Trouble-Shooting (Faults, Causes & Remedies) - CAMPAGNOLA 940 Manual De Uso Y Mantenimiento

4 - USING THE COMPRESSOR
4.6 Trouble-shooting (faults, causes & remedies)
WARNING!
All maintenance operations must be performed by a qualified service mechanic.
FAULT
The air tank pressure drops when ma-
chine and tools are stopped.
The compressor overheats.
The pressure rises to over 14,5 bar and
the safety valve releases air.
The pilot valve/unloader makes a crack-
ling noise.
The compressor does not fill the tank up
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.
26 - 72
CAUSE
Air leaks from the fittings.
Insufficient ventilation because the up-
per cover grids are obstructed or the
head block fins are dirty.
The pilot valve/unloader is faulty or
badly adjusted.
The pilot valve/unloader is faulty or
badly adjusted.
• The belts slip.
• Air leaks from the head block seals or
the valves are broken.
The tools need to be lubricated.
The air regulator needs adjustment.
Air tank full of condensed water.
REMEDIE
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 belts tension or replace the
belts (chapter 5.2.2).
• Take the machine to an authorised serv-
ice point.
Check the oil and dosing levels of the air
lubricating unit (chapter 5.1.5).
Check the pressure and adjust it as de-
scribed in the tool instruction manuals
(chapter 4.4).
Drain the condensed water from the tank
through the tap (chapter 5.1.2).