WEICHAI WD10 Service Manual - page 72
of
163
Service Manual for WD10 Diesel Engine
62
437 Disassembly, Inspection, Maintenance and Assembly of Piston Nozzle
4371 Exploded View of Piston Nozzle
Elastic
cylindrical pin
Nozzle assembly
Seal gasket
Hollow bolt
Fig. 4-29 Exploded view of piston nozzle
4372 Steps to Disassemble Piston Nozzle
(1) Remove the hollow bolt (key point 1);
(2) Remove nozzle assembly;
(3) Remove elastic cylindrical pin (key point 2).
4373 Inspection and Maintenance of Piston Nozzle
Key point 1:
Assembling:
Tightening torque for hollow bolts
Tightening torque
20~30Nm
Key point 2:
Assembling:
Check the locating pin for damage and replace it if necessary. Align the pin to pin hole on engine
block and knock nozzle body gently with copper hammer to fully fit the pin.