ENG
INSPECTION AND REPAIR
5-33
PISTON PIN
1. Check:
•
Piston pin
Blue colour/Grooves ➔ Replace and
check lubrication system.
External diameter (pin):
21.991 ~ 22.000 mm
Clearance between piston pin and pin
seat on piston:
0.004 ~ 0.024 mm
<Limit>: 0.07 mm
2. Measure:
•
External diameter (a) of pin
Out of specification ➔ Replace.
3. Measure:
•
Clearance between piston pin and pin
seat
Out of specification ➔ Replace.
Clearance between piston pin and
piston =
Diameter of pin seat on piston (b) –
Diameter of pin (a)
CLUTCH
1. Inspect:
•
Clutch gear assy teeth
Cracks/Pitting (on edges):
Moderate ➔ Burr.
Accentuated ➔Replace clutch gear assy.
NOTE:
Pitting of the gear assy teeth causes irregular
functioning.
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