Greenheck Isolation Assembly Instructions (468646) - Manual (Page 2)

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A Fastener Kit is enclosed with your fan unit. Assorted fasteners will be used to attach the isolation base to the
fan frame. Note that this kit contains fasteners used for multiple fan sizes. There will be leftover fasteners that
can be discarded. A diagram of the hardware assembly sequence can be found on the next page.
One of three kits will ship with the unit dependent on the model and size of the fan. Refer to the Fastener Kit
Parts List to ensure the appropriate kit was shipped and that it includes the correct pieces. If the fan uses Kit
#2 or #3, use the largest bolt that will fit through the base channel and fan framework along with the appropriate
washers and nuts, the others may be discarded. GFC part numbers 818034, 818035 and 818036 are the
stainless steel versions of these kits.
Base Fasteners
All dimensions shown are in inches.
Single Width refers to GFC fan models AFSW, BISW
Double Width refers to GFC fan models AFDW, BIDW
Plenum refers to GFC fan model QEP
Industrial refers to GFC fan models IPA/IPO/IPW
Fastener Kit Parts List #1
GFC Part #818031 or #818034 (SS)
Quantity Description
6 3/8 Bevel Washer
6 3/8-16 x 2.25 HH Bolt (2.00 = SS)
6 3/8-16 Hex Nut
12 3/8 Flat Washer
6 3/8 Lock Washer
Fans that use Kit #1 Arrangement Class
Single Width 12-18 1, 9 Class III
Single Width 12-16 3 Class I, II, III
Double Width 12-16 3 Class I, II, III
Plenum 12-16 3 Class I, II, III
Fans that use Kit #2 Arrangement Class
Single Width 7-33 1, 9, 10 Class I, II
Single Width 20-33 1, 9 Class III
Single Width 18-36 3 Class I, II, III
Double Width 18-36 3 Class I, II, III
Plenum 18-36 3 Class I, II, III
Industrial 5-19 1, 9, 10 SD, HD
Fastener Kit Parts List #2
GFC Part #818032 or #818035 (SS)
Quantity Description
6 3/8 Bevel Washer
6 3/8-16 x 2.25 HH Bolt (2.00 = SS)
6 3/8-16 Hex Nut
12 3/8 Flat Washer
6 3/8 Lock Washer
6 1/2 Bevel Washer
6 1/2-13 x 2.50 HH Bolt (2.00 = SS)
6 1/2-13 Hex Nut
12 1/2 Flat Washer
6 1/2 Lock Washer
Fans that use Kit #3 Arrangement Class
Single Width 36-73 1, 9, 10 Class I, II, III
Single Width 40-73 3 Class I, II, III
Double Width 40-43 3 Class I, II, III
Plenum 40-73 3 Class I, II, III
Industrial 21-41 1, 9 SD, HD
Fastener Kit Parts List #3
GFC Part #818033 or #818036 (SS)
Quantity Description
6 1/2 Bevel Washer
6 1/2-13 x 2.50 HH Bolt (2.00 = SS)
6 1/2-13 Hex Nut
12 1/2 Flat Washer
6 1/2 Lock Washer
6 5/8 Bevel Washer
6 5/8-11 x 2.25 HH Bolt (3.00 = SS)
6 5/8-11 Hex Nut
12 5/8 Flat Washer
6 5/8 Lock Washer