TIRES MAINTENANCE - CONTINUED
Remove valve cap (4) and exhaust air from tire (6).
Use pneumatic tire valve repair tool to remove valve core (5).
Use hammer and pry bars to remove lock ring (1).
Use tire iron to break seal between bead of tire (6) and rim of wheel (7) around entire circumference of tire. Insert pieces
of spare metal stock to prevent tire from reseating itself on rim of wheel.
Use pry bars to remove flange (2).
Remove and discard preformed packing (3).
Use extreme caution when handling heavy parts. Provide adequate support and use assistance during proce-
dure. Ensure that any lifting device used is in good condition and of suitable load capacity. Keep clear of
heavy parts supported only by lifting device. Failure to follow this warning may cause injury or death to per-
Wheels weigh 485 lb (220 kg).
Attach sling to tire (6), lift up, turn over, and lower to
work area with inside of wheel (7) facing upward.