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Section 03
ENGINE
Subsection 09
(CRANKSHAFT/BALANCER SHAFT)
VMR2004_013_03-09A.FM
03-09-3
Using a micrometer, measure piston at 16 mm
(5/8 in) perpendicularly (90°) to piston pin axis.
TYPICAL
1. Measuring perpendicularly (90°) to piston pin axis
A. 16 mm (5/8 in)
The measured dimension should be as described
in the previous table. If not, replace piston.
Piston/Cylinder Clearance
NOTE:
Make sure used piston is not worn. See
PISTON MEASUREMENT table above.
Adjust and lock a micrometer to the piston dimen-
sion.
1. Micrometer set to the piston dimension
With the micrometer set to the dimension, adjust
a cylinder bore gauge to the micrometer dimen-
sion and set the indicator to 0 (zero).
1. Use the micrometer to set the cylinder bore gauge
2. Dial bore gauge
TYPICAL
1. Indicator set to 0 (zero)
Position the dial bore gauge at 16 mm (5/8 in) be-
low cylinder top edge, measuring perpendicularly
(90°) to piston pin axis.
Read the measurement on the cylinder bore gauge.
The result is the exact piston/cylinder wall clear-
ance. If clearance exceeds specified tolerance, re-
place cylinder or rebore. See previous table.
NOTE:
Make sure the cylinder bore gauge indica-
tor is set exactly at the same position as with the
micrometer, otherwise the reading will be false.
PISTON MEASUREMENT
SERVICE LIMIT
99.94 mm (3.9346 in)
PISTON/CYLINDER CLEARANCE
SERVICE LIMIT
0.09 mm (.004 in)
V01C3KA
A
1
F00B08A
1
F00B09A
1
2
F00B0AA
1
Содержание DS 650
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