Bill of materials – Buyers 1801005 User Manual
Page 3
Quality since 1946
Quality since 1946
Quality since 1946
Tools Required
•3/4" socket
•3/4" wrench
•9/16" socket
•9/16" wrench
•21 mm socket
•Torque wrench
1. Remove 14 mm bolts from bottom of frame
with a 21 mm socket.
2. Bolt brackets on with 14 mm bolts that were
just removed into the holes as shown. Insert 1/2"
screw with 1/4" plate through large hole in frame
and into brackets as shown. Install 1/2" washers
and lock nuts on the bolts. Leave nuts loose at
this time.
3. Install middle section between the brackets
as shown. Use bolting locations indicated. Attach
middle section using 3/8" screws, washers and
lock nuts.
NOTE: Be sure to use four holes to bolt
side brackets to middle section.
4. Tighten nuts in the following order: First
torque the 3/8" nuts to 40 ft-lb. Then torque 1/2"
nuts to 70 ft-lb. and 14 mm bolts to 85 ft-lb.
1
3004980
1
Middle Section
2
3004908
1
Side Bracket
3
3004909
1
Side Bracket
4
FCS038016125
8
Screw, HHC-3/8-16 x 1.25 Gr 5 Zn
5
FWF038081006 16
Washer, Flat 3/8 SAE Zn
6
FNE038016044
8
Nut, Nylock 3/8-16 x 7/16 Zn
7
3001384
2
Screw, Hex Cap 1/2-13 x 2" Gr 5 Zn
8
FWF050106010
2
Washer, Flat 1/2" SAE Zn
9
FNE050013053
2
Nut, Nylock 1/2-13 Zn
10
3004907
2
Bolt Plate, 1/4"
ITEM PART NO.
QTY.
DESCRIPTION
Bill of Materials
Chevy Silverado & GMC Sierra 1500, 2500, 1999-2006