Drilling on the warning light bottom cover shall be done from underside of the
cover drilling upward. Ensure drill bit will not contact any light hardware when
completing hole through bottom cover or damage to equipment will occur.
Be sure the warning light base plate is properly supported and stable prior to
drilling, and wear protective goggles and gloves or injury to personnel may result.
Using a 1/4-inch drill bit and drill motor, drill out three mounting holes (19) on bottom cover (16) from underside of
bottom cover (16). Do not allow drill bit to penetrate through the top of the bottom cover more than 1/4".
Remove warning light base plate (18) from warning light bottom cover (16).