Weichai America Corp.
51
5)
Apply clean lubricating oil on the pushrod and ensure that the round head is applied with
sufficient oil.
6)
Install the pushrod by putting the pushrod into the valve tappet through the cylinder cover.
4.4.4
inspection and maintenance of tappet and push rod
1)
Clean the valve tappet and pushrod.
2)
Ensure that the oil channels of valve tappet and pushrod are smooth.
3)
Ensure that the pushrod is not crooked. Check wear condition on the outside surface.
4)
Ensure that the two ends of the pushrod are not worn.
5)
Ensure that the valve tappet surface and undersurface are not worn.
6)
Ensure that the valve tappet inner socket head is not worn.
4.5
valve assembly and disassembly
4.5.1
Exploded view of valves
Pos.
Name
Pos.
Name
Pos.
Name
1
Valve collet
4
Intake valve
7
Valve seat
2
Valve spring
5
Exhaust
valve
8
Valve spring
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