MSG AQUAPRO-WC Serie Manuel De L'utilisateur page 57

Trouble shooting guide
FAULT
PRESSURE REGULTAOR (WEED KILLING MODE)
The regulator engages and releases
when the gun trigger is released.
The regulator engages and releases
when the gun trigger is engaged.
Pump staying under pressure when the
gun is released.
Water dripping from the regulator
guide.
CAUSE
The gun does not properly close.
Leaks on the high pressure line.
The regulator check valve does not
properly close.
The regulator piston seal kit is worn.
The regulator guide seal kit is worn.
There is not enough fl ow to maintain
the regulator engaged (jammed nozzle).
The gun does not properly close.
The regulator check valve does not
close.
The regulator guide seal kit is worn.
57/98
REMEDY
Adjust, repair or replace the gun.
Stop the leaks.
Replace the defective parts.
Replace the defective parts.
Replace the defective parts.
Clean the nozzle (problem encountered
with interchangeable nozzles).
Repair or replace the gun.
Repair the check valve.
Replace the defective parts.