Fuel Line Is Clogged - Val6 KBE5L Maintenance Manual

VAL6 KBE5S & KBE5L Trouble Shooting
No. Possible Cause
Fuel is not sprayed normally from the nozzle

33 Fuel line is clogged

34 Fuel filter (element) is
clogged
Replacing a fuel filter
35 Nozzle is clogged
Replacing a nozzle
unscrew three nuts and remove the burner
36 Fuel pump is clogged
or defective
How to check
Check with eyes whether
or not the fuel filter is
dirty or fouled
Loose the brass nut, then
switch on and check
whether fuel comes out
(place a pan under the
pump)
Result
If no fuel is pump up or
fuel is not flowing at
least 2" high, the fuel
pump is clogged or
defective (see exhibit
"How to restore the fuel
Loose the brass nut
and switch on
(make sure that
pump turns on)
6
Remedy
Clear the clog in fuel
line
Replace a fuel filter
Replace a nozzle
Clean and flush the
tank with kerosene,
alcohol or acetone
Replace a fuel pump
Clean and flush the
tank with kerosene,
alcohol or acetone
6