Westerbeke 6.5KW - Page 31

Piston ring groove width
Top
Second
Oil scraper
Piston ring thickness
Top
Second
Oil scraper
Clearance between piston ring
and ring groove
Top
Second
Oil scraper
Wear limit
. Piston ring end gap
Top
Second
Oil scraper
Wear limit
Oversized piston rings available
6.5 & 8KW
11KW
Piston pin diameter
Interference fit in a piston pin
boss
Pressure to install piston
pin in piston pin boss
Flywheel run-out
25
1.22 - 1.24 mm
(0.048 - 0.050 in)
1.52 - 1.54 mm
(0.0598 - 0.0606 in)
4.02 - 4.04 mm
(0.1583 - 0.1591 in)
1.17 - 1.19 mm
(0.0461 - 0.0469 in)
1.47 - 1.49 mm
(0.0579 - 0.0587 in)
none given
0.03 - 0.07 mm
(0.0012 - 0.0028 in)
0.03 - 0.07 mm
(0.0012 - 0.0028 in)
none given
0.15 mm (0.0059 in)
0.2 - 0.4 mm
(0.008 - 0.016 in)
0.2 - 0.04 mm
(0.008 - 0.016 in)
0.3 -0.9 mm
(0.012 - 0.035 in)
1.0 mm (0.039 in)
0.25 mm (0.010 in)
0.50 mm (0.020 in)
0.75 mm (0.030 in)
1.00 mm (0.040 in)
0.25 mm (0.010 in)
0.50 mm (0.020 in)
19.976 - 19.988 mm
(0.7865 - 0.7869 in)
o - 0.024 mm
(0 - 0.0009 in)
500 - 1,500 kg
(1,102 - 3,307 1b)
0.20 mm (0.008 in)