TM 9-2320-365-34-1 1. START Is steering knuckle free from damage? YES YES 2. Damaged steering knuckle will cause hard steering. Is front axle shafts universal joints free from damage? Damaged front axle shaft universal joint will cause hard steering. NO NO Tires OK. Steering oil level OK. Power steering pump hoses and fittings OK. Air compressor OK. Power steering pump OK. Steering gear assembly OK. Steering shaft and tie rods OK. Pitman arm and drag link OK. Faulty steering knuckle. Faulty front axle shafts universal joints. Steering gear assembly out of adjustment. Tires OK. Steering oil level OK. Power steering pump hoses and fittings OK. Air compressor OK. Power steering pump OK. Steering gear assembly OK. Steering shaft and tie rods OK. Pitman arm and drag link OK. Steering knuckle OK. Faulty front axle shafts universal joints. Steering gear assembly out of adjustment. f1.  HARD TO STEER KNOWN INFO POSSIBLE PROBLEMS WARNING Read WARNING on following page. TEST OPTIONS Visual inspection REASON FOR QUESTION Replace steering knuckle (para 9-6). KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS Visual inspection REASON FOR QUESTION Replace front axle shaft (para 9-3). INITIAL SETUP   Equipment Conditions     Engine shut down (TM 9-2320-365-10).   Personnel Required     (2) Tools and Special Tools   Tool Kit, Genl Mech (Item 68, Appendix B)   Jack, Dolly-Type, Hydraulic (Item 31, Appendix B)   Trestle, Motor Vehicle Maintenance (Item 71, Appendix B)   Goggles, Industrial (Item 25, Appendix B) 2-970