Ampco Pumps Company K Series Service Manual Download Page 1

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Ampco Pumps Company K-Series Metric Maintenance Manual M-033 Rev A 11.16

K-Series: Metric Components

Service Manual

This service manual includes installation, operation, and maintenance instructions for

Ampco Pump Company’s K-Series with IEC frame motor. Failure to learn the correct
procedures for installing and servicing the pump from this manual could result in equipment
failure.

Summary of Contents for K Series

Page 1: ...Components Service Manual This service manual includes installation operation and maintenance instructions for Ampco Pump Company s K Series with IEC frame motor Failure to learn the correct procedures for installing and servicing the pump from this manual could result in equipment failure ...

Page 2: ...ge connections until the pump is installed and is ready to be connected to the piping to stop debris from getting into the pump Pump Location Use the following pump location guidelines to help ensure proper pump performance Locate the pump so that the shortest and most direct possible suction piping can be used To facilitate priming ensure a steady flow and provide positive suction head locate the...

Page 3: ... force piping when making connections This can cause the impeller to rub on the casing or premature seal failure Suction Piping It is very important that suction piping be selected and installed such that it minimizes pressure loss and allows sufficient liquid flow into the pump A proper suction piping system design can eliminate many NPSH problems The following precautions should be followed to e...

Page 4: ...le the pump operator to monitor pump performance properly sized pressure gauges may be installed in gauge taps on pump suction and discharge nozzles Pressure gauges will also indicate the presence of cavitation vapor binding or other unstable operation by showing wide fluctuations in suction and discharge pressures For these reasons Ampco highly recommends gauges Discharge Piping To ensure proper ...

Page 5: ...Series pump ensure that all of the following requirements are met o Check that all motor and starting device wirings match the wiring diagram o Make sure the shaft rotates clockwise when viewed from behind the motor o Refer to motor instructions before starting if the motor has not been operated over an extended period of time o Make sure that that voltage phase and line circuit frequency match wh...

Page 6: ...ion Shutdown 1 Slowly close the discharge piping gate valve Closing valve too quickly can cause hydraulic shock 2 Turn off power supply to the pump Short Duration Shutdown For short shutdown periods the pump can remain filled but make sure the pump is fully primed prior to restarting If the pump is subject to freezing conditions then the pump exterior should be insulated or heated and the fluid wi...

Page 7: ...e that the shaft and C face areas are clean Attach the motor adapter 1 to the motor using the supplied hardware 2 Attach the stub shaft 2 and shaft locking collar 3 to the motor and the motor adapter 1 as shown in Figure 1 Leave the shaft collar loose until Step 5 Figure 1 Motor Adapter Installation 3 Place the rear cover 5 into the adapter plate 4 and rotate clockwise to lock into place Figure 2 ...

Page 8: ...o the screws before tightening to 15 ft lbs Figure 3 Attach Rear Cover to Adapter 5 Next the impeller will be installed and the clearance set Begin by placing a 875 thick shim into the rear cover Now screw the impeller 6 onto the stub shaft 2 and tighten until fully seated Ensure the impeller is flush with the shim and finally tighten the shaft collar 3 to 15 ft lbs Figure 4 Setting Impeller Clear...

Page 9: ... the clearance Lightly oil the rear cover 5 bore and finger press the stationary ceramic component into the rear cover The ceramic face will be orientated to the front and visible once installed Make sure it is fully seated Figure 5 Stationary Seal Seat Installation 7 Insert the impeller o ring 13 into the stem of the impeller 6 Figure 6 Impeller O ring Installation ...

Page 10: ...irected towards the rear of the pump Seal may be lightly oiled to facilitate sliding into the impeller stem Use soap glycerin etc if oil is not permitted i e EPDM Figure 7 Rotating Seal to Impeller Stem 9 Re install the impeller and tighten onto the sub shaft 2 Lubricate the stub shaft and impeller o ring 13 as required for smooth installation Next install the front cover 7 10 The last step is to ...

Page 11: ... 11 16 10 Table 1 Parts List Number Description Qty per pump 1 Motor Adapter 1 2 Stub Shaft 1 3 Shaft Collar 1 4 Adapter Plate 1 5 Rear Cover 1 6 Impeller 1 7 Front Cover 1 8 Seal Stationary 1 9 Seal Rotating 1 10 Seal Spring 1 11 Seal Cup 1 12 Shaft Guard 2 13 Impeller O ring 1 ...

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Ampco Pumps Company K Series, Service Manual

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