Weichai America Corp.
54
2.
Apply clean lubricating oil to the valve tappet;
3.
Place the valve tappet into the tappet hole;
4.
After the cylinder head is assembled (see assembly steps of cylinder head), blow the push rod
clean with compressed air, and then check if the oil hole is smooth;
5.
Apply clean lubricating oil to the push rod, and ensure that the ball head and socket of push
rod are sufficiently lubricated;
6.
Install the push rod into position.
4.4.5 Inspection and repair of tappet and push rod
Key point 1:
Inspection
1) Clean the valve tappet and push rod;
2) Check if the oil passage of valve tappet and push rod is smooth;
3) Check the push rod for bending and the external surface for wear;
4) Check the ball head and socket of push rod for wear;
5) Check the surface and bottom of tappet for wear;
6) Check the internal socket of the valve tappet for wear.
Key point 2:
Assembly
1) Apply clean lubricating oil to the valve tappet;
2) Apply clean lubricating oil to the push rod, and ensure that the ball head and socket of push
rod are sufficiently lubricated;
4.5
Disassembly and assembly of valve
4.5.1 Exploded view of valve
WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM
GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM