Yamaha EF4500iSE - Inverter Generator, Теория и диагностика: Руководство

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Yamaha Generator Theory & Diagnostics Guide
5-3
SPEC
MAINTENANCE SPECIFICATIONS
MAINTENANCE SPECIFICATIONS
ENGINE
Unit EF3000iSE/EF3000iSEB
Piston: mm (in)
Piston clearance 0.015 ~ 0.040 (0.00059 ~ 0.00157)
<Limit> 0.15 (0.00591)
Piston skirt “D” 65.975 ~ 65.990 (2.5974 ~ 2.5980)
<Limit> 65.9 (2.5945)
Measuring point “H” 10.0 (0.4)
Oversize 1st 66.225 ~ 66.240 (2.6072 ~ 2.6079)
2nd 66.475 ~ 66.490 (2.6171 ~ 2.6177)
Piston pin hole inside diameter 16.002 ~ 16.013 (0.6300 ~ 0.6304)
<Limit> 16.043 (0.6316)
Piston pin: mm (in)
Piston pin diameter 15.995 ~ 16.000 (0.6297 ~ 0.6299)
<Limit> 16.043 (0.6316)
Piston ring: mm (in)
Top ring
Type Barrel face
Dimensions “B
×
T” 1.5
×
2.7 (0.0591
×
0.1063)
End gap 0.20 ~ 0.40 (0.0079 ~ 0.0157)
<Limit> 0.65 (0.0256)
Side clearance 0.04 ~ 0.08 (0.0016 ~ 0.0031)
<Limit> 0.13 (0.0051)
2nd ring
Type Taper
Dimensions “B
×
T” 1.5
×
2.7 (0.0591
×
0.1063)
End gap 0.20 ~ 0.40 (0.0079 ~ 0.0157)
<Limit> 0.75 (0.0295)
Side clearance 0.02 ~ 0.06 (0.0008 ~ 0.0024)
<Limit> 0.12 (0.0047)
Oil ring
Type Solid
Dimensions “B
×
T” 2.5
×
2.8 (0.0984
×
0.1102)
End gap 0.20 ~ 0.70 (0.0079 ~ 0.0276)
<Limit> 0.9 (0.0354)
Cylinder head: mm (in)
Warpage limit 0.05 (0.0020)
Cylinder: mm (in)
Inside diameter “D” 66.005 ~ 66.015 (2.5986 ~ 2.5990)
<Limit> 66.020 (2.5992)
Taper limit 0.05 (0.0020)
T
B
B
T
B
T