Dellmeco DM 15/30, Инструкция по эксплуатации

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20 I DELLMECO I AODD DIAPHRAGM PUMPS
11. Daily check
Before starting pump operation, conduct the following check procedures every day. In case there
appears any irregularity, do NOT start running the pump until the cause of the irregularity has been
determined and corrective measures have been taken.
a) Make sure that there is no leakage of fluid from any connection part or the pump.
b) Make sure that there are no cracks in the pump casing or piping.
c) Check the tightness of every bolt of the pump.
d) Make sure that the connection parts of the piping and peripheral equipment are not loose.
e) Make sure that any parts of the pump that are to be replaced at regular intervals have been
changed.
12. Possible problems
12.1. Pump does not run
Cause Action to take
The exhaust port (muffler) of pump is clogged with
sludge.
Check and clean the exhaust port and muffler.
Air is not supplied.
Start the compressor, and open the air valve and air
regulator.
The supply air pressure is low.
Check the compressor and the configuration of air
piping.
Air leaks from connection parts. Check the connection parts and tightness of bolts.
The flow valve on the discharge side is not open. Open the flow valve on the discharge side.
The fluid piping is clogged with sludge. Check and clean the fluid piping.
The pump is clogged with sludge. Disassemble the casing, check and clean.
Be extremely careful when removing piping - the fluid will gush out.
After cleaning with clean water, turn the pump upside-down to let the water flow out.