Yamaha EF2800i - Inverter Generator, Руководство по обслуживанию

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5-4
SPEC
MAINTENANCE SPECIFICATIONS
Crankshaft: mm (in)
Big end side clearance “A” 0.20 ~ 0.60 (0.008 ~ 0.024)
<Limit> 0.75 (0.029)
Runout “B”
<Limit> 0.04 (0.0016)
Crank pin diameter “C” 28.0 (1.102)
<Limit> 27.9 (1.098)
Connecting rod: mm (in)
Small end diameter “A” 16.006 ~ 16.020 (0.6301 ~ 0.6307)
Oil clearance 0.006 ~ 0.025 (0.0002 ~ 0.0010)
Big end diameter “B” 28.000 ~ 28.015 (1.1023 ~ 1.1029)
Oil clearance 0.015 ~ 0.040 (0.0006 ~ 0.0016)
<Limit> 0.1 (0.004)
Camshaft: mm (in)
Camshaft outside diameter
Cam dimension
IN EX
“A” 26.9 ± 0.05
(1.06 ± 0.002) 26.68 ± 0.05
(1.05 ± 0.002)
“B” 22.0 ±0.05
(0.87 ± 0.002) 22.03 ± 0.05
(0.87 ± 0.002)
Camshaft journal 14.965 ~ 14.990 (0.5892 ~ 0.5902)
<Limit> 14.950 (0.59)
Valve: mm (in)
Valve
Face diameter “A” IN 24.0 (0.94)
EX 22.0 (0.87)
Stem diameter “B” IN 5.5 (0.22)
EX 5.5 (0.22)
Stem lengtlh “C” IN 65.9 (2.59)
EX 66.2 (2.61)
Valve face contanct
width “D”
IN
0.7 (0.03)
EX 0.7 (0.03)
<Limit> 1.7 (0.067)
Valve stem runout limit 0.01 (0.0004)
“
θ
” 90°
Valve guide
Guide inside diameter IN 5.5 (0.22)
EX 5.5 (0.22)
<Limit> IN 5.4 (0.21)
EX 5.4 (0.21)
Stem to guide clearance IN 0.04 ~ 0.06 (0.0016 ~ 0.0020)
EX 0.06 ~ 0.08 (0.002 ~ 0.003)
Valve clearance IN 0.1 (0.004)
EX 0.1 (0.004)
Unit EF2800i