TROUBLE SHOOTING GUIDE
Symptom
Remedy
Pump does not operate
•
Ensure
battery
wires
are
connected
to
battery
properly.
•
Check
the
inline
Fuse
in
the
power
loom
•
Check
battery
is
not
flat
or
low
•
Check
terminals
are
fitted
to
On/Off
power
switch
•
Check
that
2
wires
are
connected
to
pump
pressure
switch
The pump continues to run when
the spray gun is off
•
Check
if
there
is
a
slow
leak
of
liquid.
Check
all
hose
connections
and
the
spray
gun
for
any
leaks.
•
Check
the
tank
is
not
empty
or
the
suction
filter
is
not
fully
immersed.
•
The
pressure
switch
may
need
adjusting,
the
pump
will
need
to
be
removed
and
generally
1
turn
anticlockwise
with
a
1/16”
allen
key
will
correct
the
problem
Pump operates with no flow or
reduced flow
•
The
pump
will
only
prime
if
the
gun
trigger
is
on.
•
Check
the
filter
in
tank
or
nozzle
is
not
blocked
or
the
spray
hose
kinked.
•
Pump
valves
may
be
stuck
or
blocked.
Apply
a
small
amount
of
pressure
to
the
suction
line
by
removing
the
filter
and
placing
a
garden
hose
over
the
suction
hose
inside
the
tank
while
the
pump
is
running.
Pump it getting very hot in
operation
•
Voltage
drop/restriction
causing
excessive
heat.
Check
that
voltage
at
pump
is
12V
when
operating.
Remove
extended
power
loom
if
required
or
use
heavier
gauge
wire.
•
Pumping
at
maximum
pressure
will
use
more
amps
and
generate
more
heat.
Check
nozzle
for
restriction
•
When
ambient
temperature
is
over
21°C
all
pumps
operating
at
higher
pressures
will
have
additional
trouble
to
keep
cool.
If
spraying
on
hot
day
consider
using
for
shorter
periods
of
time
or
pumping
at
lower
pressure.
Spray Gun is leaking at lance or
nozzle
•
Check
if
fitting
is
loose
•
Washer/gasket
belonge
between
fittings;
Check
that
part
has
not
been
lost.
Notes
