104
4.2.4. Measurement of the piston diameter
4.2.4.1. Make the measurement at the
position 11mm below the piston
skirt and along the vertical
direction of the piston pin.
[Benchmark]
72
–0.013
–0.025
mm/2.8346
-0.0005
-0.001
4.2.5. Check the clearance between the
piston ring and the ring groove
4.2.5.1.
Use a feeler to measure the rings
4.2.6. Check the clearance of piston
ring ends
4.2.6.1. Put the piston ring i
n the position
which is 45 mm under the cylinder
hole top surface, in order to make
the piston ring keep flattened, you
can press the piston ring with
piston top surface, then use a
piston gauge to measure the open
clearance.
Benchmark(mm/inch) Limit
(mm/inch)
Primary
ring
0.03~0.06/
0.0012~0.0023
0.12/0.0047
Secondary
ring
0.03~0.06/
0.0012~0.0023
0.11/0.0043
Benchmark(mm/inch) Limit (mm/inch)
Primary
ring
0.25~0.40/
0.0098~0.0157
0.65/0.0256
Secondary
ring
0.35~0.50 /
0.0138~0.0197
0.65 /0.0256
Oil
ring
0.20~0.70 /
0.0079~0.0275
1.00/0.0394
Summary of Contents for TROOPER-T2
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