STEMCO Aeris - Manual (Page 11)

Aeris Installation and Service Manual
Page 11 of 42
Drill Fixture (Suggested)
Drill fixture for aligning holes on axle.
1. Drill fixture
2. Drill bushing lock screw
3. Drill bushings - Type SF (3 Sizes)
–
5/16”, 7/16” and 9/16”.
Figure 3 Figure 4
Determine Axle Requirements:

Axle with nothing installed – Start at “Drill and Tap Holes”.

Axles with pre-drilled holes but no hardware installed – Start at “Axle Hose Installation”

Axle with “Other” tire inflation system – remove airlines and fittings– Start at “Axle Hose Installation”
Drill and Tap Holes

Clean off axle for drilling holes for air fittings.

Review the sketch of how drill fixture is made. See Figure 3 & 4

Drill holes using the drill fixture (Figure 4) to facilitate drilling and tapping of holes for the three air fittings.
Use a level to align the fixture and a c-clamp to hold fixture in place (figure 5). Use lubricant for drilling and
tapping the holes.