39
Bushing replacement
Removal : Use a brass bar and a bench press
Installation : Use a brass bar and a bench press. The
connecting rod busing oil port must be
aligned with the connecting rod oil port.
After new bushing installation, ream the bushing
inside diameter with a pin hole grinder or a reamer to
fit the piston pin.
Connecting rod bearing
Bearing spread
Bearing tension
1. Fit the connecting rod bearing lower half into the
connecting rod bearing cap.
2. Check the connecting rod bearing lower half
tension.
If the tension is insufficient, the bearing must be
replaced.
3. Reassemble the connecting rod and bearing cap.
Reamer
Pin hole grinder
2.3.12. Crankshaft and Bearing
¡¡
‹
Crankshaft and bearing inspection
1. Inspect the crankshaft journal and pin surfaces for
excessive wear and damage.
2. Inspect the oil seal fitting surfaces of the crankshaft
front and rear ends for excessive wear and damage.
3. Replace or repair the crankshaft if any excessive
wear or damage is found.
4. Inspect the crankshaft oil ports for obstructions.
5. Use high pressure air to clean the oil ports if necessary.
Bench press
Brass bar
Standard (mm)
68.00¡›68.01
(2.677~2.678 in)
To Next Page
Loading...
Need help?
General
