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10. ANOMALIES, FAULTS AND MALFUNCTIONING - FAQ AND ANSWERS
10.1 Anomalies and faults table. FAQ and answers.
SIGN
PROBABLE CAUSES
SOLUTIONS
insufficient conveying of fuel
a) check there is sufficient fuel inside the hopper.
a) fill the hopper with fuel.
b) check there are no objects inside the hopper
preventing the descending of the fuel or that the
same fuel has formed bridges.
b) re-mix the fuel inside the hopper.
a) check geared motor functioning fig.3.3.1.B
pos.22 by specifically observing whether the motor
turns, as well as the transmission chain's pinion.
a) ensure that the motor is pow-
ered or call the technical after-
sales assistance.
The fuel conveying screw
does not turn
d) removing the carter, check that the safety bolt
(fig. 10.1) fixing the pinion to the counter shaft is not
broken.
b) in case of empty rotation, mean-
ing breaking of the bolt, call the
technical after-sales assistance.
e) removing the carter, check that the transmission
chain does not jump out from the pinion teeth due to
no tension.
c) call the technical after-sales as-
sistance.
The fuel conical screw speed
cannot be regulated using the
manual variator
a) broken mechanical variator.
a) call the technical after-sales
assistance.
The grid's movement rod
does not turn.
a) broken mechanical variator.
a) call the technical after-sales
assistance.
Insufficient air for combustion
a) check operating of the fans fig.3.3.1A-B is not
prevented from foreign bodies inside the grid or that
the motor is correctly powered.
a) remove any foreign bodies and
check that the electric connector is
connected. Should the problem
persist, call the technical after-
sales assistance.
b) check that regulation knob fig.7.7 regulating the
opening of the blades loosens and tightens and that
the blades are not blocked by deposits, dust or oth-
er.
b) clean the knob threading by re-
moving the deposits and lubricate.
On the contrary, call the technical
after-sales assistance.
c) check that the grid firebars' holes are not ob-
structed by unburnt fuel residues.
c) clean as described in chap. 8
d) check any dust deposits on the fans blades.
d) remove the dust using com-
pressed air.
tab. 10.1
ATTENTION!!
BEFORE PERFORMING THE OPERATIONS DESCRIBED IN CHAP. 9, DISCON-
NECT THE ELECTRIC ENERGY FROM THE GENERATOR BY INTERVENING
ON THE MAIN SWITCH AND ENSURE THAT THE RESIDUE FUEL INSIDE THE
FIREBOX IS OFF AND HAS COOLED DOWN