WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. Fig. 9- 9 Exploded view of valve 9.6.2 Steps to disassemble valve ① Depress valve springs with vale spring compressor or valve overhead plier or other tools, take out valve lock clamp, upper valve spring seat and lower valve spring seat and valve springs orderly; ② Take valve out of valve seat. 9.6.3 Steps to assemble valve A valve with severe wear or carbon deposit or sintering should be replaced. Apply molybdenum disulfide cream on intake and exhaust valve rod, and then install intake 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. Revision: August 2019 45 GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM