Page 1
TRAILER SUSPENSIONS RELEASE XL-AR452 Rev. C AIR RELEASE PIN PULL MECHANISM Air Release Pin Pull Mechanism for CB4000 Air Ride & UltraLite2 Mechanical Suspensions Installation & Operation Procedures Includes Parts Information...
Page 2
For added driver safety, the Air Release only works when the parking brake is set and is connected to the air supply with a valve to prevent draining. Air Release is available on all models of Holland slides - new and retrofit. Optional manual back up also is available. WARRANTY Refer to the complete warranty for the country in which the product will be used.A copy of the written warranty is included...
Page 3
CB400/4000 suspension. XL-AR452 Rev. C If the trailer was equipped from the factory with an Air Release, refer to appropriate configuration and location.
Page 4
1/2˝, mounting bracket nuts to 50 - 60 ft. lbs. Install the Air Release Control Valve. Refer to the Air Release Plumbing Diagram for proper plumbing ( 0.19˝ HOLE MUST BE FREE OF WELD SPATTER FIGURE 7 XL-AR452 Rev. C...
Push, Pull, 3/2 with Air Pilot Reset Spring Brake Service Chamber 9 Connector, Male, Push Connect Literature Decal Retrofit Air Release Installation Drawing SL0A1457 Air Release Plumbing Diagram XL-AR452 Rev. C AIR TANK RESERVOIR TO CAM ON TORSION CAM TUBE HOLLAND PART NO.
PINS “IN” ENGAGED POSITION PINS “OUT” DISENGAGED POSITION If lock pins release, proceed to Step 6. NOTE: If lock pins do not release, proceed to Step 5 procedure. MANUAL STOP BAR REMOVED MANUAL STOP BAR DESIRED SLIDER/SUSPENSION LOCATION XL-AR452 Rev. C...
Page 7
Remember, always check that the lock pins are through the holes in the upper rail. LOCK PINS ENGAGED IN SLIDER RAIL FRONT OF TRAILER XL-AR452 Rev. C continued LOCK PINS ENGAGED IN SLIDER RAIL REPOSITIONED MANUAL STOP BAR...
Need help?
Do you have a question about the XL-AR452 and is the answer not in the manual?
Questions and answers