Grain Systems Tanks PNEG-257 - Manual (Page 35)

7. Roof
PNEG-257 12', 15', 18' and 21' Bulk Feed Tanks BFT and GHT Series 35
Figure 7J
Roof Ladder Parts List
NOTE: Three (3) holes spaces on either side of centerline of ladder. (Six (6) spaces between brackets.)
NOTE: Center roof ladder over roof seam during assembly. Ladder is symmetrical about roof seam. One
side shown for clarity. Use 5/16" bin bolts and nuts for assembly. Position ref# 6 and ref# 7 as
needed for additional support.
Ref # Part # Description
Qty
12' Diameter
Qty
15' Diameter
Qty
18' Diameter
1 LS-147 Inside Ladder Standoff 2 2 2
2 BLK-11762 12' BFT Roof Ladder Support Channel 2 - -
2 BLK-11763 15' BFT Roof Ladder Support Channel - 2 -
3 BLK-11764 18' BFT Roof Ladder Support Channel - - 2
4 S-275 5/16'' x 3/4" Bin Bolt 20 22 24
5 BLK-11679 Roof Ladder Rung 4 5 6
6 S-396 5/16''-18 Hex Nut 20 22 24
7 BLK-11872 Center Roof Ladder Support 1 2 2
8 BLK-11873 Outer Ladder Support 2 4 4