Table 16 — Forward-Curved Fan Drive Centerline Distances in Inches (cont)
39M UNIT
FAN MODEL
MOTOR
SIZE
NO.
FRAME
182T
184T
213T
215T
254T
256T
FC 36
284T
286T
324T
326T
364T
365T
85
182T
184T
213T
215T
254T
256T
FC 40
284T
286T
324T
326T
364T
365T
182T
184T
213T
215T
254T
256T
96
FC 40
284T
286T
324T
326T
364T
365T
182T
184T
213T
215T
254T
256T
110
FC 40
284T
286T
324T
326T
364T
365T
LEGEND
BHF — Bottom Horizontal Front
BHR — Bottom Horizontal Rear
DBF — Downblast Front
DBR — Downblast Rear
BHF/BHR
DBF/DBR
Min
Max
Min
41.2
43.6
22.7
41.2
43.6
22.7
40.6
43.0
22.4
40.6
43.0
22.4
39.7
42.3
21.9
39.7
42.3
21.9
39.1
41.7
21.6
39.1
41.7
21.6
38.3
41.0
21.3
38.3
41.0
21.3
37.5
40.3
20.9
37.5
40.3
20.9
46.1
48.6
27.0
46.1
48.6
27.0
45.5
48.1
26.6
45.5
48.1
26.6
44.6
47.3
26.2
44.6
47.3
26.2
44.0
46.8
26.0
44.0
46.8
26.0
43.2
46.0
25.6
43.2
46.0
25.6
42.4
45.3
25.3
42.4
45.3
25.3
46.1
48.6
27.0
46.1
48.6
27.0
45.5
48.1
26.6
45.5
48.1
26.6
44.6
47.3
26.2
44.6
47.3
26.2
44.0
46.8
26.0
44.0
46.8
26.0
43.2
46.0
25.6
43.2
46.0
25.6
42.4
45.3
25.3
42.4
45.3
25.3
46.1
48.6
27.0
46.1
48.6
27.0
45.5
48.1
26.6
45.5
48.1
26.6
44.6
47.3
26.2
44.6
47.3
26.2
44.0
46.8
26.0
44.0
46.8
26.0
43.2
46.0
25.6
43.2
46.0
25.6
42.4
45.3
25.3
42.4
45.3
25.3
THF
— Top Horizontal Front
THR
— Top Horizontal Rear
UBF
— Upblast Front
UBR — Upblast Rear
THF/THR
Max
Min
Max
27.5
31.7
35.4
27.5
31.7
35.4
27.2
31.2
35.0
27.2
31.2
35.0
26.9
30.5
34.4
26.9
30.5
34.4
26.7
30.0
34.0
26.7
30.0
34.0
26.4
29.4
33.5
26.4
29.4
33.5
26.2
28.7
33.0
26.2
28.7
33.0
31.9
35.7
39.5
31.9
35.7
39.5
31.6
35.2
39.0
31.6
35.2
39.0
31.3
34.5
38.4
31.3
34.5
38.4
31.1
34.0
38.0
31.1
34.0
38.0
30.8
33.4
37.5
30.8
33.4
37.5
30.5
32.8
36.9
30.5
32.8
36.9
31.9
35.7
39.5
31.9
35.7
39.5
31.6
35.2
39.0
31.6
35.2
39.0
31.3
34.5
38.4
31.3
34.5
38.4
31.1
34.0
38.0
31.1
34.0
38.0
30.8
33.4
37.5
30.8
33.4
37.5
30.5
32.8
36.9
30.5
32.8
36.9
31.9
35.7
39.5
31.9
35.7
39.5
31.6
35.2
39.0
31.6
35.2
39.0
31.3
34.5
38.4
31.3
34.5
38.4
31.1
34.0
38.0
31.1
34.0
38.0
30.8
33.4
37.5
30.8
33.4
37.5
30.5
32.8
36.9
30.5
32.8
36.9
38
UBF/UBR
FAN SHAFT DIAM. (in.)
Min
Max
Class 1
32.9
35.5
32.9
35.5
32.3
35.0
32.3
35.0
31.5
34.2
31.5
34.2
2
7
/
16
30.8
33.7
30.8
33.7
30.0
33.0
30.0
33.0
29.2
32.3
29.2
32.3
37.6
40.4
37.6
40.4
37.0
39.8
37.0
39.8
36.2
39.1
36.2
39.1
2
7
/
16
35.6
38.6
35.6
38.6
34.8
37.9
34.8
37.9
34.0
37.2
34.0
37.2
37.6
40.4
37.6
40.4
37.0
39.8
37.0
39.8
36.2
39.1
36.2
39.1
7
2
/
16
35.6
38.6
35.6
38.6
34.8
37.9
34.8
37.9
34.0
37.2
34.0
37.2
37.6
40.4
37.6
40.4
37.0
39.8
37.0
39.8
36.2
39.1
36.2
39.1
7
2
/
16
35.6
38.6
35.6
38.6
34.8
37.9
34.8
37.9
34.0
37.2
34.0
37.2
Class 2
2
7
/
16
2
7
/
16
7
2
/
16
7
2
/
16