The Alfa Laval Rotary Lobe Displacement Pump GHPD-822 is designed for efficient fluid transfer in various industrial applications. Known for its reliability and robust performance, this pump ensures optimal operation with minimal maintenance, making it an ideal choice for demanding environments.

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Manual for Alfa Laval Rotary Lobe Displacement Pump GHPD-822

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Alfa Laval Rotary Lobe Displacement Pump GHPD-822

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Maintenance Plans for Alfa Laval Rotary Lobe Displacement Pump Model GHPD-822

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2 Yearly Grease Replacement

1. Pump supplied grease filled.

2. Change - every two years (dusty air conditions)

* Change - every six years (clean air conditions)

3. Fill with grease by pumping grease into the rear of the gearcase.;

Run this procedure

O-Ring Seal Replacement

– The large 'O' ring sits within the rotorcase bore and runs on the shaft sleeve. Rotation for the shaft sleeve is provided by a spring which locates in a slot on the shaft. An 'O' ring seals the shaft sleeve to the shaft.

REMOVING THE 'O' RING SEAL

1. Remove the rotorcase.

2. Slide the shaft sleeve from the shaft and inspect the 'O' rings.

FITTING THE 'O' RING SEAL

1. Lightly lubricate the 'O' rings with greas (food quality if necessary), locate in the shat sleeve and rotorcase bore.

2. Slide the shaft sleeve onto the shaft an locate the pin into the slot on the shaft.;

Run this procedure

Hyclean Seal Replacement

– The seal rotary face is driven by a pin which locates in a slot on the shaft. A washer is located between the shaft shoulder and rotary face. A seal between the rotary face and shaft is provided by an 'O' ring.

– The stationary face is prevented from rotating as it has a flat side which sits in the rotorcase bore. Face to face contact is provided by a wave spring. Axial movement of the stationary face is prevented by a retaining clip. An 'O' ring within the rotorcase bore provides a seal onto the stationary face.

CAUTION! SEAL FACES ARE BRITTLE - TAKE EXTREME CARE WHEN HANDLING.

REMOVING THE HYCLEAN SEAL

1. Carefully support and remove the rotorcase with the stationary sealing face still within its bore.

2. Slide the remaining rotary face from the shaft.

3. Release the retaining clip and remove the stationary face for inspection.

FITTING THE HYCLEAN SEAL

1. Use solvent to wipe the lapped surface of the seal faces until PERFECTLY clean, being extremely careful not to scratch the faces.

Run this procedure

Initial 150 Hours Lubrication Oil Replacement

1. The pump will NOT be supplied oil filled.

2. First change - After 150 hours of operation.

3. Only use the oil/grease types recommended by your supplier.