19971130035869A

Acft landing gear would not extend, and acft landed short of the rwy. Lubbock, TX. (.4)during the initial takeoff departure climb, the gear would not retract and the pilot returned to the airport where a mechanic examined the gear, serviced the struts, and performed a retraction test (gear were extended and retracted 3 consecutive times). Subsequently, the flight departed on the cross country flight with a planned refueling stop. During the approach, the gear would not extend. The pilot maneuvered in the area and performed the emergency gear extension procedures; however, the gear would not go beyond 1/2 extension. During the final approach to the runway, the pilot shut down the engine and the airplane landed short of the runway. The FAA inspector and a mechanic found that the 'slide tubes on the main gear had accumulated a lot of dirt causing some binding on their normal operation. This binding consistently caused the gear electric motor circuit breaker to pop.' The gear could be extended manually by the FAA inspector and the mechanic. Flight time since the last annual inspection was 57 hours. (-23) pilot became aware that his gear would not extend. He talked to maintenance and previous camache owner for over one hour. Landed gear up, short of runway 35L in Lubbock. No injuries.