Tappets - Farmall 90 Manual

After regrinding, with the base 380000364 (2) and
dial gauge 380000228 (1), check that the valve re-
cessing (3) in relation to the top face of the cylinder
head comes within the tolerance prescribed on
page 9.
Valve Springs
The figure shows the main data for checking the inlet
and exhaust valve springs.
Before assembly, check the valve spring flexibility us-
ing tool 380000976. Compare the elastic deforma-
tion and load data with those of the new springs
stated in the following table.
Height
mm (in)
H (free) 63.50 (2.50)
H1 49.02 (1.93)
H2 38.20 (1.50

Tappets

The figure gives the main data, in mm, of the tappets
and their seats in the crankcase.
SECTION 10 - - ENGINE - - CHAPTER 1
Under a load of
N (lbs-f)
No load
P1 329 (73.96)
P2 641 (144.10)
MIF1053A
MIF1054A
MIF1055A
127
273
274
275