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FLYGT SX 5-15 Series Disassembly And Assembly Instructions
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FLYGT SX 5-15 Series Disassembly And Assembly Instructions

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Disassembly and Assembly Instructions
SX 5-15 SERIES
1
Doc.
:ST-SX-SM
First edition date
:03/99
Revision
date
:

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Summary of Contents for FLYGT SX 5-15 Series

  • Page 1 Doc. :ST-SX-SM First edition date :03/99 Revision date Disassembly and Assembly Instructions SX 5-15 SERIES...
  • Page 2 Doc. :ST-SX-SM Contents First edition date :03/99 Revision date SX Pump disassembly P. 3 SX Pump assembly P. 12 Head components-Exploded view P. 31 SX Spares-Exploded view P. 32 Electrical Connection P. 33 Electrical Connection with external panel P. 34 NOTES: - The pump should be serviced by qualified personnel only and after having been disconnected from the power mains.
  • Page 3 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Place the pump on a clean and well-lit workbench. • Loosen the filter fastening screws, located underneath the pump, and remove the suction filter (12).
  • Page 4 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Remove the suction flange (5). • Loosen the impeller fastening hex screw and remove the impeller (2). (save the lock tab).
  • Page 5 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Unscrew the three socket head screws from the head. • Remove the head as shown in the picture, using a plastic hammer and chisel. Be careful not to damage the head.
  • Page 6 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Remove the outer shell (33). • Remove the upper cover (7) using a plastic hammer and chisel. Be careful not to damage the cover.
  • Page 7 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Loosen and remove the screws in the terminal board and disconnect all the wires. Remove the capacitor (18) found only on the SX 05-07 single-phase versions. (on the SX 11 version, the capacitor is installed inside the external panel).
  • Page 8 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Place the pump in a pan to collect the oil and remove the gasket (32). • Remove the diffuser (15).
  • Page 9 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Separate the motor casing (3) from the pump body (1). Watch out for oil spills. Extract the fixed part of the seal (9) from the pump body. • Extract the oil conveyor (10).
  • Page 10 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Use a screwdriver to prize out the rotating part of the mechanical seal (9). Remove the washer underneath. • Tap the shaft gently (4) on the head side, through the hole in the bearing seat.
  • Page 11 Doc. :ST-SX-SM Disassembly First edition date :03/99 Revision date • Slide out the rotor shaft and lower support. Separate the shaft from the support and remove the bearing ring (20) and the seal ring (21). • Remove the compensation ring (11) located in the bearing seat.
  • Page 12 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • View of motor casing with wound stator. (3) • Insert the compensation ring (11) in the bearing seat, inside the motor casing with wound stator (3).
  • Page 13 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Insert the rotor shaft with pre- assembled bearings (4). • Insert the lower bearing ring (20) with the lipped side upwards.
  • Page 14 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Insert the seal ring (21) over the bearing’s lower support (6). During assembly make sure that the open side, where the spring is visible, is turned towards the inside of the bearing’s lower support.
  • Page 15 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Insert the bearing’s lower support in the motor casing with wound stator. • Using a rubber hammer, gently tap the bearing’s lower support on alternate sides to slide it into place.
  • Page 16 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Put the mechanical seal’s washer (9) on the pump shaft. • Using the seal guide, install the rotating part of the seal with the polished side up.
  • Page 17 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • With the plastic tap, position the rotating part of the seal in its seat as shown in the picture. • After installing the seal, position the oil conveyor (10) over the seal (9).
  • Page 18 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Position the gasket (19) over the bearing’s lower support. • Install the fixed part of the seal (9) in the pump body (1), with the polished side up. Be careful not to damage it.
  • Page 19 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • With a plastic tap, slide the fixed part of the seal into position. • Carefully position the pump body (1) on the motor casing with wound stator (3), and install the diffuser (15).
  • Page 20 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Screw down the diffuser screws (15) in cross sequence. (driving torque 5 Nm). • Install the gasket (32) between the pump body (1) and the diffuser (15).
  • Page 21 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Place the pump upside down and add “ESSO MARCOL 82” oil slowly through the hole in the pump body, allowing the air to escape. (quantity 0.107Kg). • Fasten the screw with gasket (23). (driving torque 5-6 Nm).
  • Page 22 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Insert the impeller lock tab in its seat in the pump shaft. • Position the sandscreen V-ring (24) on the impeller (2); make sure that the squared side rests against the impeller.
  • Page 23 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Install the impeller (2) on the pump body; make sure the tab is still in its seat. • Using a socket head wrench, tighten the impeller screw with its washer. (driving torque 5.5-6Nm).
  • Page 24 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Position the suction flange (5). • Install the suction filter (12).
  • Page 25 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Tighten the suction filter fastening screws (12), in cross sequence. (driving torque 5-6 Nm) • Install the electrical connection box (16), threading the wires through the holes.
  • Page 26 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Install the gasket (19) in its seat on the motor casing with wound stator (3). • Install the gasket (32) on the shell (33).
  • Page 27 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Install the shell (33). • Take the pre-assembled head (7+8+14+17+22) and connect the wires. (for the wiring procedure, see pages 32-33). The capacitor (18) on the SX 05-07 single-phase versions is installed inside the head.
  • Page 28 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Install the upper cover (7). • Use a plastc hammer to tap the upper cover (7) into place.
  • Page 29 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • Install the gasket as shown in the picture, then position the cover with the handle (8). • Spread some grease over the gasket for a better seal. • Fit the cover with handle properly in its seat (8).
  • Page 30 Doc. :ST-SX-SM Assembly First edition date :03/99 Revision date • With an Allen wrench, tighten the cover with handle. • After checking that the screw’s gasket is in place, inserting the screwdriver through the hole in the handle tighten the screw in the head of the pump.

  • Page 31: Head Components

    Doc. :ST-SX-SM Head Components First edition date :03/99 Revision date • 7 Upper cover. • 17 Electrical connection cover. • 22 Cable guide and cable fastener • 8 Cover with handle. • 13 Supply cable. • Resin bonding is a procedure that requires experience and special materials.
  • Page 32 Doc. :ST-SX-SM SX Spares First edition date :03/99 Revision date Exploded View 1 Pump body 2 Impeller 3 Motor casing + wound stator 4 Shaft + rotor and bearings 5 Suction flange 6 Bearing’s lower support 7 Upper cover 8 Cover with handle 9 Mechanical seal and washer 10 Oil conveyor 11 Bearings and compensation ring...

  • Page 33: Electrical Connections

    Doc. :ST-SX-SM Electrical First edition date :03/99 Connections Revision date 50 AND 60 Hz THREE-PHASE CONNECTION DIAGRAM SUPPLY CABLE MOTOR START YELLOW-GREEN CABLE GUIDE CONNECTOR YELLOW-GREEN 50 AND 60 Hz SINGLE-PHASE CONNECTION DIAGRAM (WITHOUT FLOAT) CAPACITOR SUPPLY CABLE MOTOR PLUG BROWN WHITE BROWN...
  • Page 34 Doc. :ST-SX-SM Electrical Connections First edition date :03/99 Revision date with Panel 50 AND 60 Hz SINGLE-PHASE CONNECTION DIAGRAM (WITH FLOAT) CAPACITOR SUPPLY CABLE MOTOR LINE BROWN WHITE BROWN BROWN BLACK BLACK CABLE GUIDE YELLOW-GREEN YELLOW-GREEN PLUG YELLOW-GREEN BROWN SWITCH YELLOW-GREEN CONNECTOR CABLE GUIDE...