New Holland WorkMaster 50 Service Manual page 419

Hydraulic systems - Main lift system
2
GNIL14TR04653FB
C. Reaction spring setting
With reference to figure 3.
For a correct functioning of the rockshaft the top link
bracket, when it is not working, must not have an axial
play in the positive (+) and negative (-).
After having carried out a correct assembly, the spring
holder (2) must rest against the rockshaft housing (1),
while the spring holder cover (4) must rest against the
flange (3).
In this condition the spring (M) is set to a preload of 0.30
- 0.60 mm (0.01 - 0.02 in).
Before assembling the complete reaction assembly to
the rockshaft housing a pre-assembly of the spring (M)
is needed in order to obtain a measurement of about
8.40 mm (0.33 in).
After carrying out the reaction assembly a definitive ad-
justment is made:
Keep the screw (V) fixed with an 8.00 mm (0.31 in)
wrench and adjust the self-locking nut (D) by tightening
or loosening it gradually in order to eliminate the axial
play completely.
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