WEICHAI WD10 Service Manual - 45  Valve Mechanism

Service Manual for WD10 Diesel Engine

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45  Valve Mechanism 

451  Disassembly and Assembly of Valve Mechanism 

4511  Exploded View of Valve Mechanism 

Hexagon screw

Upper valve spring seat

Valve lock clamp

Valve inner spring

Valve outer spring

Lower valve spring seat

Camshaft

Camshaft timing gear

Thrust plate

Hexagon bolt

Rocker shaft

Supporting arm

Exhaust rocker

Adjusting nut

Adjusting bolt assembly

Adjusting screw

Valve cap

Pushrod

Tappet

Bowl shape plug

Adjusting nut

Intake rocker

Adjusting screw

Valve

Locating pin

Hexagon bolt

Fig. 4-41 Exploded view of valve mechanism 

4512  Steps to Disassemble Valve Mechanism

(1)  Remove rocker and rocker shaft, refer to disassembly of rocker and rocker shaft for details; 

(2)  Remove intake and exhaust valves, refer to disassembly of valves for details; 

(3)  Remove valve tappet and pushrod, refer to disassembly of valve tappet and pushrod for details; 

(4)  Remove  camshaft  and  camshaft  timing  gear,  refer  to  disassembly  of  camshaft  and  camshaft 

timing gear for details; 

(5)  Remove intermediate gear, refer to disassembly of intermediate gear for details. 

4513  Steps to Assemble Valve Mechanism

(1)  Install intermediate gear, refer to assembly of intermediate gear for details. 

(2)  Assemble  camshaft  and  camshaft  timing  gear,  refer  to  assembly  of  camshaft  and  camshaft 

timing gear for details;