4
13
4.1
4
15
5
15
5
15
5
15
5
Fig. 17
Fig. 16
AISI 316L head “A” execution, flanged connections.
AISI 316L head “A” execution, threaded connections.
PP head “PP” execution, flangeded connections.
PP head “PP” execution, threaded connections.
PROPER ARRANGEMENT OF:
-Valves pos. 15
-Seal pos. 5
• Refer first to the pumphead section
drawing.
• Pay attention to the arrangement of the
valve components; each valve ball rests by
gravity on its seat (Figure 17).
• Unscrew the suction and discharge valve
units, one at a time. Check their components
for soundness and cleanness.
• Clean carefully all valve components: seat,
ball, guide, housing.
In case of lower or irregular flow rate,
check the valve units as follows
:
MAINTENANCE
MAINTENANCE
ROUTINE MAINTENANCE
OIL DRAINING
OIL WINDOW
OIL FILLING UP
• Check the oil level periodically
(fig. 16)
.
• Change the oil every 10.000 operating hours.
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