3-41
ENG
PISTON, CONNECTING ROD, CRANKSHAFT AND
CRANKCASE
SCF3730
SH
1
2
3
3. Remove:
9
Connecting rod cap
9
Connecting rod
Crack/damage/wear
→
Replace the
crankshaft.
4. Measure:
9
Widest portion of the pressed Plasti-
gauge
Out of specification
→
Replace crank-
shaft or connecting rod, and then mea-
sure the clearance again.
PISTON AND PISTON RING INSTALLATION
1. Install:
9
Top ring
1
9
Second ring
2
9
Oil ring
3
TIP
9
Be sure to install the top ring and second
ring so that the “SH” mark
a
faces toward
the piston head.
9
Make sure that the piston rings move
smoothly.
9
Color code of piston rings:
Top ring: blue paint (in case of a new part)
Second ring: red paint (in case of a new
part)
2. Apply 4-stroke engine oil to the inside of
the connecting rod small end.
Connecting rod big end oil clear-
ance:
0.008 – 0.038 mm
(0.0003 – 0.0015 in)
Wear limit:
0.1 mm (0.004 in)
7DK40-03_b 6/12/09 5:50 PM Page 51
Summary of Contents for EF2000iS - Inverter Generator
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Page 13: ...7DK40 00 6 15 09 2 54 PM Page 11 ...
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