16 1) Options / model variants
Original instructions
NEPTUNE 5 FA
7.2.4 Changing the pump oil 1. Unscrew the oil drain plug
and drain oil into a suitable
container.
2. Check that the drain plug
gasket is in place and reinstall
drain plug.
3. Fill pump with proper grade
and amount of oil.
Oil grade and capacity see
chapter ‘9.4 Technical Data’.
7.2.3 Checking the pump oil
quality
1. Check color of pump oil.
If the oil has a grey or white
shade, change the oil (see
chapter 7.2.4)
2. Top off oil level with fresh oil
if necessary.
Oil type see chapter 9.4 Tech-
nical Data.
7.2.6 Flame sensor 1. Remove the sensor and clean
with a soft cloth.
2. Confirm that the sensor is
correctly seated when rein-
stalling.
7.2.5 Emptying the fuel oil
tank
1. Prepare a container which
is capable of containing the
amount of fuel remaining in
the tank.
2. Place drain channel beneath
the drain plug.
3. Remove the drain plug and
drain the fuel into the pre-
pared container carefully not
to spill fuel oil.
4. Check that the drain plug
gasket is in place and reinstall
drain plug.
5. Check tank and plug for
leaks.