WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM Weichai America Corp. Fig. 10- 4 Exploded view of piston nozzle 10.4.2 Steps to disassemble piston nozzle. ① Remove the hexagon bolt (key point 1) ② Remove the piston nozzle (key point 2) 10.4.3 Steps to assemble piston nozzle Assembling steps are contrary to disassembling ones. 10.4.4 Inspection and maintenance of piston nozzle. Key point 1: Assembling: (1) Compress nozzle module tightly with bolt (with spring washer) and pressing plate; (2) Place the pressing plate in nozzle end face groove. (3) Bolts tightening Key point 2: Inspection: Check O-shape seal ring for damage; make sure the nozzle is clean and free of burr.
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