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Ke series, General pump – General Pump KE Owner Manual User Manual

Page 16

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GENERAL PUMP

A member of the Interpump Group

KE SERIES

Page 16

B)

Remove the high pressure packings from the

fluid end and the low pressure ones from their

support by means of standard tools, taking great

care not to damage the seats. Fig. 22

Take note of the correct order of the entire package

components when dissassembling (Fig. 23):

1. Head ring

2. HP packing

3. “Restop” ring

4. Middle ring

5. LP packing

6. Back packing

7. O-ring

When reassembling, make sure of the correct order of the

components.

C) Reassembling:

In order to carry out the replacement more easily, apply

a very small quantity of silicone grease on the pressure

packing lips and their seats on the fluid end. It is

necessary to help the sealing lips settle on the plunger.

D) Fit the fluid end back in place and tighten

the bolts with a torque wrench set for the

value indicated in the table on page 17 and

in the sequence incicated here below.

11.2.3 Plunger

To replace the plunger, if necessary, do as follows:

A) Loosen and remove the plunger screw (1, Fig. 25).

When dissassembling the pumping unit, the o-rings

should always be replaced.

B) To fit back the replaced components invert

the order using a torque wrench set for the

values indicated in the table.