Honeywell DC3 Manual Do Utilizador
15
Inserting the check valve assmbly into the pump in the wrong directiom, or having the check seat
upside down, will prevent proper seals at the o-rings, decrease pump performance, and can cause
damage to the diaphragm.
upside down, will prevent proper seals at the o-rings, decrease pump performance, and can cause
damage to the diaphragm.
12. Carefully make sure that the check assemblies are in proper position, and tighten the four tie-bar
bolts, using a star pattern, to a torque of 6 Ft-lbs (8 N-m).
13. Retighten any unions, flanges, or other process connections that may have been loosened previously.
Figure 12, DC5 and 6 check valves, metal construction