ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
(c)
Measure side clearance between rings and piston grooves (Figure 5-24):
1 Barrel face ring - 0.0026 - 0.0059 in. (0.065 - 0.15 mm).
2 Tapered face ring - 0.0012 - 0.0059 in. (0.03 - 0.15 mm).
3 Oil ring - 0.0008 - 0.0059 in. (0.02 - 0.15 mm).
(d)
Measure end gap of rings (use lower part of cylinder where wear is less)
1 Barrel face ring 0.0078 0.0394 in. (0.20 -1.0 mm).
2 Tapered face ring - 0.0118 - 0.0394 in. (0.30 - 1.0 mm).
3 Oil ring 0.0059 0.0394 in. (0.15 1.0 mm).
