Acer AIR-104 Bedienungshandbuch PDF herunterladen (Seite 13)

Page 13

GENERAL PUMP

A member of the Interpump Group

LH SERIES

Disassemble the packing support from the cylinder by

means of a pin key (1, Fig. 20).

Remove the scraper (1, Fig. 21) and o-ring (2, Fig 22)

from the packing support.

In order to fit the new scraper in place, shape it manually

as shown in Fig. 22. VERY IMPORTANT! The scraper is

provided with an internal lip which performs the correct

scraping effect only if oriented toward the fluid end. See

window inside Fig. 22.

Before reassembling the pumping unit carefully clean

the pressure packing seat in the cylinders, fit in place the

packing ring (1, Fig. 23) and then the pressure packings

(2, Fig. 19). A little bit of grease helps sliding the

packings into the packing support.

Pressure packings and o-rings should always be

replaced at every disassembling of the pumping unit.

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Acer AIR-104 Bedienungshandbuch Seite 13