2-19
COMPRESSION PRESSURE/RATED ENGINE SPEED
INSP
ADJ
1
Testing steps (below minimum level):
9
Squirt a few drops of oil into the cylin-
der.
9
Measure the compression again.
Testing steps (above maximum level):
9
Check the cylinder head, valve sur-
faces, and piston crown for carbon
deposits.
6. Install:
9
Spark plug
9
Spark plug cap
9
Rear cover 1
Refer to “COVERS AND FUEL TANK”.
RATED ENGINE SPEED
1. Remove:
9
Rear cover 1
Refer to “COVERS AND FUEL TANK”.
2. Connect:
9
Digital tachometer
1
Reading
Diagnosis
If higher than
without oil
If the same as
without oil
9
Worn cylinder, piston, and
piston ring
9
Defective piston, ring(s),
valve(s), and cylinder head
gasket
9
Improper valve timing and
valve clearance
Spark plug:
20 Nm (2.0 m · kgf, 14.8 ft · lbf)
Digital tachometer:
YU-39951-B, 90890-06760
7DK40-02 6/15/09 2:58 PM Page 39
Содержание EF2000iS - Inverter Generator
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