21
EXCALIBUR LINER
English
•
Disconnect the pumping group by unscrewing the fastening
nut
(wrench 45)
.
•
Unscrew the pumping group from the housing.
You can now work easily as the pump casing has been freed.
•
Grip the complete pump unit (
N9
) in a vice (
N8
)
(as
shown)
.
•
Slacken the ring nut (
N10
) by two full turns using the special
pin (
N11
)
supplied.
Turn anticlockwise as shown.
•
Use a 36 mm spanner to unscrew the pump unit as shown.
•
Remove the pump unit (
N12
) from the foot valve (
N13
) as
shown.
Inspect the two parts separately.
PIT STOP MAINTENANCE
Replacement of upper and lower gaskets 25 minutes.
REPLACING THE FOOT VALVE SEALS
•
Replace the Teflon gasket (
N14
) located under the ball seating
(
N15
).
•
Check that the surfaces of the ball seating (
N15
) and the
ball (
N16
) are not damaged. If necessary, replace both of
them.
•
Fit them again using the component sequence shown.
N8
N9
N10
N11
N12
N13
