PowerLock
™
FOR GRAIN TRAILERS
13
Installation Instructions
Step 3b
Installing Aluminum Bows
1) Figure 21.
Align aluminum pocket with marked bow location and
fl ush with top of rail.
WELD
2A)
Weld down each side of pocket.
BOLT
2B)
Drill a pilot hole and attach with 3/8 x 1 type F HWH bolts.
3) Figure 22.
Insert bow into pockets.
Step 3c
Installing Adjustable Steel Bows
1) Figures 23 & 24.
Align steel pocket with marked bow location and adjust height so bend in bow is even with
the top rail.
2a) Figure 24.
Drill a pilot hole and attach with 3/8 x 1 type F HWH bolts.
2b) Figure 25.
Drill a pilot hole and attach with 3/8 x 1 type F HWH bolts.
3) Figure 26.
Loosen set screw on bow. Insert bow into pockets into one pocket and adjust width and insert in
other pocket and tighten set screw.
Mark on
top rail
3/8 x 1 Type F HWH
Figure 21
Figure 22
Set Screw
Figure 26
Bracket can be positioned high or low
Figure 23
Mark on
top rail
3/8 x 1 Type F HWH
Figure 24
Figure 25
Hardware to Mount to Sideboards
Index Description
Qty
1
5/16 X 2-1/2 CARRIAGE BOLT
8
2
5/16 FLAT WASHER
8
3
5/16 LOCK WASHER
8
4
5/16 HEX NUT
8
Install Bow Bracket to Sideboards