1 ENGINE
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00000F10310
82410·
82710·
82910 WSM, 12271
Clearance between Piston Ring and Piston Ring Groove
1.
Clean the rings and the ring grooves, and install each ring
in
its
groove.
2.
Measure the clearance between the ring and the groove with a
feeler gauge.
3.
If the clearance exceeds the allowable limit, replace the piston
ring.
4.
If
the clearance still exceeds the allowable limit with new ring,
replace the piston.
Factory 0.085 to 0.112 mm
spec.
0.00335 to 0.00441 in.
Clearance
Second ring
Allowable
0.20
mm
between
limit
0.0079 in.
piston ring and
Factory
0.020 to 0.055 mm
piston ring
groove
spec. 0.00079 to 0.00217 in.
Oil ring
Allowable 0.15
mm
limit 0.0059 in.
00000810251
Connecting Rod Alignment
1.
Remove the crankpin bearing, and install the connecting
rod
cap.
2. Install the piston pin
in
the connecting
rod.
3.
Install the connecting
rod
on the connecting
rod
alignment tool
(Code No. 07909-31661).
4.
Put a gauge over the piston pin, and move
it
against the face
plate.
5.
If the gauge does not fit squarely against the face plate, measure
the space between the pin of the gauge and the face plate.
6.
If the measurement exceeds the allowable limit, replace the
connecting
rod.
Space between gauge
pin and face plate
1-842
Allowable limit
0.05 mm
0.0020 in.
00000810260
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