ServiceManual

ToC
GENERAL
SERVICE MANUAL MARINE ENGINES
J
Wear Limits
Part resp. part union
New part tolerance
Wear Limit
Remark
Main bearing clearance radial
0,032 - 0,099
0,15
Main bearing clearance axial
0,080 . 0,263
0,30
Connect.rod bearing clear. radial
0,024 - 0,073
0,10
Connect.rod bearing clear. axial
0,064 - 0,217
0,50
Cylinder bore
85,00 - 85,01
0,20
Piston travel clearance
0,071 - 0,099
0,20
Piston diameter
84,911 - 84,929
0,10
deviation from initial
dimension
Gap 1. ring
0,25 - 0,40
1,50
Gap 2. ring
0,50 - 0,75
0,25
Gap 3. ring
0,30 - 0,60
1,00
Axial play 1. ring
0,077 - 0,127
0,25
Axial play 2. ring
0,07 - 0,102
0,25
Axial play 3. ring
0,03 - 0,065
0,15
Camshaft radial
0,034 - 0,075
0,20
Camshaft axial
0,096 - 0,230
0,50
indicates gauging depth up
Valve guide
7,000 - 7,015
0,15
to 3 mm
before end of valve guide
Oil pressure idle run
0,6 - 1,5
0,50
Oil pressure rated speed
4,0 - 7,0
3,00
Backlash of teeth oil pump
0,2 - 0,3
0,80
Axial play gear wheel
0,2
0,40
Page GENERAL-52 Z001019/0_8_Octobre 2011