Westerbeke 6.5KW - Page 48

3. Measure the side clearance be-
tween the piston ring and ring
groove •
. NOTE: Measure the clearance
around the total circumference
of the ring groove.
Side clearance limit:
0.15 mm (0.006 in)
Side clearance limit: 0.15 mm (0.006 in)
Checking Connecting Rod
1. Check the side of the connecting
rod small end and large end for
cracks or damage. If necessary,
replace the connecting rod.
2. Check the connecting rod for
bends or twists with a suitable
alignment fixture. If realign-
ment is necessary, correct by
using a press and applying a
gradual pressure to the rod or
replace the connecting rod.
Permissible deflection: 0.04 mm per 100 mm
(0.002 in per 4 in)
3. Check the connecting rod side
play with a dial indicator or a
feeler gauge as shown in the
figure. If it exceeds the
limit, replace the connecting
rod or crankshaft.
End play limit: 0.3 mm
(0.012 in)
42
twist t:h"a/e
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