Technical data

23
NEW EXCALIBUR
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 (P9) in a vice (P10) (as shown).
• Slacken the ring nut (P11) by two full turns using the special
pin (P12) supplied.
Turn anticlockwise as shown.
• Use a 36 mm spanner to unscrew the pump unit as shown.
• Remove the pump unit (P13) from the foot valve (P14) 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 PTFE gasket (P15) located under the ball seating
(P16).
• Check that the surfaces of the ball seating (P16) and the ball
(P17) are not damaged. If necessary, replace both of them.
• Fit them again using the component sequence shown.
P9
P10
P11
P12
P13
P14