Technical data
1,
,:
1
ENGINE MAIN~ b/iiCHANICAL
U~NIT
~
~
FITl$NT
PLAYS AND INTERFERENCE FITS
~
l
Inspection data
1’
Unit: mm (in)
,,
Engine
1800
VM 82A
New
Cylind’er
liner/piston clearance
0.625 to 0.045
[(0.984
to
1.772).10”]
l
Wear limit 0.5
(19.68.1
03)
‘i
1~
1 st compression ring
0.080
to 0.130
[(3.149
to
5.118):10-3]
~
Ringlg’roove.
end ‘float 2nd compression ring
0.070 to 0.102
[(2.756
to
4.016,.10-3]
Oil scraper ring 0.030 to 0.062
[(1.181
to
2A41j.10-3]
Pinlpiston bore clearance
6,006
+
0,017
~
New
0.034 to 0.055
[(1.338
to
2.16E~>:lO-~]
Pin/small-end bush bore clearance
‘,
Wear limit 0.100
(3.937.10-3)
,~
8:
Main journal/bearing running
Rear main journal
0,050
+
0,080
clearance
(,new)
Front main journal
0,050
+
0,115
~
l
Intermediate main journal
Big-yd
baaringlcrankpin running clearance (newj
Main journal and’crankpin/bearing running clearance
(at
wear
limi,t)’
Crankjhaft
end float
81,
Big-end
end
float
0,030
+
0,088
g,O22
+,0,076
0.200
(7.874.10”)
‘0.1,21
to
0.323i[(4.764
to
12.716j~lO”]
~
0120 to 0.40 p(7.874 to lE~748,~10-~]
Camsh’aft j,ournal/bearing
runnin’g clearance
,New
Wear limit
‘0.640 toO.l10
[il.575
to
4.331,.10-31
0.200
f7.874.103)
Rocker bush/shaft
runnin~g
clearance
,,
~
New
Wear limit
0.020 to 0.062
[(0.787
to
2.441,.10-3]
0.200
(7.874.10-3j
,’
Tappet/housing’
running clearance
,m,
New
Wear limit
0.025 to 0.070
[CO.984
to
2.756j.10-3]
O.ldO
(3.937.10-3)
I
I
ntake
Valve stem/guide running clearance
0.640 to 0.075
[(1.575
to 2.953 .10-31
Exhaust
0.060 to 0.095
[(2.362
to
3.740).10-3]
Intake
0.085 to 0.124
[(3.346
to
4.882L103]
Valve
seat/housing
interference fit
Exhaust
0.062 to 0.102
[(2.441
to
4.016).10-3]
Valve guidelhousing interference fit
0.020 to 0.047
[(0.787
to 1
.850~>.10-3]
Rotoristand-outs in
oil
pump
0.930 to 0.073
[(1.181
to
2.874).10-3]
Oil pump
innerlouter
rotor max, clearance
I
0:OiO to 0.20
[(2.756
to
7.874)*10-3]
Outer ‘rotorlhousing
clearance in
oil
pump
Gear end!float in pump body
New
Wear limit
0.130t00.185[(5.118t07.283)~10-3]
O.S?
(19.68.10-3)’
6.05 to
0.07i[(1.968
to
2.756).10-3]
May
19!8
‘,
~
61144
~;
~
PA333500883300
8’
A
~
‘,