Acer AIR-104 Bedienungshandbuch PDF herunterladen (Seite 12)

GENERAL PUMP

A member of the Interpump Group

LH SERIES

Page 12

11.3 Pumping unit maintenance

The only maintenance operation required for the pumping

unit is to periodically check the amount of water

drained out by the pump through the hole

provided in the lower cover (Fig 6, page 9).

It clearly shows the pressure packing state

of wear; replace them if water dripping

becomes continuous and not intermittent.

For inspecting the pumping unit, remove the head by

loosening the eight head screws (1, Fig. 16).

Remove the upper cover by loosening the four screws

(1, Fig. 17).

Loosen and remove the plunger screws (1, Fig. 18).

Push the plungers forward by rotating the crankshaft,

then introduce our tool p/n F200030060 (or equivalent)

(1, Fig. 19) in between the piston guide and the cylinder.

With the tool in place, rotate the crankshaft until the

cylinder is pushed out together with the plungers

(Fig. 23). Repeat the operation for each pumping unit.

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Acer AIR-104 Bedienungshandbuch Seite 12