1951 Chevy Accessories Installation Manual

6. Slide Mounting Bracket "B" over Shaft "F" until it fits snugly into Lamp Arm "H" (see figure 168). Slip Spring "I" over Shaft so that small tang on Spring is farthest away from Bracket "B." Compress Spring "I" until small tang fits into hole in Shaft "F."
This automatically holds Bracket "B" in place with correct tension.
7. Slip Gasket "K" over Shaft, and rotate Lamp Head until Racks protrude from Shaft to equal lengths. Tie Rack ends together with string or rubber band, then put Shaft "F"
Figure 170