New Holland CX720 Repair Manual page 1788

Cylinder head - Install (B.10.A.72 - F.10.A.15)
CX860, CX880
1. Check that the pistons 1-6 are exactly at the T.D.C.
Put the gasket (2), on the crankcase.
Fit the cylinder head (1) and tighten the fixing screws
according to the tightening sequence given in the di-
agram of Fig. 1 and in four successive stages as
shown in the Figs.
NOTE: The cylinder head fixing screws of the F2B engine
are treated with MOLYCOTE lubricant and need no lubri-
cation whatsoever. They can be reused for up to five dis-
assemblies; replace them if in doubt. The cylinder head
fixing screws of the F3A engine must, before assembly, be
lubricated with engine oil.
2. Tightening sequence of the cylinder head fixing
screws.
3. Pre-tightening with torque wrench (1).
1st phase 50 Nm (5 kgm [37 ft. lbs.])
2nd phase, angle
100 Nm (10 kgm [73 ft. lbs.])
4. Angle closing with tool 292248 (1).
POWER PRODUCTION - ENGINE
3
MID0337A
F2B
2 4/7/2006
B.10.A / 242
F3A
60 Nm (6 kgm [44 ft. lbs.])
120 Nm (12 kgm [88 ft. lbs.])
1
MID0335A
2
MID0336A