3-38
ENG
PISTON, CONNECTING ROD, CRANKSHAFT AND
CRANKCASE
CRANKCASE (CYLINDER) INSPECTION
1. Measure:
•
Cylinder inside diameter
NOTE:
Take side to side
a
and front to back
b
mea-
surements at each of the three locations A, B,
and C (total of six measurements), and then
find the average of the measurements.
Maximum wear = Maximum A, B, C
Cylinder taper = Maximum A
–
Minimum C
Out of specification
→
Replace.
Cylinder inside diameter:
66.005 ~ 66.015 mm
(2.5986 ~ 2.5990 in)
Cylinder inside diameter wear
limit:
66.020 mm (2.5992 in)
Cylinder taper limit:
0.05 mm (0.0020 in)
SVU3590
2. Measure:
•
Cylinder warpage
NOTE:
Measure the warpage on the contact surface
of the cylinder head at six points using a
straightedge and thickness gauge.
Out of specification
→
Resurface or
replace.
PISTON AND PISTON PIN INSPECTION
1. Measure:
•
Piston skirt diameter
P
a
= 10 mm (0.4 in) from the piston bottom edge
Out of specification
→
Replace.
Warpage limit:
0.05 mm (0.0020 in)
Piston skirt diameter:
65.975 ~ 65.990 mm
(2.5974 ~ 2.5980 in)
Wear limit:
65.9 mm (2.5945 in)
SVU3580J
SVU3590J
Summary of Contents for EF3000iSE - Inverter Generator - 3000 Maximum AC...
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