Hoistman reported that limit switch caused hoist to go down. Electricians were called to inspect hoist. They found the hoist was out of time due to declutching. Hoist was put back in time and returned to service. MSHA was called at 7:30 am reporting hoist out of service. MSHA was called at 12:30 pm that hoist had been returned to service at 11:00 am.