Trouble or Complaint
Possible Cause
Action
47
9-04-02
4.
Burner starts but
will not light up.
5.
Burner lights up,
runs continuously
and emits visible
smoke orshows
excess smoke on
combustion check.
6.
Burner lights up,
runs normally but
flame cuts off
slowly on shut
down (possibly
with smoke or
pulsation).
This can be due
either to absence of
oil or ignition
Oil pump air locked,
(repeated air locking
may be due to poor
pipe joints or defective
gland packing).
Motor not driving
pump shaft.
Blocked atomiser
nozzle.
Oil pressure abnor-
mally low.
Solenoid valve faulty.
Pump rotation
incorrect.
Ignition failure.
Electrodes dirty
Electrode miss-set
Cracked electrode
insulator.
Air shutter closed.
Wrong nozzle.
Worn atomiser
nozzle.
Oversize nozzle
fitted in error.
Nozzle incorrectly
stamped.
Burner air supply
inadequate.
Burner oil pressure
excessive.
Air in nozzle.
Magnetic valve not
operating correctly.
Shut off piston in
pump sticking.
Pump should be self-venting with two pipe system
only. If a one pipe gravity feed is employed it must be
purged through the vent port.
Check that flexible drive is functioning correctly and
not slipping.
Remove and replace nozzle.
Check oil pressure gauge and set to the correct pres-
sure (see Technical data).
Break union at outlet to check presence of oil. Check
that seat is clear. Check coil for continuity. Inspect
coil feed wiring to control box.
Check.
Inspect and clean if necessary.
Inspect and reset gap to 3-4mm between tips, 2mm
in front of nozzle face.
Check and replace if cracked or crazed.
Reset to correct position.
Check make, type and spray angle.
Replace if necessary.
Check size and replace with correct size if neces-
sary.
Replace with correct nozzle.
Inspect air intake and fan for fouling of impeller with
dirt.
Check pressure and reset to correct pressure (see
Technical data).
Should self-correct; if air repeatedly present; check
for leaks on oil line and flexible.
Inspect and replace if necessary.
Replace pump.
Содержание COH110
Страница 60: ...14 Fig 4 9b Reillo bypass adjustment 9 04 02 Fig 4 9a Reillo bypass adjustment ...
Страница 63: ...17 9 04 02 ...
Страница 82: ...36 9 04 02 ...
Страница 83: ...37 Model 220 only Fig 8 3c Model 280 only Fig 8 3d Top Top Top 9 04 02 ...
Страница 86: ...40 9 3 BURNER PARTS 9 04 02 Model 110 443T58 ...
Страница 87: ...41 29 01 08 Model 180 459T55 3007708 ...
Страница 88: ...42 29 01 08 Model 220 464T55 3007708 ...
Страница 96: ...Station Lane Industrial Estate Witney Oxon Tel 01993 778855 Fax 01993 703407 Booklet 12 M3491 7 11 02 ...