Operating instructions

ProMinent
®
Page 26
Commissioning / Operation / Maintenance
IMPORTANT with regard to ball valve installation (single ball valve with Teflon ball seat only)
If experiencing priming problems during installation:
왘 Ensure that there are no foreign bodies in the valve
왘 Place valve on a stable surface
왘 Tap the ball seat lightly with an approx. 300 g hammer and a brass rod
왘 Allow valves to prime while wet. The pump is now ready for operation.
approx. 300 g
Brass rod
Fig. 15
The pump is now ready for operation.
9 Operation
WARNING
EX pump only: Always observe the “Important supplements for dosing pumps in EX areas”
section of the “General Operating Instruction for ProMinent
®
Motor-Driven Metering Pumps
and Hydraulic Accessories”!
NOTICE
• Note the instructions in the “Commissioning” section and in the operating manuals for
the other machine components.
• HMH only: If hydraulic oil is not flowing through the hose to the bleed valve, stop the
pump immediately and contact customer service.
The liquid end may otherwise be seriously damaged.
10 Maintenance
WARNING
• EX pump only: Always observe the “Important supplements for dosing pumps in
EX areas” section of the “General Operating Instruction for ProMinent
®
Motor-Driven
Metering Pumps and Hydraulic Accessories”!
• Always depressurise the suction and discharge lines before working on the pump!
• Always empty and rinse the liquid end before maintenance or repair work if the pump
has been used with unknown or hazardous media.
BA_MA_TZ_006_10_06_GB.p65 05.02.2007, 13:41 Uhr26