TOW HELICOPTER (NORMAL METHOD) (Continued)

TM 55-1520-240-23-1 1-19 TOW HELICOPTER (NORMAL METHOD) (Continued) 1-19 Wait at least 20 minutes after shutting down or removing electrical power before moving helicopter. Otherwise, vertical gyros can be damaged. Towing with swivel locks engaged will damage landing gear. It is not recommended to tow aircraft from the aft left wheel because damage to the aft right landing gear may occur. If you have to tow from the left wheel have a steering bar attached with personnel steering the aft right wheel. Tow helicopter slowly. 1. Check that swivel lock (1) on each aft landing gear is raised clear of detents (2). SWIVEL WHEEL NOTE Perform steps 2 thru 7 only if towing aft. 2. Remove chocks (3), if installed, from aft left wheel. 3. Remove pin (4) securing spreader (5) to tow bar (6). 4. Fit tow bar pins (7) into ends of axle (8) of aft left wheel. 5. Secure tow bar (6) to axle (8) by installing pin (4) through one of the holes in spreader (5). 1-61