New Holland CX720 Repair Manual page 1680

Valve drive Rocker assembly - Install (B.10.A.40.43 - F.10.A.15)
CX860, CX880
NOTE: Before refitting the rocker arm shaft assembly, make sure that all the adjustment screws have been fully un-
screwed.
1. With tool 296170 (3) constrain the sliding blocks (4)
to the rocker arms (3).
Apply tool (1) to the rocker arm shaft (5):
296191, for the F2B engine,
296190, for the F3A engine,
and position it on the cylinder head.
2. Tighten the screws (2) fixing the rocker arm shaft in
two phases:
1st phase: tightening with torque wrench (1) to a
torque of:
- 40 N·m (4 kgm [29 ft. lbs.]), for the F2B engine;
- 100 N·m (10 kgm [73 ft. lbs.]), for the F3A engine.
2nd phase: closing, with tool tool 292248 (3), with an
angle of 60 °.
NOTE: The screws, 2, of the F2B engine are treated with
MOLYCOTE lubricant and require no lubrication whatso-
ever. They can be reused for up to five disassemblies; re-
place them if in doubt. The screws, 2, of the F3A engine
must, before assembly, be lubricated with engine oil.
3. For the F3A engine only
Constrain the levers (1) to the spacer (3) with the
springs (2).
POWER PRODUCTION - ENGINE
2 4/7/2006
B.10.A / 134
1
MID0354A
2
MID0355A
3
MID0356A