AGCO Massey Ferguson 1547, Руководство по обслуживанию

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4283094M2 02-19
Service Standards 47 HP
SERVICE STANDARDS 47 HP
SERVICE STANDARDS CHART 47 HP
Part names and
inspection items
Nominal
dimension
Values
requiring
service
Standard
values for
assembly
Usable limits Service instructions and
remarks
Cylinder
compression bar
(psi) 34 bar
(483 psi)
30 bar
(427 psi)
Measure at 300 rpm with
coolant at 75 degrees C
(167 degrees F)
Fuel consumption
ratio 100% 60% or
less
Overhaul engine. 100% is
values of a new engine.
Lubricant
consumption ration 100% 50% or
less
Cylinder Body
Cylinder Block
Cylinder bore wear 87 mm (3.4
in)
0.2 mm
(0.008 in)
or more
0.01 mm
(0.0004 in)
When it is not bored, steps
on upper part or wall must
be eliminated.
Boring mm (in) 87 (3.4) 0.50 (0.20)
Maximum cylinder
bore mm (in) 87 (3.4) 88.0 (3.46)
Difference in cylinder
bore mm (in) 0.02 (0.008) or
less
Distortion on upper
surface mm (in) 0.15
(0.006)
0.08 (0.0031)
or less
Ground-down limit: 0.4
Water-light test (3
minutes) 5.0 bar
(71 psi)
When water leakage is
found, correct or replace
cylinder block with anew
one.
Cylinder Head
Subsidence (depth)
of valve seats 3.3 mm
(0.13 in)
3.8 mm
(0.15 in) or
more
Contact width of
valve seat mm (in) 2.0 (0.008)
or more
1.3 to 1.6
(0.051 to 0.63)
Correct valve seats with a
valve seat cutter.