Trouble-Shooting (Faults, Causes & Remedies) - CAMPAGNOLA MC 520 Manual De Instrucciones

4 - USING THE MOTORCOMPRESSOR
4.8 Trouble-shooting (faults, causes & remedies)
WARNING!
All maintenance operations must be performed by a qualified service mechanic.
PROBLEM
The air tank pressure drops when ma-
chine and tools are stopped.
The compressor overheats.
The pressure rises to over 11.5 bar and
the safety valve releases air.
The pilot valve makes a crackling noise.
The compressor does not fill the tank
and the tank pressure is low.
The tools do not work perfectly (slow
down).
The tools do not work at all.
Excessive condensation comes out of
the tools.
The engine does not start.
The motorcompressor does not move
forward automatically.
26 - 72
CAUSE
Air leaks from the fittings.
Insufficient ventilation because the cover
grids are obstructed or the head block
fins are dirty.
The pilot valve is faulty or badly adjusted.
The pilot valve is faulty or badly adjusted.
• The belt slips.
• Air leaks from the head block seals or
the valves are broken.
The tools need to be lubricated.
The air pressure is not correctly set
Air tank overfilled with condensed water
• The fuel cock is closed.
• Air tank under pressure.
• The engine oil level is too low.
• The carburettor is dirty.
• The gasoline is old.
The operating cable got broken.
SOLUTION
Check all fittings by using soapy water. The
air leaks will be indicated by air bubbles
(chapter 5.2.6).
Check the grids or blow air between the
head fins.
Take the machine to an Authorised Service
Point.
Take the machine to an authorised service
point.
• Reset the belt tension or replace the belt
(chapter 5.2.1).
• Take the machine immediately to an
Authorised Service Point.
Check the oil and dosing levels of the air
lubricating unit (chapter 5.1.5).
Check the pressure and adjust it as
described in the tool instruction manuals
(chapter 4.7).
Discharge the condensation by opening the
exhaust valve (35) (ch. 5.12)
• Open the cock (8).
• Let the air out (35) by opening the valve.
• Top up the oil to the required level.
• Take the machine to an Authorised Ser-
vice Point.
• Use fresh gasoline.
• Take the motorcompressor to an Author-
ised Campagnola Assistance Point or
dealer.