EN
MINI AVANT
IS11/11 - 561185
10 - TROUBLESHOOTING
10
-
Pag.
2/5
THIS MANUAL IS PROPERTY OF
-
ANY TOTAL OR PARTIAL REPRODUCTION IS STRICTLY FORBIDDEN
Cap.
- Close the air cock to the gun: the machine stops.
- Stop the machine using the master switch.
- Discharge the pressure in the flow pipes by turning the by-pass lever to a vertical position (FIG.40-REF.1).
- Wait for the pressure indicated by the manometer (FIG.40-REF.1) to fall to zero.
Always discharge the pressure in the piping before disassembling the deflector or the gun. The line manometer
must indicate a pressure of zero bar. On trampling the mortar piping must go limp.
- Identify where the piping line is blocked: in this zone the mortar pipe is hard and rigid.
The most critical points are in correspondence with the fittings.
- Disconnect the mortar pipe, strike it with a mallet in correspondence with the blocked zone and eliminate the hardened
material (FIG.41).
- Start the machine for a few seconds to check that the pipe has been freed: the material must escape regularly.
- Pour slurry into the tract of disconnected pipe downstream from the segment just freed.
- Re-connect the piping line and re-start.
FIG.41
10.1.3 Pipe
bent
EFFECT
The effect is the same as a blocked mortar pipe.
SOLUTION
Look for the bend and straighten it.
10.1.4 Valves
blocked
EFFECT
Material does not escape from the piping and
- the manometer indicates a pressure that is too low (below 5 bar),
- the manometer needle does not oscillate
CAUSE
Mixture too thin (not enough binder) can determine a blockage in the valves.
