EN
UNI 30 E
17261 - 561.228
8 - MAINTENANCE
8
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Pag.
4/6
THIS MANUAL IS PROPERTY OF
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ANY TOTAL OR PARTIAL REPRODUCTION IS STRICTLY FORBIDDEN
Cap.
• Check and if necessary replace the ball valves.
Proceed as follows to replace the worn ball valves:
Open the stands (FIG.54-REF.1) acting on the ring nuts with the relevant key (FIG.54-REF.2) supplied.
Disassemble the inspection caps (FIG.55-REF.1) of the valves and remove the two rubber balls (FIG.55-REF.2) that are found
inside.
Replace the balls and re-mount everything taking care to fix the stands well.
4
5
2
3
1
2
1
FIG.54 FIG.55
• Check and if necessary replace the inspection cap gaskets (FIG.56-REF.1).
To replace the inspection cap gaskets:
Open the stands (FIG.54-REF.1) acting on the ring nuts with the relevant key (FIG.54-REF.2) supplied.
Disassemble the inspection caps (FIG.55-REF.1) of the valves and remove the two gaskets (FIG.56-REF.1) positioned in the
housing.
Sostituire le guarnizioni e rimontare il tutto avendo cura di fissare bene i cavallotti.
1
FIG.56
OPERATIONS TO PERFORM EVERY 6 MONTHS OR 500 HOURS
