New Holland CX720 Repair Manual page 1759

7. Checking connecting rod pin assembly clearance
Carry out the following operations to measure the
clearance. Connect the connecting rods to the rel-
evant pins of the crankshaft, place a length of cal-
ibrated wire on the pins of the crankshaft. Mount
the connecting rod caps (1) with the half bearings.
Tighten the screws (2) fixing the connecting rod caps
to the following torques:
NOTE: The screws, 2, of the F2B engine are treated with
MOLYCOTE lubricant and need no lubrication whatsoever.
They can be reused for up to five disassemblies; replace
them if in doubt. The screws, 2, of the F3A engine must,
before assembly, be lubricated with engine oil.
1st phase
2nd phase, angle
8. The closed angle is performed with the tool 292248
(3).
Remove the caps and determine the existing clear-
ance, comparing the width of the calibrated wire with
the graduated scale on the bag containing the wire.
NOTE: Lubricate the relevant parts prior to final assembly.
Before reusing the screws fixing the connecting rod caps,
measure to check the diameter of the thread is no less than:
- 11.4 mm (0.449") — F2B engine; - 13.4 mm (0.528") —
F3A engine. For lower values, replace the screw.
POWER PRODUCTION - ENGINE
F2B
50 Nm (5 kgm [37 ft. lbs.])
40 °
8
MID0445A
60 Nm (6 kgm [44 ft. lbs.])
60 °
2 4/7/2006
B.10.A / 213
F3A