Checks For Clogging; Checks For External Leak - Hardi ISOBUS VT Operator's Manual

11 - Fault finding

Checks for clogging

Clogging of valves and hoses should be avoided. If suspicious of clogging, the following checks are recommended
€
DANGER! As water will be flushed out, tests are to be done with a clean sprayer in order to avoid spot contamination
and risk of personal injury.
Suction Pressure
SmartValve SmartValve
External fill To
MainTank
From Pressure
MainTank Empty
From Spraying
MainTank
From Spraying
MainTank
From
MainTank
From
MainTank
From
MainTank
From
MainTank
From
MainTank

Checks for external leak

If suspicious of external leaks:
1. Clean sprayer, if necessary, as water will be flushed out later.
€
DANGER! As water will be flushed out, test is to be done with a clean sprayer, in order to avoid spot contamination
and risk of personal injury.
2. Run a stationary FastFlush, and monitor if water exits sprayer in places other than the boom. In particular monitor area
below sprayer frame.
11.2
Valve positions
External fill valve Agitation valve
(Open) Closed
(Closed) Closed
(Closed) Closed
(Closed) Closed
(Closed)
(Closed) Closed
(Open) Closed
(Closed) Closed
(Closed) Closed
Pump Other
Turned ON Connect hose from
external tank to
External fill
Turned ON
Turned ON Boom sections closed Look in MainTank.
Turned ON Boom sections closed Look in MainTank.
Turned ON
Turned ON
Turned ON Close lid on MainTank.
Remove cap on
External filling
coupler
Turned OFF Pull the 2 rinsing
nozzles up from tank
Turned ON at low Start pump, rum at
R.P.M. low RPM
Verify
Look in MainTank.
Check that water exits
from ejector
Look in MainTank.
Check that safety
valve opens
Check that safety
valve closes and does
not leak water
Check that water exits
pressure filter dump
line
Look in MainTank.
Check that water exits
from agitation tube
Look in MainTank.
Check that water exits
from thin tube
Check that water
comes out of External
filling coupler
Check by hand that
rinse nozzles can
rotate
From tractor cab,
confirm water exits
rinse nozzles