13-11
• CRANKSHAFT MAIN JOURNAL O.D.
• CRANKSHAFT JOURNAL (MAIN, PIN)
ROUNDNESS
Measure the crankshaft main journal O.D. and the crank pin
O.D. in the A and B directions. Calculate the gap between the
measurements to determine the roundness.
• CRANK PIN JOURNAL O.D.
STANDARD
SERVICE LIMIT
47.976 – 48.000 mm
(1.8888 – 1.8898 in)
• CONNECTING ROD BIG END AXIAL CLEARANCE
STANDARD
SERVICE LIMIT
0.15 – 0.35 mm
0.4 mm
(0.006 – 0.014 in)
(0.02 in)
STANDARD
SERVICE LIMIT
0.005 mm (0.0002 in) Max.
0.010 mm (0.0004 in)
STANDARD
SERVICE LIMIT
0.005 mm (0.0002 in) Max.
0.010 mm (0.0004 in)
[1]
ROUNDNESS (Measure at
the center of the journal.)
[2]
ROUNDNESS:
[3]
CYLINDRICITY:
A
B
A
B
[4]
CYLINDRICITY (Measure at
both ends of the journal.)
[1]
CRANK PINS
[5]
NO.1 MAIN
JOURNAL
[1]
NO.2 MAIN
JOURNAL
[4]
NO.3 MAIN
JOURNAL
[2]
NO.4 MAIN
JOURNAL
[3]
NO.5 MAIN
JOURNAL
STANDARD
SERVICE LIMIT
No.1, 2, 4, 5,
54.984 – 54.992 mm
(2.1647 – 2.1650 in)
No.3
54.976 – 55.000 mm
(2.1644 – 2.1654 in)
• CRANKSHAFT JOURNAL (MAIN, PIN)
CILINDRICITY
Measure the crankshaft main journal O.D. and the crank pin
O.D. at the points A and B. Calculate the gap between the
measurements to determine the cylindricity.