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Sk series – General Pump SK Repair Manual User Manual

Page 37

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GENERAL PUMP

A member of the Interpump Group

SK SERIES

Page 37

With the liner separated from the seal support and with a special plastic pin (1, fig. 128) push out the

HP (high pressure) packing (1, fig. 129).

At every dismantling the HP packing (1, fig. 129) must be replaced.

2.2.4 Assembling the Piston-Supports-Seals Assembly

To reassemble the various components, reverse the operations, paying particular attention to the sequence

outlined below. For the tightening torque values and for the tightening sequence, follow the specifications

given in Section 3.

Insert the upper bushing into the liner.

For correct axial positioning of the bushing, use the special device (part 3F27911200 for SK20,

part #F27911400 for SK22, part #F27911500 for SK24, part #F27911600 for SK26, part

#F27911700 for SK28 and part #F27911800 for SK30) (1. fig. 130 and 131).