HPP ET Serie Instrucciones Para El Ensamblaje Y Mantenimiento página 35

b) Take off the valve cap (A) from
the head (B) and unscrew the 8
screws (C) and (D), following the
sequence below:
Operation "1"
loosen the 8 screws (D) and
(E), with one turn of a key
(Allen key 10).
Operation "2"
completely unscrew the 4
screws (C) (Allen key 12) and
the 4 screws (D) (Allen key 10).
Do not unscrew the 4 screws
(E), if you want to keep the head
attached to the casing.
Remove the valve cap (A).
c) PUMPS WITH LQ HEAD
Use pliers to remove the delivery
(white cage) and suction (black
cage) valves, taking care not to
damage them.
Operation "1"
EN
Operation "2"
Fig. 9
Fig. 10
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