BENDIX Trailer System-Guard Manual - Page 5

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Trailer

System-Guard

Dryer

If the trailer is equipped with an R-12P

valve, the trailer systems guard must be

mounted upstream of the R-12P

FIGURE 4 -TRAILER SYSTEM-GUARD

2. Connect the supply and control lines to the Trailer

System-Guard

™

air dryer making sure to keep the control

and supply circuits separate as shown. Do not switch

lines end to end. All ports are identified as indicated in

figures 1 and 2.

3. Affix the Alcohol Warning Decal to the trailer bulkhead.

Before applying the decal remove all oil and road

contaminants from the mounting location with a good

cleaning solvent.

OPERATIONAL TEST

Build the air system to governor cutout. Shut off the engine.

Using a soap solution, check all lines and fittings leading

to and from the Trailer System-Guard

and integrity. Repair any excessive leaks - exceeding a 1"

bubble in 5 seconds - before restoring vehicle to service.

"12 IN

SUP"

™

Air

"22 OUT

SUP"

Supply

Spring

Brake

Valve

™

valve.

™

AIR DRYER PLACEMENT

™

air dryer for leakage

"11 IN

CONT"

"21 OUT

CONT"

Spring

Brake

R-12

™

Relay

Valve

Reservoir