DRAGON
30
English
To facilitate fitting the O-ring (L28) it is advisable
to warm it slightly with a blast of hot air.
•
Screw the locking ring nut (
L20
) back onto the body of the
pump unit until it makes contact, then loosen it by one turn;
•
Remove the sleeve/cylinder seal (
L30
) and replace it with a
new one;
•
Remove the OR (
L25
-
L26
-
L28
) from the body of the foot valve
(
L29
) and from the ball seat holder (
L27
) and, if necessary,
replace them.
Reassemble the components in their proper order
(as indicated
in the diagram)
;
The ball seating (L17) is countersunk on one side,
where the ball (L18) must sit.
L20
L30
L17
L18
L29
L27
L26
L25
L28
Countersunk
