10
Super Finish 33 PLUS/PRO • Nespray Pro
3.6
CHECKING THE OIL LEVEL
1. Check oil level in the horizontal set-up.
2. The oil level must be in the middle between MIN and MAX.
When filling, briefly lift the device (tilt it up-
wards by approx. 30°) and check again. This
will remove any air bubbles that may have
formed.
MIN
MAX
3.7
TROUBLESHOOTING
TYPE OF
MALFUNCTION
WHAT ELSE?
POSSIBLE CAUSE
MEASURES FOR ELIMINATING THE
MALFUNCTION
Unit does not
start
Unit fuse has triggered
Let the motor cool down (you can also check
the LED on the PCB -> see chapter 3.8)
Multi-function switch not
set back previously to „0“
Set multi-function switch to „0“ and then
switch back on
Device triggers
mains fuse during
start-up
Starting current of the device
in cold state is approx. 48A
Mains fuse only 10A or
16A fast circuit breaker
10A fuse not suitable, use cable drum 30m
or install service set soft start 2404531 -> see
chapter 3.9
Unit runs but
makes a strange-
noise
Motor runs without load (very
silent), unit without function
Gearwheel inside the
gearbox is damaged
Replace the gear wheel, including the 8 slee-
ves, and remove the broken pins in the gear
housing.
Motor produces a loud and
high noise
Fan cover vibrates
Tighten the screws of the fan cover
High-frequency whistling noi-
se from the device
Transmission whistles
Run in for approx. 2h (device under load -
spraying pressure with water approx. 200
bar) If no improvement, replace internally
geared gearwheel.
Unit can‘t be ven-
tilated
Ventilation possible in vertical
position
Not enough oil
Check/correct oil level (Find reason for oil
loss. Particularly check whether oil has run
into the gear unit (check shaft seal ring).
Unit does not
suck in
Most likely ->
Inlet valve damaged or
clogged
Replace or clean inlet valve
Outlet valve damaged or
clogged
Replace or clean outlet valve
Pump sucks poorly
Valve pusher leaking
Dismantle valve pusher, replace if necessary
Valve makes no sound
Unit not ventilated
Ventilate unit
GB
