Grain Systems PNEG-366 - Manual (Page 6)

Grain Systems, Inc. Assumption, Ill.
6
18' Autoflow
HARDWARE/BOLTING REQUIREMENTS
NOTE: Grade 2 bolts are designated with a plain head.
NOTE: Grade 5 bolts are designated by 3 slash marks on the head.
All 5/16" diameter bolts are to be Grade 5 or higher.
NOTE: Grade 8 bolts are designated by 6 slash marks on the head.
NOTE: Grade 8.2 bolts are designated by 6 slash marks on the head in a
sunrise pattern.
All 3/8" diameter bolts are to be Grade 8 or 8.2.
IMPORTANT: Do not tighten bolts to exceed the torque specifications listed below.
CAUTION: UNDER NO CONDITION SHALL ANY OTHER BOLTS BE SUBSTITUTED FOR
THOSE SUPPLIED BY GRAIN SYSTEMS, INC.
IMPORTANT: HARDWARE USAGE - 20 gauge - 15 gauge sidewall sheets, use
5/16" x 3/4" bolts and nuts. (S-275)
14 gauge and 13 gauge sidewall sheets, use
5/16" X 3/4" bolts and nuts. (S-275)
- Use 5/16" x 1.1/4" (S-277) for attaching floor flashing to the sidewall.
REV. 11-20-96
TORQUE (ft. lb.)
BOLT SIZE MINIMUM MAXIMUM
5/16" - 18 15 20
3/8" - 16 35 42
7/16" - 14 65 72
1/2" - 13 95 105