Roof – Grain Systems Tanks PNEG-257 User 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