MecaTech MecaCleaner MT424 Notice D'utilisation page 9

CLEANING & MAINTENANCE
Cleaning of the machine
This can be done with non-aggressive and non-abrasive cleaning products.
Fast coupling maintenance
The O-ring in the fast coupling will age due to the influence of the cleaning liquids and mechanical stress
by the coupling action.
The machine contains on spare set of O-rings for replacement. O-rings can easily be replaced by uns-
crewing the two coupling parts.
DETECT FAILURES
ACTION FAILURE
Connect the return Pump does not start
 
hose to the engine. to run.
 Fill the tank with
liquid.
Open the pressure

regulator completely
(turn counter –
clockwise).
 Press the START
button.
 Tank is empty, pump
start to work.
 When pouring liquid
in the tank, the
pump starts running.
 Engine is running but
pump does not
generate any
pressure.
POSSIBLE CAUSE SOLUTION
Loose contacts at : Fix the again.
 
- Floating device
- Pump
 Electronic card is  Replace the card
faulty
Fuse has melted Replace the fuse
 
 Pump is faulty  Replace the pump
 The floating device  Replace the floating
does not make device by a new one
contact.
 Electronic card is  Replace
faulty.
Floating device is Replace
 
faulty.
Press the STOP
 Overpressure in 
system. button. Attend the
stop the motor. Turn
pressure regulator
completely open.
Press the START
button.
DETECT FAILURES
ACTION FAILURE
 Slowly close the  The pressure
pressure regulator to increases irregularly.
increase the
pressure.
 The pressure
increases
insufficiently or not at
all.
With regulator open,

the initial pressure is
too high.
 For carburettor  Pression does not
engines: turn sufficiently drop.
pressure regulator
completely counter-
clockwise
POSSIBLE CAUSE SOLUTION
 Pump is damaged.  Replace the pump.
 Pressure gauge is  Replace the pressure
damaged. gauge.
 Regulator is  Replace the
damaged. regulator.
 Regulator leaks
 Dismount it and
 Resistance in replace the seals.
pressure hose Open the machine

because of a crack in and replace the hose.
the between pressure
gauge and outside
pressure connection.
 Resistance in the
regulator. Dismount it, check it

 Regulator is and eventually repair
damaged. or replace it.
 Crack in the hose at
regulator inlet or Replace the hose if

outlet. necessary.
 Obstruction in  Repair or replace.
pressure regulator or
in valve.
Damaged seals. Replace them.
 
Too high a pressure Use carburettor
 
inside carburettor. adapter.