Carrier 39B - Manual (Page 7)

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UNITS 39BA,BB SIZES 070 THRU 120 (Arrange­
ment A) - Refer to Fig. 3 and Table 1.
1. Remove shipping skid(s) and apply sealing
compound to flanges on air intake side of fan
section.
2. Face air intake side of fan section toward air
discharge side of cooling coil section.
3. Fasten flange 1 to 2 with five 3/8-16 x 3/4-in.
hex head cap screws, lockwashers and flange 2
weld nuts.
4. Fasten flanges 3 to 4 with one 3/8-16 x 3/4-in.
hex head cap screw, lockwasher, and hex nut
per two flanges.
5. Fasten corners 5 to 6 with one 3/8-16 x 3/4-in.
hex head cap screw, lockwasher, two plain
washers and hex nut per two corners. Corner
holes are 11/16-in. diameter.
6. Fasten external flange 7 to 8 with three
3/8-16 X 3/4-in. hex head cap screws, lock-
washers, and flange 8 weld nuts.
7. Tighten all screws securely.
UNITS 39BA,BB SIZES 130 THRU 140 AND
39BC SIZES 135 AND 140 (Arrangement A) —
Refer to Fig. 3 and Table 1.
1. Follow preceding steps 1 and 2.
2. Remove fan section panels A and B. Provide a
cardboard walkway on fan section bottom to
protect insulation.
3. Fasten flange 1 to 2 with seven 3/8-16 x 3/4-in.
hex head cap screws, lockwashers, and flange 2
weld nuts.
4. Fasten flanges 3 to 4 with five 3/8-16 x 3/4-in.
hex head cap screws, lockwashers, plain
washers, and hex nuts per two flanges.
5. Fasten riser panel 9 to lip 10 with six
1/4-20
X
1/2-in. self-tapping screws and Hp 10
engagement holes.
6. Tighten all screws securely.
7. Remove cardboard walkway from fan section
and replace panels A and B.
Fig. 3 — Base Unit Assembly for 39BA,BB070-140 and 39BC135 and 140 (Arrangement A)