COMBAT
®
C
ABINET
H
EATERS
I
NSTALLATION
, C
OMMISSIONING
, O
PERATION
AND
S
ERVICE
M
ANUAL
52 of 85
3. For oil-fired b
u
rners it is recommended that the
atomising oil nozzle be replaced d
u
ring the
ann
u
al ser
v
ice.
12.3 Fan/Motor Assembly Maintenance (all
models)
The main fan bearings are permanently sealed and
do not need l
u
brication. Before cleaning, t
u
rn off f
u
el
and electrical s
u
pply. Remo
v
e the heater side
panels and
u
se a small br
u
sh or d
u
ster to clean the
fan blades from each side. Replace panels
w
hen
done.
Fi
g
ure 23: Belt Tension
Check the condition and tension of the dri
v
e belts.
The condition is best inspected
w
ith the belts
remo
v
ed. Check for chaffing or lateral cracks.
Replace belts as a matched pair as necessary.
Do not o
v
er-tighten belts, as this may ca
u
se bearing
damage.
12.4 Heat Exchan
g
er Maintenance
Ens
u
re that the front collector box is clean and that
the t
u
rb
u
lators fitted to the t
u
bes are in good
condition.
Also inspect the joint bet
w
een the heat exchanger
and the fl
u
e to ens
u
re that it is still sealed.
1. If maintenance is needed, remo
v
e the b
u
rner.
See Page 63, Section 15.1
.
2. Remo
v
e the
u
pper front panel.
3. Remo
v
e the front co
v
er of the heat exchanger.
4. Remo
v
e and inspect the t
u
rb
u
lators.
5. Clean o
u
t any deposits from fl
u
e
w
ays and the
comb
u
stion chamber,
u
sing a
v
ac
uu
m cleaner
and br
u
sh. Inspect the comb
u
stion chamber
and heat exchanger for damage or corrosion.
6. Any damage m
u
st be referred to
Roberts-Gordon E
u
rope Limited.
7. Replace components in re
v
erse order to abo
v
e
- replacing gasket material and any damaged
t
u
rb
u
lators.
8. Inspect and repair any damage to the seal
bet
w
een the fl
u
e and the fl
u
e spigot.
12.5 Thermal Insulation
While the
u
pper panels are remo
v
ed for heat
exchanger ser
v
icing, the thermal ins
u
lation fitted to
all the
u
pper panels m
u
st be inspected. Ins
u
lation
sho
u
ld be so
u
nd,
w
ith the foil face in good condition.
If any thermal ins
u
lation is in poor condition, then it
m
u
st be replaced
w
ith ne
w
ins
u
lation material and
s
u
itably sealed at the edges
w
ith adhesi
v
e foil tape.
Motor
Pulley
Fan
Pulley
8 mm to 10 mm
Summary of Contents for Combat MGB0100
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Page 7: ...1 of 85 Product Approval ...
Page 91: ...SECTION 16 SPARE PARTS LIST 85 of 85 ...
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