Backrest Installation
Adjustable Rest-A-Bak ( Drivers Backrest ) by Custom Fabrication
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FIGURE 1
FIGURE 2
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FIGURE 3
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FIGURE 4
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This is what it looks like before it is put together. In the instructions is a part list. As with anything else that comes in part and make sure you have everything before you start. (Figure 1)
Tools needed: Allen wrench, 13 & 14 mm wrenches, Phillips Screw driver
1. Remove the front bolts from the side handle grips (Figure 2 )
2. Mount the side adapters to the Helix using the 8X1.5X3 hex head bolts with the flat side of the mounting hole against the seat ( Do not tighten yet )
Assemble everything loose before tighning anything down.
3. Put the bases on the adapters with the  3/8-16 lock nuts ( Do not tighten yet) The adjusting knobs should be to the front. (Figure 3)
4. Put supports in bases using the 1/4 x 1 clevis pins and spring pins. The hole at the top of the supports should be at the back. ( Figure 3 )
5. Slide extentions into the supports and snug the 1/4-20 x 1/4 brass round head screwsdown to the highest position.
6. Bolt back pad to the extensions with the 5/16 - 18x3/4 hexhead bolts.
7. Fasten the pad to the back bar with the 1/4-20x3/4 flat head screws.
8. Now set the height and angle of the pad.
9. Go back and tighten bases in a position that allows the back pad to fold forward and back freely.
10. Check and tighten all bolts and screws. Recheck them periodically
11. Adjust black knobs to your satisfaction.
12. Your Done (Figure 4)
May sound hard but it's really not once you start it's easy.