Major Rebuild Kit for Leybold D40BCS
This major repair kit is designed to fully rebuild Leybold D40BCS vacuum pumps. Replacing vanes, seals, gaskets, valves, and internal components restores vacuum performance, reduces oil contamination, and extends pump life.
Kit Includes
Drive & Mechanical Components
- 20009095 – Coupling Element (Qty 1)
- 20009137 – Deflector Plate (Qty 1)
- 23192034 – Shaft Sleeve (Qty 1)
Vanes
Gaskets
- 20009148 – Case Gasket (Qty 1)
- 20010746 – Valve Cover Gasket (Qty 1)
- 23973036 – Coupling Housing Gasket (Qty 1)
- 23973039 – Module Gasket (Qty 1)
- 23973042 – Cover Gasket (Qty 1)
- 23973044 – Flat Gasket (Qty 1)
- 20039131 – Sight Glass Gasket (Qty 1)
- 23955165 – Viton Plug Gasket (Qty 3)
O-Rings & Seals
- 23950121 – O-Ring (Qty 1)
- 23970008 – O-Ring (Qty 1)
- 23970016 – O-Ring (Qty 1)
- 23970108 – O-Ring (Qty 1)
- 23970147 – O-Ring (Qty 1)
- 23970223 – O-Ring (Qty 4)
- 23970305 – O-Ring (Qty 1)
- 23970516 – O-Ring (Qty 2)
- 70120381 – O-Ring (Qty 1)
- 20039118 – Viton Shaft Seal (Qty 2)
- 23953007 – Viton Shaft Seal (Qty 2)
- 23973146 – Oil Flow Seal (Qty 1)
- 34861029 – Piston Seal (Qty 1)
Valves & Flow Components
- 20011245 – Exhaust Valve (Qty 4)
- 34861028 – Non-Return Valve (Qty 1)
- 40050140 – Valve Disc (Qty 1)
- 40175023 – Pressure Relief Valve (Qty 1)
Springs
- 22161031 – Split Spring (Qty 1)
- 22161040 – Oil Flow Spring (Qty 1)
- 22161041 – Spring (Qty 1)
Filters & Internal Components
- 20039108 – Felt Disc (Qty 1)
- 39026014 – Internal Demister (Qty 1)
Sight Glass & Oil System
Recommended Add-Ons
- Vacuum Pump Oil: VPS M100 (ISO 100) or VPL M100 Oil (5L).
- Alternative Oil: VPL M68 Oil.
- Flushing Fluid: FF-005 Vacuum Pump Flushing Fluid.
For best results, replace oil and clean the system prior to rebuild. Proper maintenance helps maintain vacuum performance, reduce wear, and extend service life on Leybold D40BCS vacuum pumps.
