Weichai America Corp.
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and exhaust valve into cylinder cover, ensure the valve can slide smoothly in valve guide
pipe;
NOTICE: Check and ensure spring in valve rod seal cartridge is in good condition before
assembling.
2. Install valve inner and outer spring;
3. Assemble upper valve spring seat, depress the springs and install valve lock clamp;
4. Knock the valve with rubber hammer to settle the lock clamp, if the valve lock clamp or upper
valve spring seat cannot be settled, please find out the cause and eliminate it.
4.5.4 Inspection and maintenance of valve
1. Check whether valve rod and its end faces are worn;
2. Check whether valve conical surface is worn or damaged;
3. Check valve conical surface and retainer end faces for carbon deposit;
4.6 Rocker and Rocker Shaft Assembly and Disassembly
4.6.1 Rocker and Rocker Shaft Exploded View
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