New Holland CX720 Repair Manual page 1773

4. Check the piston ring gap width, using a feeler
gauge, in a vertical position at the top, middle, and
bottom of the bore, Fig. 4.
Ring Gap Specifications(new rings and bore):
Top compression ring 0.29-0.53 mm (0.012-0.021
in),
2nd compression ring 0.49-0.63 mm (0.020-0.029
in),
Oil control ring. 0.29-0.58 mm (0.012-0.023 in),
5. Using a new piston ring, check with a feeler gauge,
the gap between the ring and groove.
Engines with mechanically controlled fuel injection
pump
2nd compression ring - . 0.06-0.105 mm (0.0023-
0.0041 in),
Oil control ring 0.030-0.070 mm (0.0011-0.0028 in),.
Engines with electronically controlled fuel injection
pump Oil control ring
0.051-0.101 mm (0.0020-0.0040 in),.
Install the piston rings, but note the following:
6. Always ensure
No.296028, is used to remove or install rings,
Fig.5.
POWER PRODUCTION - ENGINE
the correct expander, Tool
2 4/7/2006
B.10.A / 227
4
TA6010046
5
6010048
6
6010047