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16
PNEUMATIC HOIST 200
ED. 01 - 10/2019 - Cod. 150097
O
PROBLEMS AND SOLUTION
Problem
Cause
Solution
•
The pump does not start
• Feed air not sufficient
• Outlet product line clogged.
• Dried product inside the pumping
element.
• Pneumatic motor blocked in the
cycle reversal position.
• Parts failure of the pneumatic motor
• Increase feed air pressure to the
ram.
• Clean. Disconnect the outlet pro
-
duct pipe. Feed pump at minimum
pressure and check if the pump
starts without the outlet pipe.
•
Disassemble the pumping group
and clean (
see the instruction
manual of the pump
).
• Decrease the feed air pressure to
the pump.
• Manually reset the pneumatic motor
(
see the instruction manual of the
pump
).
• Disassemble the motor and check
(
see the instruction manual of the
pump
).
• Accelerated working and no pressure
of the pump
• There is no product
• The pump suck air
• Feed air not sufficient
• Pumping rod gaskets worn
• Suction valve worn or partially
clogged.
• Replace the drum with a new one
•
Open the bleeder valve on the
shovell plate and the bleeder valve
on the pump.
• Check the bleeder delivery valve to
the shovel plate is closed. If not,
close the valve.
• Increase the feed air pressure.
• Replace the lower gaskets (
see the
instrucion manual of the pump
).
• Clean and/or replace if necessary
the worn parts (
see the instrucion
manual of the pump
).
