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Vise Grip
Clamping Area
Grommet
Washer
Locknut
FIGURE 3 - TRAILER SYSTEM-GUARD
2. Drill the three marked mounting holes into the frame
rail using a 5/8" diameter drill.
3. By hand, install the studs into the three corresponding
holes on the air dryer. To tighten attach vise grips to the
studs within 1" of the air dryer and turn 1/4 to 1/2 turns.
Thread damage on the stud in the area near the air dryer
is acceptable. Care should be taken to prevent damage
to the last 1-1/2 inches of the stud at the end opposite
the air dryer end cover.
4. Place a rubber grommet with the flat side toward the air
dryer over each of the installed studs.
5. Align and insert the air dryer mounting studs with
grommets into the 3 mounting holes on the vehicle frame
rail. The raised portion or shoulder of the grommets
must fit into the mounting holes drilled into the frame
rail.
4
Grommet
Stud
Frame Rail
™
AIR DRYER INSTALLATION
6. Install the remaining grommets on each of the mounting
7. Using the flat washer and locknut secure the air dryer.
CONNECTING THE AIR HOSES
Follow Figure 4 for air hose arrangement.
1. The Trailer System-Guard
Template for mounting holes
Trailer System Guard
studs with the raised portion or shoulder toward the frame
rail. Ensure the shoulder fits into the frame rail mounting
hole.
Tighten the locknuts using a 9/16" wrench turn until the
locknut, washer and outside grommet just make contact
(no actual compression of the rubber grommet) then turn
two(2) more turns.
™
line fittings are 1/4"-18 NPT. Cut the supply and control
lines and install 1/4 inch fittings.
Template for mounting holes
™
Air Dryer
air dryer supply and control
2.0 inches
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