1 Introduction Display Conventions List items are preceded by dashes: Foreword – Part 1, – Part 2. This operation manual describes all sizes, models and versions of the FPM and FSM series. Handling instructions that must be performed in a specified or- der are numbered: Information on the model, size, and version of your pump can be found on the rating plate on your pump and in the "Order-Re-...
/ / FPM AND FSM SERIES / / / 2 Safety Labels Do not alter or remove the labels on the pump. Basic safety instruction Immediately replace damaged or lost labels with ones that are true to the originals. ...
Disposal 2.4.3 Direction of rotation 2.6.1 Disposal of Transportation Package Fig. 5 Label: "Impeller Direction of Rotation" Recycle the transportation package. This label shows the direction of rotation of the impeller. It is lo- cated at the front on the pump cover. 2.6.2 Disposal of pump 1.
/ / FPM AND FSM SERIES / / / 3.1.1 Pump head (A) and lantern (B) 3.1.2 Electric motor (C) Fig. 9 Electric motor Electric power connection Electric motor Flange shaft Fig. 8 Pump head and lantern Lantern (17) The lantern connects the pump casing with the motor. Discharge line connection Magnetic coupling –...
Type designation 4 Transportation FPM 722 A Transportation may only be performed by trained personnel. The pump can be moved using an industrial truck or a crane. Fig. 11 Example of type designation Safety instructions Pump type – Danger of injury from falling or unsecured parts. Pump size ...
/ / FPM AND FSM SERIES / / / Moving With Crane 5 Storage WARNING Safety Falling parts – Corrosion: Condensation can build up under a tarp and de- Death from crushing, pinching of extremities, material damage. stroy the pump. ...
/ / FPM AND FSM SERIES / / / 7 Operation Safety instructions – Danger of bursting: If the allowable pressure or temperature range is exceeded, the pump may burst or become leaky. Maintain the pump pressure and temperature within the specified ranges.
During operation do not close the valve in the discharge NOTE line abruptly or for a long period of time. Separation of the magnetic field – Damage to pump: Exceeding the rated power can lead to damage to the pump and the magnetic coupling. Extraordinary loads during the start-up of the pump, caused by blocking of the impeller or excessive overload of the pump can ...
/ / FPM AND FSM SERIES / / / 9 Maintenance Example of a Cleaning Cycle 1. Perform preliminary flush with water. For information on maintenance intervals, please see 2. Perform caustic flush with soda lye (NaOH, see Table 3 "CIP Chapter 10.2 "Maintenance intervals", Page 18.
Changing the motor Thread Tightening torques 1. Turn off the motor and prevent it from being able to be turned on accidentally. 2. Remove the pump head. See Chapter 9.6 "Pump Head Remov- al", Page 13. 3. Take the lantern off of the motor. Table 5 Tightening torques of screws/motor shaft 4.
/ / FPM AND FSM SERIES / / / 30 31 32 33 Fig. 18 Removing the impeller Fig. 20 Disassembling the pump casing 3. Loosen the impeller nut (28) and remove it including the O- ring (29) : 6. Loosen and remove the screws and washers (36). 3a.
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9.7.2 Measure the clearance impeller pump cover / pump type FSM Procedure 1. Measure the clearance Z between the pump casing (41) and the impeller (40) using vernier calipers. Note: In order to measure distance Z, the impeller must be pulled to the front in the direction of the pump casing.
/ / FPM AND FSM SERIES / / / Mounting the pump head The mounting of the pump depends on the respective size and model as well as on the respective magnetic coupling (see “Or- der-related documents”) in the enclosed documents. NOTE Incorrect elastomers Pump leakiness.
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9.8.1 Mount the impeller 9.8.2 Sealing the pump Fig. 28 Pump cover 44 45 46 47 Push the pump cover (51) onto the O-ring (52) . Tighten the nut (50) with the washer . Fig. 26 Installing the impeller 1.
10.3 Troubleshooting table Problem Possible cause Remedy Pump either does not pump or pumps Suction line blocked or clogged. Open or clean suction line. irregularly. Suction filter contaminated. Clean suction filter. Discharge-side shut-off valve closed. Open discharge line. Viscosity of fluid too high Contact Fristam .
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/ / FPM AND FSM SERIES / / / Problem Possible cause Remedy Flow noise Operation contrary to design in overload or part- Adjust working point to design. load range. Flow loss in suction line too high. Increase nominal sizes; shorten connection lines; prevent outgassing.
10.4 Number Key The general list of numbers refers to the enclosed “Sectional drawings”. The parts numbers comply with DIN 24250. Part no. Designation Part no. Designation Part no. Designation Pump casing Spring washer 90-5 Eye bolt Cover Washer Screw Outlet side Grooved pin Hex cap screw...
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