Perkins 4.108 Workshop Manual page 13

Cylinder Liner 4.108
Type
Interference Fit of Liners
Inside Dia. of Liner after Finish Boring and Honing
Height of Liner in relation to Cylinder Block Top Face
Overall Length of Liner
Cylinder Liner 4.107 and 4.99
Type
Inside Dia. of Liner Pre-Finished 4.99
Inside Dia. of Liner Pre-Finished 4.107
Thickness of Top Flange. 4.99
Depth of Recess in Block for Liner Flange. 4.99
Thickness of Top Flange.. 4,107
Depth of Recess in Block for Liner Flange 4,107
Height of Liner in relation to
Cylinder Block Top Face 4,107 and 4.99
Liner Flange Outside Dia. 4.99
Cylinder Block Top Bore for Liner Flange 4.99
Clearance Fit of Liner Flange
to Block Bore 4.107 and 4.99
Pistons 4.108
Type
Piston Height in relation to Cylinder B!ock Top Face.
Bore Dia. for Gudgeon Pin
Compression Ring Groove Width-Top
Compression Ring Groove Width-2nd
Compression Ring Groove Width-3rd
Oil Control Ring Groove Width-4th
Oil Control Ring Groove Width-5th
i
With engines rated at 3.000 rev/min or below, the fourth
Note: There is a Steel Insert fitted above the Top Groove.
I Pistons 4.108 (Controlled Expansion)
I
IType ...
I Piston Height above Top Face of Cylinder Block
I
Bore Dia. for Gudgeon Pin
I
Compression Ring Groove Width, Top
1
Compression Ring Groove Width, Second and Third .. .
I
Oil Control Ring Groove Width ... ... .. .
: Pistons 4.108 (Controlled Expansion)
: Type ...
I
Piston Height above Top Face of Cylinder Block
: Bore Dia. for Gudgeon Pin
I
CompreSSion Ring Groove Width, Top
: Compression Ring Groove Width, Second
I
Oil Control Ring Groove Width
Pistons 4.107 and 4.99
Type
Piston Height in relation to Cylinder Block Top Face ..
Bore Dia. for Gudgeon Pin
later 4.99 and all 4.107 engines ...
Early 4.99 engines
Compression Ring Groove Width-Top
Compression Ring Grooves Width 2nd and 3rd
Oil Control Ring Grooves 4th and 5th
TECHNICAL DATA-B.3
Cast Iron - Dry - Interference Fit
0,003/0.005 in (0,076/0.127 mm)
3.12513.126 in (79,375179,40 mm)
0.023/0.027 in (0,584/0,686 mm) above
6.495/6.505 in (164,973/165,227 mm)
Cast Iron - Wet Push Fit
3,00/3.001 in (7620176.225 mm)
3.125/3,126 in (79,374179.4 mm)
0.312510.3145 in (7,93717,988 mm)
0.3115/0.3135 in (7,91217,963 mm)
0.25010,252 in (6.35/6,4 mm)
0.249/0,251 in (6.325/6,375 mm)
0.003 in (0,076 mm) Above. 0.001 in (0.025 mm) Below
3.61813.621 in (91.898/91,973 mm)
3.625/3,627 in (92,075/92,125 mm)
0,00410.009 in (0,102/0.229 mm)
Flat Topped
0.00210.006 in (0,051/0.152 mm) Above
1.06255/1.06275 in (26,989/26.994 mm)
0.080510.0815 in (2,045/2,070 mm)
0.0645/0.0655 in (1,638/1,664 mm)
0.0645/0.0655 in (1,638/1,664 mm)
0.126/0.127 in (3.200/3,225 mm)
0.19010.191 in (4,826/4.851 mm)
ring groove is the same as the fifth ring groove.
Flat Topped - Four Ring
0.002/0.006 in (0,05/0,15 mm)
1.062711.0629 in (26,992/26,999 mm)
0.080110.0821 in (2,035/2,086 mm)
0.06410.065 in (1,64/1,65 mm)
0.1887/0.1895 in (4,7914,81 mm)
Flat Topped - Three Ring
0.002/0.006 in (0,05/0,15 mm)
1.062711.0629 in (26,992/26,999 mm)
0.080/0.082 in (2,035/2,086 mm)
0.09910.1005 in (2,53/2,55 mm)
0.1890/0.1900 in (4,8014,826 mm)
Flat Topped
0.0085/0.012 in (0,2210,30 mm) Above
0.93755/0.93775 in (23,81/23,82 mm)
0.87505/0.87525 in (22,22122,23 mm)
0.0801/0.0811 in (2,034/2,06 mm)
0.0645/0.0655 in (1,638/1,664 mm)
0.190/0.191 in (4,826/4,851 mm)