OPERATION AND MAINTENANCE MANUAL - Rotek

1-10 Fitting Clearance and The limits of Wear of Main Parts of Model 295
and 295ADiesei Engines
No. Concern part ' St'andard 'size(mm) . Fitting(mill) Lmits ctwea{rrm)
shaft C1> 95- 0 . 11
Piston skirt(l~ng shaft) ..0.13 t
I
Cylinder sleeve ~~ Oeman:eO.ll-D.165 0.5
Hole¢95H7 ( . ·0
I
...
2· The fust pistoo ring gap- Clearance 02(}--{).40 1.5
3
The 2nd .and 3rd piston
ring gaps
Oearance O.I5-{).35 1.2
4 Oil ring gap> . Oeararre O.15-{).35 1.2
5
0
Piston pin shaft cI> 35h4 ( )
-0.007
Connecting rod bushing
hole hole C1> 35-+0. 045
+0.020
Oearance O.O2-{).O52 0.15
Piston pin
Shaft~35h4~o.Ooo~ Transitioo cle&"a'l:e
6 0.012
Piston pin hole
Hole 35M6 (-o..OO5~ .IntaferenceO.016
. -0.01
7
Crankshaft connecting shaft cI> 65h6 ( 0 )
rod journal . . -0.019
Connecting rod big end
HoI e C1> 65 ( -.0. 095 )
bearing shells +0.050
QearanceO.O5-{).114 0.30
8
0
Main journal of shaft 70h6 { . }:
-0.019
crankshaft
Main bearing hole H 1 l1> 70( TO. 119 )
o e . +0.070
OemaoceO.07-D.138 0.30
9
10
11
Camshaft journal
Camshaft bushing hole
The axial clearance of
crankshaft
The axial clearance of
camshaft
~48e7( -0.000 )
-0.075
Hole 48H7 (