Cause / 707

1. Latch engaging. 2. Worn or broken latch part. 3. Leak in airline to latch. 4. Insufficient air pressure. 5. Sticking air latch cylinder. 6. Air switch not releasing. 7. Plugged cylinder orifice. 8. Vehicle off center loaded. 9. O-ring in guide barrel binding. 10.Jacks not plumb, binding with guide barrels.

Repair / 707

1. Adjust or replace latches. 2. Repair or replace parts. 3. Repair air lines. 4. Adjust air pressure to proper specifications. 5. Replace air cylinder. (Check for moisture in lines.) 6. Replace air switch. 7. Remove cylinder bleeder screw and clear orifice. 8. Make sure spotting dish is located properly and is being used. 9. Pull guide barrel and replace or realign o-ring.