Instruction manual – Beckett CF 2500/ 3500 User Manual
Page 13
Instruction Manual
– Model CF2500/CF3500 Oil Burner
13
Form 6104 BCF-35-R0699
Table 5 – Initial air adjusting plate settings
(damper position)
Figure 12 – Air damper and damper motor assembly
Legend (Figure 12)
a Damper motor – do not adjust internal cam
b Arm assembly
c Ball joint assembly – do not adjust position of ball
joint
d Damper rod
e Damper rod guide
f
Damper linkage arm - sets high-fire air position
g Damper
h Damper label - position indicator for air adjusting plate
k Damper indicator - permanently attached to damper
m Air adjusting plate - sets low-fire air position
Approximate
adjusting plate
settings
Firing rate, gph
Tube “KP”
Tube “KM”/“KR”
0
--
--
1
8.00
8.00
2
9.00
9.00
3
11.00
11.00
4
12.00
12.00
5
15.00
15.00
6
17.00
17.00
7
18.00
19.00
8
19.00
22.00
9
20.00
25.00
10
22.00
29.00
10.5
25.00
35.00
CLOSE
OPEN
3516
a
b
d
e
f
g
3517
CLOSE
a
b
d
c
12
0
1
2
3
4
5
6 7
8 9 10 11
h
k
m