| Pfeiffer Duo 1.5A Repair | |
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| A pfeiffer duo 1.5A oil sealed pump was dismantled and serviced with a minor service kit. This follows the procedures in:
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Pfeiffer Duo 1.5A (3/6/2014) As purchased the sight glass and shaft seal leaked oil. |
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Pfeiffer Duo 1.5A (3/6/2014) Approximate placement locations of the turbo pump and controller that will be added |
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Pfeiffer Duo 1.5A (3/6/2014) How the original unit was designed |
Pfeiffer Duo 1.5A (3/6/2014) Rebuild Process |
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Pfeiffer Duo 1.5A (3/6/2014) Minor rebuild kit is $45 |
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Pfeiffer Duo 1.5A (3/6/2014) Vane springs |
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Pfeiffer Duo 1.5A (3/6/2014) Oil level glass |
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Pfeiffer Duo 1.5A (3/6/2014) O-ring and radial shaft seal |
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Pfeiffer Duo 1.5A (3/6/2014) hold down screws removed |
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Pfeiffer Duo 1.5A (3/6/2014) clamps and o-rings removed from ports |
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Pfeiffer Duo 1.5A (3/6/2014) pump removed from frame |
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Pfeiffer Duo 1.5A (3/6/2014) vibration isolator springs |
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Pfeiffer Duo 1.5A (3/6/2014) inlet and exhaust ports |
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Pfeiffer Duo 1.5A (3/6/2014) output of generator |
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Pfeiffer Duo 1.5A (3/6/2014) rectified output to solenoid valve |
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Pfeiffer Duo 1.5A (3/6/2014) anti-suck back valve on inlet port |
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Pfeiffer Duo 1.5A (3/6/2014) valve removed |
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Pfeiffer Duo 1.5A (3/6/2014) valve intake |
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Pfeiffer Duo 1.5A (3/6/2014) oil drained |
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Pfeiffer Duo 1.5A (3/6/2014) o-rings on oil fill and drain plugs replaced |
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Pfeiffer Duo 1.5A (3/6/2014) sight glass removed |
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Pfeiffer Duo 1.5A (3/6/2014) sight glass removed |
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Pfeiffer Duo 1.5A (3/6/2014) new and old sight glass |
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Pfeiffer Duo 1.5A (3/6/2014) sight glass replaced |
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Pfeiffer Duo 1.5A (3/6/2014) inlet and exhaust o-rings replaced |
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Pfeiffer Duo 1.5A (3/6/2014) solenoid valve to actuate anti-suck back valve |
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Pfeiffer Duo 1.5A (3/6/2014) solenoid coil |
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Pfeiffer Duo 1.5A (3/6/2014) wiring feed through |
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Pfeiffer Duo 1.5A (3/6/2014) solenoid intake |
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Pfeiffer Duo 1.5A (3/6/2014) solenoid wires removed, removing intake adapter |
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Pfeiffer Duo 1.5A (3/6/2014) valve core retainer nut |
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Pfeiffer Duo 1.5A (3/6/2014) valve core removed |
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Pfeiffer Duo 1.5A (3/6/2014) valve coil |
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Pfeiffer Duo 1.5A (3/6/2014) unscrew with hand |
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Pfeiffer Duo 1.5A (3/6/2014) valve removed, do not attempt to remove hex fitting on bulkhead, it is glued in place |
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Pfeiffer Duo 1.5A (3/6/2014) valve parts |
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Pfeiffer Duo 1.5A (3/6/2014) valve cleaned and o-rings replaced |
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Pfeiffer Duo 1.5A (3/6/2014) pump stages |
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Pfeiffer Duo 1.5A (3/6/2014) shaft coupler |
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Pfeiffer Duo 1.5A (3/6/2014) stage 2 drive |
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Pfeiffer Duo 1.5A (3/6/2014) with shaft coupler |
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Pfeiffer Duo 1.5A (3/6/2014) oil system air admit system |
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Pfeiffer Duo 1.5A (3/6/2014) removed |
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Pfeiffer Duo 1.5A (3/6/2014) should have clear hole down center |
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Pfeiffer Duo 1.5A (3/6/2014) o-ring replaced |
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Pfeiffer Duo 1.5A (3/6/2014) stages separated |
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Pfeiffer Duo 1.5A (3/6/2014) first stage |
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Pfeiffer Duo 1.5A (3/6/2014) vanes |
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Pfeiffer Duo 1.5A (3/6/2014) casing |
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Pfeiffer Duo 1.5A (3/6/2014) new and old springs |
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Pfeiffer Duo 1.5A (3/6/2014) rotor removed |
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Pfeiffer Duo 1.5A (3/6/2014) second stage exhaust |
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Pfeiffer Duo 1.5A (3/6/2014) exhaust valve |
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Pfeiffer Duo 1.5A (3/6/2014) exhaust valve plunger |
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Pfeiffer Duo 1.5A (3/6/2014) exhaust valve plunger |
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Pfeiffer Duo 1.5A (3/6/2014) second / first stage coupler |
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Pfeiffer Duo 1.5A (3/6/2014) second stage interior |
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Pfeiffer Duo 1.5A (3/6/2014) vanes removed |
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Pfeiffer Duo 1.5A (3/6/2014) removing motor |
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Pfeiffer Duo 1.5A (3/6/2014) stand on pump face and pull motor straight up |
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Pfeiffer Duo 1.5A (3/6/2014) generator and radial shaft seal |
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Pfeiffer Duo 1.5A (3/6/2014) generator magnet and coupler |
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Pfeiffer Duo 1.5A (3/6/2014) generator and radial seal |
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Pfeiffer Duo 1.5A (3/6/2014) generator and radial seal seal is recessed about 1/32" past the interior aluminum face |
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Pfeiffer Duo 1.5A (3/6/2014) use a c cell and a hammer to remove the radial seal |
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Pfeiffer Duo 1.5A (3/6/2014) seal removed |
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Pfeiffer Duo 1.5A (3/6/2014) radial seal insertion system machine a plastic rod to 1.095" OD and drill a 1/4 clearance hole in the center |
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Pfeiffer Duo 1.5A (3/6/2014) bolt goes through aluminum plate |
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Pfeiffer Duo 1.5A (3/6/2014) rod pushes new radial seal into pump |
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Pfeiffer Duo 1.5A (3/6/2014) radial seal installed |
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Pfeiffer Duo 1.5A (3/6/2014) motor reinstalled |
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Pfeiffer Duo 1.5A (3/6/2014) base plate removed |
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Pfeiffer Duo 1.5A (3/6/2014) generator wiring |
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Pfeiffer Duo 1.5A (3/6/2014) generator wiring |
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Pfeiffer Duo 1.5A (3/6/2014) pump stages reinstalled |
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Pfeiffer Duo 1.5A (3/6/2014) case gasket |
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Pfeiffer Duo 1.5A (3/6/2014) reservoir reinstalled |
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Pfeiffer Duo 1.5A (3/6/2014) pump mounted on frame |
Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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Pfeiffer Duo 1.5A (3/6/2014)
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