www.larius.com
17
PNEUMATIC HOIST 200
ED. 01 - 10/2019 - Cod. 150097
Always close the compressed air supply and release the pressure in the plant before performing any check or
replacement of parts of the pump.
Problem
Cause
Solution
• The pump works, but not sufficient
flow of product
• Outlet valve worn or partially clog
-
ged.
• Suction valve worn or partially
clogged.
• Outlet product line clogged.
•
The feed air pressure is too low.
• Clean and/or replace if necessary
the worn parts (
see the instruction
manual of the pump
).
• Clean or replace the worn parts (
see
the instruction manual of the pump
).
• Clean. Disconnect the outlet
product pipe. Feed pump at mini
-
mumpressure and check if delivery
increases the outlet pipe.
• Increase feed air pressure to the
ram.
•
The ram does not lift
• The feed air is not sufficient
• The control lever is not turned to
the left.
• The shovel plate is blocked on the
drum.
• Increase feed air pressure to the
ram.
•
Turn the lever to the left.
•
Gradually open the bleeder delivery
valve to the shovel plate so as to
facilitate coming out of the drum.
• Leakage of material from the edges
of the drum
• Shovel plate gaskets worn
•
The feed air pressure of the pneu-
matic cylinder is too high
• Replace the gaskets.
• Reduce air pressure.
