Farmall 90 - Page 9

SECTION 10 -- ENGINE -- CHAPTER 1
9
P
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mm (in)
P
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Farmall 90 -- Farmall 95
P
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:
P
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on r
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ng groove c
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earance
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measure
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ver
t
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ca
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y
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:
-- 1 ° ring.................................................
0.100 to 0.175 (0.0039 to 0.0068)
-- 2 ° ring.................................................
0.060 to 0.110 (0.0023 to 0.0043)
-- 3 ° ring................................................. 0.040 to 0.073 (0.0015 to 0.0028)
Assembly clearance between piston ring ends in cylinder
sleeves:
-- 1 ° ring.................................................
0.30 to 0.40 (0.0118 to 0.0157)
-- 2 ° ring.................................................
0.60 to 0.80 (0.0236 to 0.0314)
-- 3 ° ring................................................. 0.30 to 0.55 (0.0118 to 0.0216)
Sparepistonringoversizing ............................... 0.500 (0.0196)
VALVE TIMING GEAR DATA mm (in)
I
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d
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:
I
ns
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e
d
i
ame
t
er o
f
cams
h
a
f
t
b
ear
i
ngs
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f
i
t
t
e
d
an
d
reame
d
)
:
--front .................................................. 54.083 to 54.147 (2.1292 to 2.1317)
--intermediate............................................ 54.083 to 54.147 (2.1292 to 2.1317)
--rear ................................................... 54.083 to 54.147 (2.1292 to 2.1317)
Diameter of camshaft journals:
--front .................................................. 53.995 to 54.045 (2.1257 to 2.1277)
--intermediate............................................ 53.995 to 54.045 (2.1257 to 2.1277)
--rear ................................................... 53.995 to 54.045 (2.1257 to 2.1277)
Clearancebetweencamshaftjournalsandbushings ........... 0.038 to 0.152 (0.0014 to 0.0059)
Camshaftendfloat ....................................... 0.230 ± 0.130 (0.0090 ± 0.0051)
Crankshafttocamshaftteethclearance...................... 0.076 to 0.280 (0.0029 to 0.0110)
TAPPET DATA mm (in)
Tappet bore in crankcase .................................. 16.000 to 16.030 (0.6299 to 0.6311)
Outside diameter of standard tappet ......................... 15.929 to 15.959 (0.6271 to 0.6283)
Tappet running clearance .................................. 0.041 to 0.101 (0.0016 to 0.0039)
ROCKER ARM -- VALVE DATA mm (in)
Rocker--armshaftdiameter ................................ 18.963 to 18.975 (0.7465 to 0.7470)
Rocker--armshaftseatdiameter ........................... 19.000 to 19.026 (0.7480 to 0.7490)
Rockerarmboretoshaftclearance ......................... 0.025 to 0.063 (0.0009 to 0.0024)