Minor Rebuild for All 37U, 37H and 37F Series Wheels - JOST ...

RE-ASSEMBLY con’t8. CHECK ADJUSTMENT - Lock and unlock several times using a lock tester.A. THE LOCK IS PROPERLY ADJUSTED IF:The wheel locks and unlocks easily eachtime and the lock tester rotates freely.B. THE LOCK IS TOO LOOSE IF: You feel foreaftplay when pulling and pushing on thelock tester handle (see figure 4)C. THE LOCK IS TOO TIGHT IF: The lock testerdoes not rotate freely when attempting torotate it in the lock. (See figure 5)Look for movementof kingpin in lockDisengage HookRotate LockTesterPull & PushHandleFIGURE 4FIGURE 59. CORRECT IMPROPER ADJUSTMENTA. IF IT IS TOO TIGHT: loosen the jam nut, turn theadjustment screw clockwise one full turn and resetthe jam nut. Then, lock and unlock several times,repeat if necessary.TURN ADJUSTMENT SCREWCLOCKWISE COUNTER CLOCKWISEB. IF IT IS TOO LOOSE: loosen the jam nut, turn theadjustment screw counterclockwise one full turnand reset the jam nut. Then, lock and unlockseveral times, repeat if necessary.IF TOO TIGHTIF TOO LOOSEThe right to alter specifications is reserved.1770 Hayes StreetGrand Haven, MI 49417www.jostinternational.comPh. (616) 846-7700 (800) 253-5105Fax (616) 846-0310Page 6 of 6LT JSK37-05 Rev.E