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A746-02-885 Issue A
5.1.4
Assembling fittings
1. Use open ended wrench to reconnect fittings with connection hose to pump heads.
2. Fix the ring nut when tightening the hollow bolt.
5.1.5
If the pump does not achieve the ultimate pressure
In case the diaphragms and valves have been replaced, a run-in period of several hours is required before the pump
achieves its ultimate vacuum.
If pump does not achieve the ultimate total pressure:
Check hose connectors between pump heads and manifolds for leaks.
If necessary recheck pump chamber.
Page 28
Figure 24 - Assemble the fitting at the pump head
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